AXI AD9361

The AXI AD9361 IP core can be used to interface the AD9361 device. This documentation only covers the IP core and requires that one must be familiar with the device for a complete and better understanding.

More about the generic framework interfacing ADCs can be read in Generic AXI ADC, and interfacing DACs in Generic AXI DAC.

Features

• AXI Lite control/status interface

• PRBS monitoring

• Hardware and software DC filtering

• IQ correction

• Internal DDS

• Programmable line delays

• Receive and transmit loop back

• Supports both Altera and AMD Xilinx devices

Files

Name	Description
library/axi_ad9361/axi_ad9361.v	Verilog source for the AXI AD9361.
library/common/up_adc_common.v	Verilog source for the ADC Common regmap.
library/common/up_adc_channel.v	Verilog source for the ADC Channel regmap.
library/common/up_dac_common.v	Verilog source for the DAC Common regmap.
library/common/up_dac_channel.v	Verilog source for the DAC Channel regmap.

Block Diagram

Functional Description

The axi_ad9361 cores architecture contains:

• Interface module in either CMOS Dual Port Full Duplex or LVDS mode for Intel or AMD Xilinx devices.

• Receive module, which contains:

  • ADC channel processing modules, one for each channel

    • data processing modules ( DC Filter, IQ Correction and Data Format Control)

    • ADC PN Monitor for interface validation

    • ADC Channel register map

  • Delay Control and ADC Common register map

• Transmit module, which contains:

  • DAC channel processing modules, one for each channel

    • Different data generators (DDS, pattern, PRBS)

    • IQ Correction

    • DAC Channel register map

  • Delay Control and DAC Common register map

• TDD control module for TDD mode, see more information on the HDL support for AD9361 TDD mode wiki page.

• AXI control and status modules.

Device (AD9361) Interface Description

The IP supports both LVDS and CMOS Dual Port Full Duplex interfaces (configurable, see parameters section). It avoids all the programmable flavors of the device interface mess. The interface is in fact quite simple, in LVDS mode samples require two active clock edges and in CMOS mode a single edge. The samples are then delineated in-order using the FRAME signal. This is applicable to both DDR and SDR modes. There is a limitation though, the IP core does NOT support swapping of the data ports in CMOS mode. This option is left as a constraint. As an example the PZSDR projects uses SWAP on some boards based on the board layout.

Let’s consider the 2R2T configuration, each frame consists of 4 samples in each direction. In LVDS-DDR mode that is 8 clock edges (4 full clock cycles) identified by a frame pattern of 8’b11110000. The IP interface logic simply collects data on consecutive 8 edges and deframes using the FRAME signal and outputs the samples. The device does the same in the transmit direction. In CMOS mode, the same is done over 4 clock edges.

The interface also provides a single clock tree for the entire core. This clock uses a global buffer that has the minimum skew all across the die. On Altera devices, this is done via the PLL and because the LVDS cores do NOT support a serialization factor of 2, runs at half the interface clock frequency. On AMD Xilinx devices, this is done via the BUFG and the core and interface runs at the same clock frequency.

Altera

The core is tested to work only on Cyclone V Arrow SOC Kit. Since Altera does half-thought board designs that do not favor FMC bank allocations, we are incapable of validating the core on other devices.

AMD Xilinx

Alternative Clocking Methods

1. Using MMCM 2. Using BUFIO/BUFR

Alternative Use Models

1. Interface Logic Only 2. Disable DSP Functions 3. Removing AXI interface and Processor Control

Internal Interface Description

The main purpose of all (including this) ADI IP cores is to provide a common, well-defined internal interface within the FPGA. This interface consists of the following signals per channel.

ENABLE

The enable signal is strictly for software use and is controlled by the corresponding register bit. The core simply reflects the programmed bit as an output port. In ADI reference projects, this bit is used to activate the channel of interest. It is then used by the PACK/UNPACK cores to route the data based on total number of channels and the selected number of channels. As an example, AXI_AD9361 supports a total of 4 channels 16bits each. This corresponds to a packed channel data width of 64bits. If software enables only two channels the packed 64bits of data is exclusively shared by the enabled 2 channels (each channel gets 32 bits of data).

VALID

The valid signal is sourced by the core to indicate a valid sample on the DATA port. In the receive (ADC) direction this indicates a valid sample and in the transmit (DAC) direction this indicates the current sample is being read by the core. The valid is simply a ‘reflective’ of the ‘sampling rate’. Note that he cores always run at the interface clock. This is to avoid any customized clock handling or transfer within this core. However in many cases interface clock may not be the sampling clock. As an example for AD9361 the interface clock is 244Mhz for a sampling clock of 61MHz. That is each channel’s sampling rate is 61MHz. This translates into the VALID signal being asserted once every 4 clocks. In cores where sampling rate is same as the interface clock, VALID is always asserted and may be safely ignored.

A common interpretation of this is that all channels has the same VALID behavior. This is NOT necessarily true. A majority of use cases may have this as a result of data path equivalency. However, if software decides to enable/disable functions differently among channels, the VALID signals of those channels will NOT be the same.

DATA

The DATA is the raw Analog samples. It follows two simple rules.

1. The samples are always 16bits, regardless of the ADC/DAC data width. That is the source or destination is intended to handle samples as 16bits. In the transmit direction, if the DAC data width is less than 16bits, the most significant bits are used. In the receive direction, if the ADC data width is less than 16bits, the most significant bits are sign extended. This allows the same source or destination portable across different ADC/DAC data widths. In other words, if the source is generating a 16bits tone the signal appears the same across a 12bit, 14bit or 16bit DAC with only the corresponding amplitude change. The source can thus be independent of the number of bits supported by DAC. In the receive direction, the samples are sign extended. Thus the destination always receives a 16bit sample with different amplitude levels corresponding to the number of bits supported by the ADC. This may seem to break the symmetry rule, but in most DSP functions the samples are rounded up towards the MSB as only precision is allowed to lost or gained at the expense of the LSB bits. The MSB bits retains all the physical nature of the signal.

2. The DATA is received and transmitted with most significant sample “newest” regardless of the channel width. In other words the most significant sample is the “newest” sample. If the total channel width is 64bits, it carries 4 samples (16bits) per clock. If we were to name these samples as S3 (bits 63 down to 48), S2 (bits 47 down to 32), S1 (bits 31 down to 16) and S0 (bits 15 down to 0), the following is true. In the transmit direction, S0 is sent first and S3 is sent last to the DAC. The analog samples are S0, S1, S2 and S3 across time with S0 being the oldest and S3 being the newest sample. In the receive direction, S0 carries the oldest sample received and S3 carries the newest sample from the ADC.

Configuration Parameters

Name	Description	Default Value	Choices/Range
ID	Core ID should be unique for each IP in the system	0
MODE_1R1T	Used to select between 2RX2TX (0) and 1RX1TX (1) mode.	0
FPGA_TECHNOLOGY	Used to select between devices	0	Unknown (0), 7series (1), ultrascale (2), ultrascale+ (3), versal (4)
FPGA_FAMILY	Fpga Family.	0	Unknown (0), artix (1), kintex (2), virtex (3), zynq (4), versalprime (5), versalaicore (6), versalpremium (7)
SPEED_GRADE	Speed Grade.	0	Unknown (0), -1 (10), -1L (11), -1H (12), -1HV (13), -1LV (14), -2 (20), -2L (21), -2LV (22), -2MP (23), -2LVC (24), -2LVI (25), -3 (30)
DEV_PACKAGE	Dev Package.	0	Unknown (0), rf (1), fl (2), ff (3), fb (4), hc (5), fh (6), cs (7), cp (8), ft (9), fg (10), sb (11), rb (12), rs (13), cl (14), sf (15), ba (16), fa (17), fs (18), fi (19), vs (20), ls (21)
TDD_DISABLE	Setting this parameter the TDD control will not be implemented in the core.	0
PPS_RECEIVER_ENABLE	Pps Receiver Enable.	0
CMOS_OR_LVDS_N	Defines the physical interface type, set 1 for CMOS and 0 for LVDS	0
ADC_INIT_DELAY	Adc Init Delay.	0
ADC_DATAPATH_DISABLE	If set, the data path processing logic is not generated in the RX path, and the raw data is pushed directly to the DMA interface.	0
ADC_USERPORTS_DISABLE	Disable the User Control ports in receive path.	0
ADC_DATAFORMAT_DISABLE	Disable the Data Format control module.	0
ADC_DCFILTER_DISABLE	Disable the DC Filter module.	0
ADC_IQCORRECTION_DISABLE	Disable the IQ Correction module in receive path.	0
DAC_INIT_DELAY	Dac Init Delay.	0
DAC_CLK_EDGE_SEL	Dac Clk Edge Sel.	0
DAC_IODELAY_ENABLE	Set IO_DELAY control in transmit path.	0
DAC_DATAPATH_DISABLE	If set, the data path processing logic is not generated in the TX path, and the raw data is pushed directly to the physical interface.	0
DAC_DDS_DISABLE	Disable the DDS modules in transmit path.	0
DAC_DDS_TYPE	Dac Dds Type.	1
DAC_DDS_PHASE_DW	Dac Dds Phase Dw.	16
DAC_DDS_CORDIC_DW	Dac Dds Cordic Dw.	14
DAC_DDS_CORDIC_PHASE_DW	Dac Dds Cordic Phase Dw.	13
DAC_USERPORTS_DISABLE	Disable the User Control ports in transmit path.	0
DAC_IQCORRECTION_DISABLE	Disable the IQ Correction module in transmit path.	0
IO_DELAY_GROUP	The delay group name which is set for the delay controller	dev_if_delay_group
IODELAY_CTRL	Iodelay Ctrl.	1
MIMO_ENABLE	Mimo Enable.	0
USE_SSI_CLK	Use Ssi Clk.	1
DELAY_REFCLK_FREQUENCY	Delay Refclk Frequency.	200
RX_NODPA	Rx Nodpa.	0

Interface

s_axi

Standard AXI Slave Memory Map interface

Physical Port	Logical Port	Direction	Dependency
s_axi_awaddr	AWADDR	in [15:0]
s_axi_awprot	AWPROT	in [2:0]
s_axi_awvalid	AWVALID	in
s_axi_awready	AWREADY	out
s_axi_wdata	WDATA	in [31:0]
s_axi_wstrb	WSTRB	in [3:0]
s_axi_wvalid	WVALID	in
s_axi_wready	WREADY	out
s_axi_bresp	BRESP	out [1:0]
s_axi_bvalid	BVALID	out
s_axi_bready	BREADY	in
s_axi_araddr	ARADDR	in [15:0]
s_axi_arprot	ARPROT	in [2:0]
s_axi_arvalid	ARVALID	in
s_axi_arready	ARREADY	out
s_axi_rdata	RDATA	out [31:0]
s_axi_rresp	RRESP	out [1:0]
s_axi_rvalid	RVALID	out
s_axi_rready	RREADY	in

s_axi_aclk

Physical Port	Logical Port	Direction	Dependency
s_axi_aclk	CLK	in

s_axi_aresetn

Physical Port	Logical Port	Direction	Dependency
s_axi_aresetn	RST	in

clk

Must be driven by l_clk

Physical Port	Logical Port	Direction	Dependency
clk	CLK	in

l_clk

This clock should be used for further data processing

Physical Port	Logical Port	Direction	Dependency
l_clk	CLK	out

delay_clk

Delay clock input for IO_DELAY control, 200 MHz (7 series) or 300 MHz (Ultrascale)

Physical Port	Logical Port	Direction	Dependency
delay_clk	CLK	in

rst

Core reset signal

Physical Port	Logical Port	Direction	Dependency
rst	RST	out

gps_pps_irq

Physical Port	Logical Port	Direction	Dependency
gps_pps_irq	INTERRUPT	out

Ports

Physical Port	Direction	Dependency	Description
rx_clk_in_p	in	CMOS_OR_LVDS_N == 0	LVDS input clock
rx_clk_in_n	in	CMOS_OR_LVDS_N == 0	LVDS input clock
rx_frame_in_p	in	CMOS_OR_LVDS_N == 0	LVDS input frame signal
rx_frame_in_n	in	CMOS_OR_LVDS_N == 0	LVDS input frame signal
rx_data_in_p	in [5:0]	CMOS_OR_LVDS_N == 0	LVDS input data lines
rx_data_in_n	in [5:0]	CMOS_OR_LVDS_N == 0	LVDS input data lines
rx_clk_in	in	CMOS_OR_LVDS_N == 1	CMOS input clock
rx_frame_in	in	CMOS_OR_LVDS_N == 1	CMOS input frame signal
rx_data_in	in [11:0]	CMOS_OR_LVDS_N == 1	CMOS input data lines
tx_clk_out_p	out	CMOS_OR_LVDS_N == 0	LVDS output clock
tx_clk_out_n	out	CMOS_OR_LVDS_N == 0	LVDS output clock
tx_frame_out_p	out	CMOS_OR_LVDS_N == 0	LVDS output frame signal
tx_frame_out_n	out	CMOS_OR_LVDS_N == 0	LVDS output frame signal
tx_data_out_p	out [5:0]	CMOS_OR_LVDS_N == 0	LVDS output data lines
tx_data_out_n	out [5:0]	CMOS_OR_LVDS_N == 0	LVDS output data lines
tx_clk_out	out	CMOS_OR_LVDS_N == 1	CMOS output clock
tx_frame_out	out	CMOS_OR_LVDS_N == 1	CMOS output frame signal
tx_data_out	out [11:0]	CMOS_OR_LVDS_N == 1	CMOS output data lines
enable	out		ENSM control signal, see User Guide for more information
txnrx	out		ENSM control signal, see User Guide for more information
dac_sync_in	in		Synchronization signal of the transmit path for slave devices (ID>0)
dac_sync_out	out		Synchronization signal of the transmit path for master device (ID==0)
tdd_sync	in		SYNC input for frame synchronization in TDD mode
tdd_sync_cntr	out		SYNC output for frame synchronization in TDD mode
gps_pps	in
adc_dovf	in		Data overflow, must be connected to the DMA
adc_r1_mode	out		If set, core is functioning in single channel mode (one I/Q pair)
dac_dunf	in		Data underflow, must be connected to the DMA
dac_r1_mode	out		If set, core is functioning in single channel mode (one I/Q pair)
up_enable	in		GPI control of the ENABLE line in TDD mode, when HDL TDD control is DISABLED
up_txnrx	in		GPI control of the TXNRX line in TDD mode, when HDL TDD control is DISABLED
up_dac_gpio_in	in [31:0]		GPI ports connected to the AXI memory map for custom use
up_dac_gpio_out	out [31:0]		GPI ports connected to the AXI memory map for custom use
up_adc_gpio_in	in [31:0]		GPI ports connected to the AXI memory map for custom use
up_adc_gpio_out	out [31:0]		GPO ports connected to the AXI memory map for custom use
adc_enable_i*	out		If set, the channel is enabled (one for each channel)
adc_valid_i*	out		Indicates valid data at the current channel (one for each channel)
adc_data_i*	out [15:0]		Received data output (one for each channel)
adc_enable_q*	out		If set, the channel is enabled (one for each channel)
adc_valid_q*	out		Indicates valid data at the current channel (one for each channel)
adc_data_q*	out [15:0]		Received data output (one for each channel)
dac_enable_i*	out		If set, the channel is enabled (one for each channel)
dac_valid_i*	out		Indicates valid data request at the current channel (one for each channel)
dac_data_i*	in [15:0]		Transmitted data output (one for each channel)
dac_enable_q*	out		If set, the channel is enabled (one for each channel)
dac_valid_q*	out		Indicates valid data request at the current channel (one for each channel)
dac_data_q*	in [15:0]		Transmitted data output (one for each channel)

Register Map

The register map of the core contains instances of several generic register maps like ADC common, ADC channel, DAC common, DAC channel etc. The following table presents the base addresses of each instance, after that can be found the detailed description of each generic register map. The absolute address of a register should be calculated by adding the instance base address to the registers relative address.

Register Map base addresses for axi_ad9361

DWORD	BYTE	Name	Description
0x0000	0x0000	BASE	See the Base table for more details.
0x0000	0x0000	RX COMMON	See the ADC Common table for more details.
0x0000	0x0000	RX CHANNELS	See the ADC Channel table for more details.
0x1000	0x4000	TX COMMON	See the DAC Common table for more details.
0x1000	0x4000	TX CHANNELS	See the DAC Channel table for more details.
0x2000	0x8000	TDD CONTROL	See the Transceiver TDD Control table for more details.

Base (common to all cores) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x0	0x0	VERSION				Version and Scratch Registers
		[31:0]	VERSION	RO	0x00000000	Version number. Unique to all cores.
0x1	0x4	ID				Version and Scratch Registers
		[31:0]	ID	RO	0x00000000	Instance identifier number.
0x2	0x8	SCRATCH				Version and Scratch Registers
		[31:0]	SCRATCH	RW	0x00000000	Scratch register.
0x3	0xc	CONFIG				Version and Scratch Registers
		[0:0]	IQCORRECTION_DISABLE	RO	0x0	If set, indicates that the IQ Correction module was not implemented. (as a result of a configuration of the IP instance)
		[1:1]	DCFILTER_DISABLE	RO	0x0	If set, indicates that the DC Filter module was not implemented. (as a result of a configuration of the IP instance)
		[2:2]	DATAFORMAT_DISABLE	RO	0x0	If set, indicates that the Data Format module was not implemented. (as a result of a configuration of the IP instance)
		[3:3]	USERPORTS_DISABLE	RO	0x0	If set, indicates that the logic related to the User Data Format (e.g. decimation) was not implemented. (as a result of a configuration of the IP instance)
		[4:4]	MODE_1R1T	RO	0x0	If set, indicates that the core was implemented in 1 channel mode. (e.g. refer to AD9361 data sheet)
		[5:5]	DELAY_CONTROL_DISABLE	RO	0x0	If set, indicates that the delay control is disabled for this IP. (as a result of a configuration of the IP instance)
		[6:6]	DDS_DISABLE	RO	0x0	If set, indicates that the DDS is disabled for this IP. (as a result of a configuration of the IP instance)
		[7:7]	CMOS_OR_LVDS_N	RO	0x0	CMOS or LVDS mode is used for the interface. (as a result of a configuration of the IP instance)
		[8:8]	PPS_RECEIVER_ENABLE	RO	0x0	If set, indicates the PPS receiver is enabled. (as a result of a configuration of the IP instance)
		[9:9]	SCALECORRECTION_ONLY	RO	0x0	If set, indicates that the IQ Correction module implements only scale correction. IQ correction must be enabled. (as a result of a configuration of the IP instance)
		[12:12]	EXT_SYNC	RO	0x0	If set the transport layer cores (ADC/DAC) have implemented the support for external synchronization signal.
		[13:13]	RD_RAW_DATA	RO	0x0	If set, the ADC has the capability to read raw data in register CHAN_RAW_DATA from adc_channel.
0x4	0x10	PPS_IRQ_MASK				PPS Interrupt mask
		[0:0]	PPS_IRQ_MASK	RW	0x1	Mask bit for the 1PPS receiver interrupt
0x7	0x1c	FPGA_INFO				FPGA device information library/scripts/adi_intel_device_info_enc.tcl (Intel encoded values) library/scripts/adi_xilinx_device_info_enc.tcl (Xilinx encoded values)
		[31:24]	FPGA_TECHNOLOGY	RO	0x00	Encoded value describing the technology/generation of the FPGA device (arria 10/7series)
		[23:16]	FPGA_FAMILY	RO	0x00	Encoded value describing the family variant of the FPGA device(e.g., SX, GX, GT or zynq, kintex, virtex)
		[15:8]	SPEED_GRADE	RO	0x00	Encoded value describing the FPGA’s speed-grade
		[7:0]	DEV_PACKAGE	RO	0x00	Encoded value describing the device package. The package might affect high-speed interfaces

ADC Common (axi_ad*) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x10	0x40	RSTN				ADC Interface Control & Status
		[2:2]	CE_N	RW	0x0	Clock enable, default is enabled(0x0). An inverse version of the signal is exported out of the module to control clock enables
		[1:1]	MMCM_RSTN	RW	0x0	MMCM reset only (required for DRP access). Reset, default is IN-RESET (0x0), software must write 0x1 to bring up the core.
		[0:0]	RSTN	RW	0x0	Reset, default is IN-RESET (0x0), software must write 0x1 to bring up the core.
0x11	0x44	CNTRL				ADC Interface Control & Status
		[16:16]	SDR_DDR_N	RW	0x0	Interface type (1 represents SDR, 0 represents DDR)
		[15:15]	SYMB_OP	RW	0x0	Select symbol data format mode (0x1)
		[14:14]	SYMB_8_16B	RW	0x0	Select number of bits for symbol format mode (1 represents 8b, 0 represents 16b)
		[12:8]	NUM_LANES	RW	0x00	Number of active lanes (1 : CSSI 1-lane, LSSI 1-lane, 2 : LSSI 2-lane, 4 : CSSI 4-lane). For AD7768, AD7768-4 and AD777x number of active lanes : 1/2/4/8 where supported.
		[3:3]	SYNC	RW	0x0	Initialize synchronization between multiple ADCs
		[2:2]	R1_MODE	RW	0x0	Select number of RF channels 1 (0x1) or 2 (0x0).
		[1:1]	DDR_EDGESEL	RW	0x0	Select rising edge (0x0) or falling edge (0x1) for the first part of a sample (if applicable) followed by the successive edges for the remaining parts. This only controls how the sample is delineated from the incoming data post DDR registers.
		[0:0]	PIN_MODE	RW	0x0	Select interface pin mode to be clock multiplexed (0x1) or pin multiplexed (0x0). In clock multiplexed mode, samples are received on alternative clock edges. In pin multiplexed mode, samples are interleaved or grouped on the pins at the same clock edge.
0x12	0x48	CNTRL_2				ADC Interface Control & Status
		[1:1]	EXT_SYNC_ARM	RW	0x0	Setting this bit will arm the trigger mechanism sensitive to an external sync signal. Once the external sync signal goes high it synchronizes channels within a ADC, and across multiple instances. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
		[2:2]	EXT_SYNC_DISARM	RW	0x0	Setting this bit will disarm the trigger mechanism sensitive to an external sync signal. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
		[8:8]	MANUAL_SYNC_REQUEST	RW	0x0	Setting this bit will issue an external sync event if it is hooked up inside the fabric. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
0x13	0x4c	CNTRL_3				ADC Interface Control & Status
		[8:8]	CRC_EN	RW	0x0	Setting this bit will enable the CRC generation.
		[7:0]	CUSTOM_CONTROL	RW	0x00	Select output format decode mode.(for ADAQ8092: bit 0 - enables digital output randomizer decode , bit 1 - enables alternate bit polarity decode).
0x15	0x54	CLK_FREQ				ADC Interface Control & Status
		[31:0]	CLK_FREQ	RO	0x00000000	Interface clock frequency. This is relative to the processor clock and in many cases is 100MHz. The number is represented as unsigned 16.16 format. Assuming a 100MHz processor clock the minimum is 1.523kHz and maximum is 6.554THz. The actual interface clock is CLK_FREQ * CLK_RATIO (see below). Note that the actual sampling clock may not be the same as the interface clock- software must consider device specific implementation parameters to calculate the final sampling clock.
0x16	0x58	CLK_RATIO				ADC Interface Control & Status
		[31:0]	CLK_RATIO	RO	0x00000000	Interface clock ratio - as a factor actual received clock. This is implementation specific and depends on any serial to parallel conversion and interface type (ddr/sdr/qdr).
0x17	0x5c	STATUS				ADC Interface Control & Status
		[4:4]	ADC_CTRL_STATUS	RO	0x0	If set, indicates that the device’​s register data is available on the data bus.
		[3:3]	PN_ERR	RO	0x0	If set, indicates pn error in one or more channels.
		[2:2]	PN_OOS	RO	0x0	If set, indicates pn oos in one or more channels.
		[1:1]	OVER_RANGE	RO	0x0	If set, indicates over range in one or more channels.
		[0:0]	STATUS	RO	0x0	Interface status, if set indicates no errors. If not set, there are errors, software may try resetting the cores.
0x18	0x60	DELAY_CNTRL				ADC Interface Control & Status(Deprecated from version 9)
		[17:17]	DELAY_SEL	RW	0x0	Delay select, a 0x0 to 0x1 transition in this register initiates a delay access controlled by the registers below.
		[16:16]	DELAY_RWN	RW	0x0	Delay read (0x1) or write (0x0), the delay is accessed directly (no increment or decrement) with an address corresponding to each pin, and data corresponding to the total delay.
		[15:8]	DELAY_ADDRESS	RW	0x00	Delay address, the range depends on the interface pins, data pins are usually at the lower range.
		[4:0]	DELAY_WDATA	RW	0x00	Delay write data, a value of 1 corresponds to (1/200)ns for most devices.
0x19	0x64	DELAY_STATUS				ADC Interface Control & Status(Deprecated from version 9)
		[9:9]	DELAY_LOCKED	RO	0x0	Indicates delay locked (0x1) state. If this bit is read 0x0, delay control has failed to calibrate the elements.
		[8:8]	DELAY_STATUS	RO	0x0	If set, indicates busy status (access pending). The read data may not be valid if this bit is set.
		[4:0]	DELAY_RDATA	RO	0x00	Delay read data, current delay value in the elements
0x1a	0x68	SYNC_STATUS				ADC Synchronization Status register
		[0:0]	ADC_SYNC	RO	0x0	ADC synchronization status. Will be set to 1 after the synchronization has been completed or while waiting for the synchronization signal in JESD204 systems.
0x1c	0x70	DRP_CNTRL				ADC Interface Control & Status
		[28:28]	DRP_RWN	RW	0x0	DRP read (0x1) or write (0x0) select (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[27:16]	DRP_ADDRESS	RW	0x000	DRP address, designs that contain more than one DRP accessible primitives have selects based on the most significant bits (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[15:0]	RESERVED	RO	0x0000	Reserved for backward compatibility.
0x1d	0x74	DRP_STATUS				ADC Interface Control & Status
		[17:17]	DRP_LOCKED	RO	0x0	If set indicates that the DRP has been locked.
		[16:16]	DRP_STATUS	RO	0x0	If set indicates busy (access pending). The read data may not be valid if this bit is set (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[15:0]	RESERVED	RO	0x0000	Reserved for backward compatibility.
0x1e	0x78	DRP_WDATA				ADC DRP Write Data
		[15:0]	DRP_WDATA	RW	0x0000	DRP write data (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
0x1f	0x7c	DRP_RDATA				ADC DRP Read Data
		[15:0]	DRP_RDATA	RO	0x0000	DRP read data (does not include GTX lanes).
0x20	0x80	ADC_CONFIG_WR				ADC Write Configuration ​Data
		[31:0]	ADC_CONFIG_WR	RW	0x00000000	Custom ​Write to the available registers.
0x21	0x84	ADC_CONFIG_RD				ADC Read Configuration ​Data
		[31:0]	ADC_CONFIG_RD	RO	0x00000000	Custom read of the available registers.
0x22	0x88	UI_STATUS				User Interface Status
		[2:2]	UI_OVF	RW1C	0x0	User Interface overflow. If set, indicates an overflow occurred during data transfer at the user interface (FIFO interface). Software must write a 0x1 to clear this register bit.
		[1:1]	UI_UNF	RW1C	0x0	User Interface underflow. If set, indicates an underflow occurred during data transfer at the user interface (FIFO interface). Software must write a 0x1 to clear this register bit.
		[0:0]	UI_RESERVED	RW1C	0x0	Reserved for backward compatibility.
0x23	0x8c	ADC_CONFIG_CTRL				ADC RD/WR configuration
		[31:0]	ADC_CONFIG_CTRL	RW	0x00000000	Control RD/WR requests to the device’​s register map: bit 1 - RD (‘b1) , WR (‘b0), bit 0 - enable WR/RD operation.
0x28	0xa0	USR_CNTRL_1				ADC Interface Control & Status
		[7:0]	USR_CHANMAX	RW	0x00	This indicates the maximum number of inputs for the channel data multiplexers. User may add different processing modules post data capture as another input to this common multiplexer. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x29	0xa4	ADC_START_CODE				ADC Synchronization start word
		[31:0]	ADC_START_CODE	RW	0x00000000	This sets the startcode that is used by the ADCs for synchronization NOT-APPLICABLE if START_CODE_DISABLE is set (0x1).
0x2e	0xb8	ADC_GPIO_IN				ADC GPIO inputs
		[31:0]	ADC_GPIO_IN	RO	0x00000000	This reads auxiliary GPI pins of the ADC core
0x2f	0xbc	ADC_GPIO_OUT				ADC GPIO outputs
		[31:0]	ADC_GPIO_OUT	RW	0x00000000	This controls auxiliary GPO pins of the ADC core NOT-APPLICABLE if GPIO_DISABLE is set (0x1).
0x30	0xc0	PPS_COUNTER				PPS Counter register
		[31:0]	PPS_COUNTER	RO	0x00000000	Counts the core clock cycles (can be a device clock or interface clock) between two 1PPS pulse.
0x31	0xc4	PPS_STATUS				PPS Status register
		[0:0]	PPS_STATUS	RO	0x0	If this bit is asserted there is no incomming 1PPS signal. Maybe the source is out of sync or it’s not active.

ADC Channel (axi_ad*) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x100 + 0x16*n	0x400 + 0x58*n	CHAN_CNTRLn				ADC Interface Control & Status Where n is from 0 to 15.
		[11:11]	ADC_LB_OWR	RW	0x0	If set, forces ADC_DATA_SEL to 1, enabling data loopback
		[10:10]	ADC_PN_SEL_OWR	RW	0x0	If set, forces ADC_PN_SEL to 0x9, device specific pn (e.g. ad9361) If both ADC_PN_TYPE_OWR and ADC_PN_SEL_OWR are set, they are ignored
		[9:9]	IQCOR_ENB	RW	0x0	if set, enables IQ correction or scale correction. NOT-APPLICABLE if IQCORRECTION_DISABLE is set (0x1).
		[8:8]	DCFILT_ENB	RW	0x0	if set, enables DC filter (to disable DC offset, set offset value to 0x0). NOT-APPLICABLE if DCFILTER_DISABLE is set (0x1).
		[6:6]	FORMAT_SIGNEXT	RW	0x0	if set, enables sign extension (applicable only in 2’s complement mode). The data is always sign extended to the nearest byte boundary. NOT-APPLICABLE if DATAFORMAT_DISABLE is set (0x1).
		[5:5]	FORMAT_TYPE	RW	0x0	Select offset binary (0x1) or 2’s complement (0x0) data type. This sets the incoming data type and is required by the post processing modules for any data conversion. NOT-APPLICABLE if DATAFORMAT_DISABLE is set (0x1).
		[4:4]	FORMAT_ENABLE	RW	0x0	Enable data format conversion (see register bits above). NOT-APPLICABLE if DATAFORMAT_DISABLE is set (0x1).
		[3:3]	RESERVED	RO	0x0	Reserved for backward compatibility.
		[2:2]	RESERVED	RO	0x0	Reserved for backward compatibility.
		[1:1]	ADC_PN_TYPE_OWR	RW	0x0	If set, forces ADC_PN_SEL to 0x1, modified pn23 If both ADC_PN_TYPE_OWR and ADC_PN_SEL_OWR are set, they are ignored
		[0:0]	ENABLE	RW	0x0	If set, enables channel. A 0x0 to 0x1 transition transfers all the control signals to the respective channel processing module. If a channel is part of a complex signal (I/Q), even channel is the master and the odd channel is the slave. Though a single control is used, both must be individually selected.
0x101 + 0x16*n	0x404 + 0x58*n	CHAN_STATUSn				ADC Interface Control & Status Where n is from 0 to 15.
		[12:12]	CRC_ERR	RW1C	0x0	CRC errors. If set, indicates CRC error. Software must first clear this bit before initiating a transfer and monitor afterwards.
		[11:4]	STATUS_HEADER	RO	0x00	The status header sent by the ADC.(compatible with AD7768/AD7768-4/AD777x).
		[2:2]	PN_ERR	RW1C	0x0	PN errors. If set, indicates spurious mismatches in sync state. This bit is cleared if OOS is set and is only indicates errors when OOS is cleared.
		[1:1]	PN_OOS	RW1C	0x0	PN Out Of Sync. If set, indicates an OOS status. OOS is set, if 64 consecutive patterns mismatch from the expected pattern. It is cleared, when 16 consecutive patterns match the expected pattern.
		[0:0]	OVER_RANGE	RW1C	0x0	If set, indicates over range. Note that over range is independent of the data path, it indicates an over range over a data transfer period. Software must first clear this bit before initiating a transfer and monitor afterwards.
0x102 + 0x16*n	0x408 + 0x58*n	CHAN_RAW_DATAn				ADC Raw Data Reading Where n is from 0 to 15.
		[31:0]	ADC_READ_DATA	RO	0x00000000	Raw data read from the ADC.
0x104 + 0x16*n	0x410 + 0x58*n	CHAN_CNTRLn_1				ADC Interface Control & Status Where n is from 0 to 15.
		[31:16]	DCFILT_OFFSET	RW	0x0000	DC removal (if equipped) offset. This is a 2’s complement number added to the incoming data to remove a known DC offset. NOT-APPLICABLE if DCFILTER_DISABLE is set (0x1).
		[15:0]	DCFILT_COEFF	RW	0x0000	DC removal filter (if equipped) coefficient. The format is 1.1.14 (sign, integer and fractional bits). NOT-APPLICABLE if DCFILTER_DISABLE is set (0x1).
0x105 + 0x16*n	0x414 + 0x58*n	CHAN_CNTRLn_2				ADC Interface Control & Status Where n is from 0 to 15.
		[31:16]	IQCOR_COEFF_1	RW	0x0000	IQ correction (if equipped) coefficient. If scale & offset is implemented, this is the scale value and the format is 1.1.14 (sign, integer and fractional bits). If matrix multiplication is used, this is the channel I coefficient and the format is 1.1.14 (sign, integer and fractional bits). If SCALECORRECTION_ONLY is set, this implements the scale value correction for the current channel with the format 1.1.14 (sign, integer and fractional bits). NOT-APPLICABLE if IQCORRECTION_DISABLE is set (0x1).
		[15:0]	IQCOR_COEFF_2	RW	0x0000	IQ correction (if equipped) coefficient. If scale & offset is implemented, this is the offset value and the format is 2’s complement. If matrix multiplication is used, this is the channel Q coefficient and the format is 1.1.14 (sign, integer and fractional bits). NOT-APPLICABLE if IQCORRECTION_DISABLE is set (0x1).
0x106 + 0x16*n	0x418 + 0x58*n	CHAN_CNTRLn_3				ADC Interface Control & Status Where n is from 0 to 15.
		[19:16]	ADC_PN_SEL	RW	0x0	Selects the PN monitor sequence type (available only if ADC supports it). 0x0: pn9a (device specific, modified pn9) 0x1: pn23a (device specific, modified pn23) 0x4: pn7 (standard O.150) 0x5: pn15 (standard O.150) 0x6: pn23 (standard O.150) 0x7: pn31 (standard O.150) 0x9: pnX (device specific, e.g. ad9361) 0x0A: Nibble ramp (Device specific e.g. adrv9001) 0x0B: 16 bit ramp (Device specific e.g. adrv9001)
		[3:0]	ADC_DATA_SEL	RW	0x0	Selects the data source to DMA. 0x0: input data (ADC) 0x1: loopback data (DAC)
0x108 + 0x16*n	0x420 + 0x58*n	CHAN_USR_CNTRLn_1				ADC Interface Control & Status Where n is from 0 to 15.
		[25:25]	USR_DATATYPE_BE	RO	0x0	The user data type format- if set, indicates big endian (default is little endian). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[24:24]	USR_DATATYPE_SIGNED	RO	0x0	The user data type format- if set, indicates signed (2’s complement) data (default is unsigned). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[23:16]	USR_DATATYPE_SHIFT	RO	0x00	The user data type format- the amount of right shift for actual samples within the total number of bits. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[15:8]	USR_DATATYPE_TOTAL_BITS	RO	0x00	The user data type format- number of total bits used for a sample. The total number of bits must be an integer multiple of 8 (byte aligned). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[7:0]	USR_DATATYPE_BITS	RO	0x00	The user data type format- number of bits in a sample. This indicates the actual sample data bits. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x109 + 0x16*n	0x424 + 0x58*n	CHAN_USR_CNTRLn_2				ADC Interface Control & Status Where n is from 0 to 15.
		[31:16]	USR_DECIMATION_M	RW	0x0000	This holds the user decimation M value of the channel that is currently being selected on the multiplexer above. The total decimation factor is of the form M/N. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[15:0]	USR_DECIMATION_N	RW	0x0000	This holds the user decimation N value of the channel that is currently being selected on the multiplexer above. The total decimation factor is of the form M/N. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x10a + 0x16*n	0x428 + 0x58*n	CHAN_CNTRLn_4				ADC Interface Control & Status Where n is from 0 to 15.
		[31:3]	RESERVED	RO	0x00000000	Reserved for backward compatibility.
		[2:0]	SOFTSPAN	RW	0x7	Softspan configuration register.

DAC Common (axi_ad) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x10	0x40	RSTN				DAC Interface Control & Status
		[2:2]	CE_N	RW	0x0	Clock enable, default is enabled(0x0). An inverse version of the signal is exported out of the module to control clock enables
		[1:1]	MMCM_RSTN	RW	0x0	MMCM reset only (required for DRP access). Reset, default is IN-RESET (0x0), software must write 0x1 to bring up the core.
		[0:0]	RSTN	RW	0x0	Reset, default is IN-RESET (0x0), software must write 0x1 to bring up the core.
0x11	0x44	CNTRL_1				DAC Interface Control & Status
		[0:0]	SYNC	RW	0x0	Setting this bit synchronizes channels within a DAC, and across multiple instances. This bit self clears.
		[1:1]	EXT_SYNC_ARM	RW	0x0	Setting this bit will arm the trigger mechanism sensitive to an external sync signal. Once the external sync signal goes high it synchronizes channels within a DAC, and across multiple instances. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
		[2:2]	EXT_SYNC_DISARM	RW	0x0	Setting this bit will disarm the trigger mechanism sensitive to an external sync signal. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
		[8:8]	MANUAL_SYNC_REQUEST	RW	0x0	Setting this bit will issue an external sync event if it is hooked up inside the fabric. This bit has an effect only the EXT_SYNC synthesis parameter is set. This bit self clears.
0x12	0x48	CNTRL_2				DAC Interface Control & Status
		[16:16]	SDR_DDR_N	RW	0x0	Interface type (1 represents SDR, 0 represents DDR)
		[15:15]	SYMB_OP	RW	0x0	Select data symbol format mode (0x1)
		[14:14]	SYMB_8_16B	RW	0x0	Select number of bits for symbol format mode (1 represents 8b, 0 represents 16b)
		[12:8]	NUM_LANES	RW	0x00	Number of active lanes (1 : CSSI 1-lane, LSSI 1-lane, 2 : LSSI 2-lane, 4 : CSSI 4-lane)
		[7:7]	PAR_TYPE	RW	0x0	Select parity even (0x0) or odd (0x1).
		[6:6]	PAR_ENB	RW	0x0	Select parity (0x1) or frame (0x0) mode.
		[5:5]	R1_MODE	RW	0x0	Select number of RF channels 1 (0x1) or 2 (0x0).
		[4:4]	DATA_FORMAT	RW	0x0	Select data format 2’s complement (0x0) or offset binary (0x1). NOT-APPLICABLE if DAC_DP_DISABLE is set (0x1).
		[3:0]	RESERVED	NA	0x0	Reserved
0x13	0x4c	RATECNTRL				DAC Interface Control & Status
		[7:0]	RATE	RW	0x00	The effective dac rate (the maximum possible rate is dependent on the interface clock). The samples are generated at 1/RATE of the interface clock.
0x14	0x50	FRAME				DAC Interface Control & Status
		[0:0]	FRAME	RW	0x0	The use of frame is device specific. Usually setting this bit to 1 generates a FRAME (1 DCI clock period) pulse on the interface. This bit self clears.
0x15	0x54	STATUS1				DAC Interface Control & Status
		[31:0]	CLK_FREQ	RO	0x00000000	Interface clock frequency. This is relative to the processor clock and in many cases is 100MHz. The number is represented as unsigned 16.16 format. Assuming a 100MHz processor clock the minimum is 1.523kHz and maximum is 6.554THz. The actual interface clock is CLK_FREQ * CLK_RATIO (see below). Note that the actual sampling clock may not be the same as the interface clock- software must consider device specific implementation parameters to calculate the final sampling clock.
0x16	0x58	STATUS2				DAC Interface Control & Status
		[31:0]	CLK_RATIO	RO	0x00000000	Interface clock ratio - as a factor actual received clock. This is implementation specific and depends on any serial to parallel conversion and interface type (ddr/sdr/qdr).
0x17	0x5c	STATUS3				DAC Interface Control & Status
		[0:0]	STATUS	RO	0x0	Interface status, if set indicates no errors. If not set, there are errors, software may try resetting the cores.
0x18	0x60	DAC_CLKSEL				DAC Interface Control & Status
		[0:0]	DAC_CLKSEL	RW	0x0	Allows changing of the clock polarity. Note: its default value is CLK_EDGE_SEL
0x1a	0x68	SYNC_STATUS				DAC Synchronization Status register
		[0:0]	DAC_SYNC_STATUS	RO	0x0	DAC synchronization status. Will be set to 1 while waiting for the external synchronization signal This bit has an effect only the EXT_SYNC synthesis parameter is set.
0x1c	0x70	DRP_CNTRL				DRP Control & Status
		[28:28]	DRP_RWN	RW	0x0	DRP read (0x1) or write (0x0) select (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[27:16]	DRP_ADDRESS	RW	0x000	DRP address, designs that contain more than one DRP accessible primitives have selects based on the most significant bits (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[15:0]	RESERVED	RO	0x0000	Reserved for backwards compatibility
0x1d	0x74	DRP_STATUS				DAC Interface Control & Status
		[17:17]	DRP_LOCKED	RO	0x0	If set indicates the MMCM/PLL is locked
		[16:16]	DRP_STATUS	RO	0x0	If set indicates busy (access pending). The read data may not be valid if this bit is set (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
		[15:0]	RESERVED	RO	0x0000	Reserved for backwards compatibility
0x1e	0x78	DRP_WDATA				DAC Interface Control & Status
		[15:0]	DRP_WDATA	RW	0x0000	DRP write data (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
0x1f	0x7c	DRP_RDATA				DAC Interface Control & Status
		[15:0]	DRP_RDATA	RO	0x0000	DRP read data (does not include GTX lanes). NOT-APPLICABLE if DRP_DISABLE is set (0x1).
0x20	0x80	DAC_CUSTOM_RD				DAC Read Configuration Data
		[31:0]	DAC_CUSTOM_RD	RO	0x00000000	Custom Read of the available registers.
0x21	0x84	DAC_CUSTOM_WR				DAC Write Configuration Data
		[31:0]	DAC_CUSTOM_WR	RW	0x00000000	Custom Write of the available registers.
0x22	0x88	UI_STATUS				User Interface Status
		[4:4]	IF_BUSY	RO	0x0	Interface busy. If set, indicates that the data interface is busy.
		[1:1]	UI_OVF	RW1C	0x0	User Interface overflow. If set, indicates an overflow occurred during data transfer at the user interface (FIFO interface). Software must write a 0x1 to clear this register bit.
		[0:0]	UI_UNF	RW1C	0x0	User Interface underflow. If set, indicates an underflow occurred during data transfer at the user interface (FIFO interface). Software must write a 0x1 to clear this register bit.
0x23	0x8c	DAC_CUSTOM_CTRL				DAC Control Configuration Data
		[31:0]	DAC_CUSTOM_CTRL	RW	0x00000000	Custom Control of the available registers.
0x28	0xa0	USR_CNTRL_1				DAC User Control & Status
		[7:0]	USR_CHANMAX	RW	0x00	This indicates the maximum number of inputs for the channel data multiplexers. User may add different processing modules as inputs to the dac. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x2e	0xb8	DAC_GPIO_IN				DAC GPIO inputs
		[31:0]	DAC_GPIO_IN	RO	0x00000000	This reads auxiliary GPI pins of the DAC core
0x2f	0xbc	DAC_GPIO_OUT				DAC GPIO outputs
		[31:0]	DAC_GPIO_OUT	RW	0x00000000	This controls auxiliary GPO pins of the DAC core NOT-APPLICABLE if GPIO_DISABLE is set (0x1).

DAC Channel (axi_ad*) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x100 + 0x16*n	0x400 + 0x58*n	CHAN_CNTRLn_1				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[21:16]	DDS_PHASE_DW	RO	0x00	The DDS phase data width offers the HDL parameter configuration with the same name. This information is used in conjunction with CHAN_CNTRL_9 and CHAN_CNTRL_10. More info at AD Direct Digital Synthesis.
		[15:0]	DDS_SCALE_1	RW	0x0000	The DDS scale for tone 1. Sets the amplitude of the tone. The format is 1.1.14 fixed point (signed, integer, fractional). The DDS in general runs on 16-bits, note that if you do use both channels and set both scale to 0x4000, it is over-range. The final output is (tone_1_fullscale * scale_1) + (tone_2_fullscale * scale_2). NOT-APPLICABLE if DDS_DISABLE is set (0x1).
0x101 + 0x16*n	0x404 + 0x58*n	CHAN_CNTRLn_2				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	DDS_INIT_1	RW	0x0000	The DDS phase initialization for tone 1. Sets the initial phase offset of the tone. NOT-APPLICABLE if DDS_DISABLE is set (0x1).
		[15:0]	DDS_INCR_1	RW	0x0000	Sets the frequency of the phase accumulator. Its value can be calculated by \(INCR = (f_{out} * 2^{16}) * clkratio / f_{if}\); where f_out is the generated output frequency, and f_if is the frequency of the digital interface, and clock_ratio is the ratio between the sampling clock and the interface clock. If DDS_PHASE_DW is greater than 16(from CHAN_CNTRL_1), the phase increment for tone 1 is extended in CHAN_CNTRL_9. NOT-APPLICABLE if DDS_DISABLE is set (0x1).
0x102 + 0x16*n	0x408 + 0x58*n	CHAN_CNTRLn_3				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[15:0]	DDS_SCALE_2	RW	0x0000	The DDS scale for tone 2. Sets the amplitude of the tone. The format is 1.1.14 fixed point (signed, integer, fractional). The DDS in general runs on 16-bits, note that if you do use both channels and set both scale to 0x4000, it is over-range. The final output is (tone_1_fullscale * scale_1) + (tone_2_fullscale * scale_2). NOT-APPLICABLE if DDS_DISABLE is set (0x1).
0x103 + 0x16*n	0x40c + 0x58*n	CHAN_CNTRLn_4				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	DDS_INIT_2	RW	0x0000	The DDS phase initialization for tone 2. Sets the initial phase offset of the tone. If DDS_PHASE_DW is greater than 16(from CHAN_CNTRL_1), the phase init for tone 2 is extended in CHAN_CNTRL_10. NOT-APPLICABLE if DDS_DISABLE is set (0x1).
		[15:0]	DDS_INCR_2	RW	0x0000	Sets the frequency of the phase accumulator. Its value can be calculated by \(INCR = (f_{out} * 2^{16}) * clkratio / f_{if}\); where f_out is the generated output frequency, and f_if is the frequency of the digital interface, and clock_ratio is the ratio between the sampling clock and the interface clock. If DDS_PHASE_DW is greater than 16(from CHAN_CNTRL_1), the phase increment for tone 2 is extended in CHAN_CNTRL_10. NOT-APPLICABLE if DDS_DISABLE is set (0x1).
0x104 + 0x16*n	0x410 + 0x58*n	CHAN_CNTRLn_5				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	DDS_PATT_2	RW	0x0000	The DDS data pattern for this channel.
		[15:0]	DDS_PATT_1	RW	0x0000	The DDS data pattern for this channel.
0x105 + 0x16*n	0x414 + 0x58*n	CHAN_CNTRLn_6				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[2:2]	IQCOR_ENB	RW	0x0	if set, enables IQ correction. NOT-APPLICABLE if DAC_DP_DISABLE is set (0x1).
		[1:1]	DAC_LB_OWR	RW	0x0	If set, forces DAC_DDS_SEL to 0x8, loopback If DAC_LB_OWR and DAC_PN_OWR are both set, they are ignored
		[0:0]	DAC_PN_OWR	RW	0x0	IF set, forces DAC_DDS_SEL to 0x09, device specific pnX If DAC_LB_OWR and DAC_PN_OWR are both set, they are ignored
0x106 + 0x16*n	0x418 + 0x58*n	CHAN_CNTRLn_7				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[3:0]	DAC_DDS_SEL	RW	0x0	Select internal data sources (available only if the DAC supports it). 0x00: internal tone (DDS) 0x01: pattern (SED) 0x02: input data (DMA) 0x03: 0x00 0x04: inverted pn7 0x05: inverted pn15 0x06: pn7 (standard O.150) 0x07: pn15 (standard O.150) 0x08: loopback data (ADC) 0x09: pnX (Device specific e.g. ad9361) 0x0A: Nibble ramp (Device specific e.g. adrv9001) 0x0B: 16 bit ramp (Device specific e.g. adrv9001)
0x107 + 0x16*n	0x41c + 0x58*n	CHAN_CNTRLn_8				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	IQCOR_COEFF_1	RW	0x0000	IQ correction (if equipped) coefficient. If scale & offset is implemented, this is the scale value and the format is 1.1.14 (sign, integer and fractional bits). If matrix multiplication is used, this is the channel I coefficient and the format is 1.1.14 (sign, integer and fractional bits). NOT-APPLICABLE if IQCORRECTION_DISABLE is set (0x1).
		[15:0]	IQCOR_COEFF_2	RW	0x0000	IQ correction (if equipped) coefficient. If scale & offset is implemented, this is the offset value and the format is 2’s complement. If matrix multiplication is used, this is the channel Q coefficient and the format is 1.1.14 (sign, integer and fractional bits). NOT-APPLICABLE if IQCORRECTION_DISABLE is set (0x1).
0x108 + 0x16*n	0x420 + 0x58*n	USR_CNTRLn_3				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[25:25]	USR_DATATYPE_BE	RW	0x0	The user data type format- if set, indicates big endian (default is little endian). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[24:24]	USR_DATATYPE_SIGNED	RW	0x0	The user data type format- if set, indicates signed (2’s complement) data (default is unsigned). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[23:16]	USR_DATATYPE_SHIFT	RW	0x00	The user data type format- the amount of right shift for actual samples within the total number of bits. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[15:8]	USR_DATATYPE_TOTAL_BITS	RW	0x00	The user data type format- number of total bits used for a sample. The total number of bits must be an integer multiple of 8 (byte aligned). NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[7:0]	USR_DATATYPE_BITS	RW	0x00	The user data type format- number of bits in a sample. This indicates the actual sample data bits. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x109 + 0x16*n	0x424 + 0x58*n	USR_CNTRLn_4				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	USR_INTERPOLATION_M	RW	0x0000	This holds the user interpolation M value of the channel that is currently being selected on the multiplexer above. The total interpolation factor is of the form M/N. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
		[15:0]	USR_INTERPOLATION_N	RW	0x0000	This holds the user interpolation N value of the channel that is currently being selected on the multiplexer above. The total interpolation factor is of the form M/N. NOT-APPLICABLE if USERPORTS_DISABLE is set (0x1).
0x10a + 0x16*n	0x428 + 0x58*n	USR_CNTRLn_5				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[0:0]	DAC_IQ_MODE	RW	0x0	Enable complex mode. In this mode the driven data to the DAC must be a sequence of I and Q sample pairs.
		[1:1]	DAC_IQ_SWAP	RW	0x0	Allows IQ swapping in complex mode. Only takes effect if complex mode is enabled.
0x10b + 0x16*n	0x42c + 0x58*n	CHAN_CNTRLn_9				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	DDS_INIT_1_EXTENDED	RW	0x0000	The extended DDS phase initialization for tone 1. Sets the initial phase offset of the tone. The extended init(phase) value should be calculated according to DDS_PHASE_DW value from CHAN_CNTRL_1 NOT-APPLICABLE if DDS_DISABLE is set (0x1).
		[15:0]	DDS_INCR_1_EXTENDED	RW	0x0000	Sets the frequency of tone 1’s phase accumulator. Its value can be calculated by \(INCR = (f_{out} * 2^{phaseDW}) * clkratio / f_{if}\); Where f_out is the generated output frequency, DDS_PHASE_DW value can be found in CHAN_CNTRL_1 in case DDS_PHASE_DW is not 16, f_if is the frequency of the digital interface, and clock_ratio is the ratio between the sampling clock and the interface clock. NOT-APPLICABLE if DDS_DISABLE is set (0x1).
0x10c + 0x16*n	0x430 + 0x58*n	CHAN_CNTRLn_10				DAC Channel Control & Status (channel - 0) Where n is from 0 to 15.
		[31:16]	DDS_INIT_2_EXTENDED	RW	0x0000	The extended DDS phase initialization for tone 2. Sets the initial phase offset of the tone. The extended init(phase) value should be calculated according to DDS_PHASE_DW value from CHAN_CNTRL_2 NOT-APPLICABLE if DDS_DISABLE is set (0x1).
		[15:0]	DDS_INCR_2_EXTENDED	RW	0x0000	Sets the frequency of tone 2’s phase accumulator. Its value can be calculated by \(INCR = (f_{out} * 2^{phaseDW}) * clkratio / f_{if}\); Where f_out is the generated output frequency, DDS_PHASE_DW value can be found in CHAN_CNTRL_2 in case DDS_PHASE_DW is not 16, f_if is the frequency of the digital interface, and clock_ratio is the ratio between the sampling clock and the interface clock. NOT-APPLICABLE if DDS_DISABLE is set (0x1).

Transceiver TDD Control (axi_ad*) register map

DWORD	BYTE	Reg Name				Description
		BITS	Field Name	Type	Default Value	Description
0x10	0x40	TDD_CONTROL_0				TDD Control & Status
		[5:5]	TDD_GATED_TX_DMAPATH	RW	0x0	If this bit is set, the core requests data from the TX DMA, just when the data path is active. Otherwise will requests continuously on the adjusted rate. The purpose of this feature is to facilitate debug. This bit must be SET to preserve data integrity.
		[4:4]	TDD_GATED_RX_DMAPATH	RW	0x0	If this bit is set, the core provides data for the RX DMA, just when the data path is active. Otherwise will provides continuously on the adjusted rate. The purpose of this feature is to facilitate debug. This bit must be SET to preserve data integrity.
		[3:3]	TDD_TXONLY	RW	0x0	If this bit is set- the TDD controller ignores all the TX_* timing registers below and assumes continuous receive operation within a frame.
		[2:2]	TDD_RXONLY	RW	0x0	If this bit is set- the TDD controller ignores all the RX_* timing registers below and assumes continuous transmit operation within a frame.
		[1:1]	TDD_SECONDARY	RW	0x0	Enable the secondary transmit/receive on the active frame. If this bit is clear - the controller only uses the _1 timing registers below. If this bit is set - the controller uses the _1 and _2 timing registers below.
		[0:0]	TDD_ENABLE	RW	0x0	If set, enables the TDD controller- software must set this bit after programming all the registers that controls the tdd timing. Any device settings needs to be done (for example bring the AD9361 to the alert state) prior to to setting this bit. The controller keeps the frame counters in reset if this bit is reset. A 0 to 1 transition in this bit starts the frame counter and tdd mode of operation.
0x11	0x44	TDD_CONTROL_1				TDD Control & Status
		[7:0]	TDD_BURST_COUNT	RW	0x00	If set to 0x0 and enabled (TDD_ENABLE is set) - the controller operates in TDD mode as long as the TDD_ENABLE bit is set. If set to a non-zero value, the controller operates for the set number of frames and stops.
0x12	0x48	TDD_CONTROL_2				TDD Control & Status
		[23:0]	TDD_COUNTER_INIT	RW	0x000000	The controller sets the frame counter to this value when starting TDD operation. This is the starting offset value for the TDD frame counter.
0x13	0x4c	TDD_FRAME_LENGTH				TDD Control & Status
		[23:0]	TDD_FRAME_LENGTH	RW	0x000000	The frame length is the terminal count for the 10ms counter running at the digital interface clock- as an example for a 245.76MHz clock it is 0x258000.
0x14	0x50	TDD_SYNC_TERMINAL_TYPE				TDD Control & Status
		[0:0]	TDD_SYNC_TERMINAL_TYPE	RW	0x0	Set this bit, if the current terminal will generate the syncronization pulse, reset otherwise.
0x18	0x60	TDD_STATUS				TDD Control & Status
		[0:0]	TDD_RXTX_VCO_OVERLAP	RO	0x0	This bit is asserted, if exist a time interval when both the TX and RX VCOs are powered up.
		[1:1]	TDD_RXTX_RF_OVERLAP	RO	0x0	This bit is asserted, if exist a time interval when both the TX and RX RF datapath are powered up.
0x20	0x80	TDD_VCO_RX_ON_1				TDD Control & Status
		[23:0]	TDD_VCO_RX_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the RX VCO powers up at the first time. The controller enables the receive VCO, when the frame count reaches this value. The VCO may have to be enabled before data can be received. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x21	0x84	TDD_VCO_RX_OFF_1				TDD Control & Status
		[23:0]	TDD_VCO_RX_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the RX VCO powers down at the first time. The controller disables the receive VCO, when the frame count reaches this value. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x22	0x88	TDD_VCO_TX_ON_1				TDD Control & Status
		[23:0]	TDD_VCO_TX_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the TX VCO powers up at the first time. The controller enables the transmit VCO, when the frame count reaches this value. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x23	0x8c	TDD_VCO_TX_OFF_1				TDD Control & Status
		[23:0]	TDD_VCO_TX_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the TX VCO powers down at the first time. The controller disables the transmit VCO when the frame count reaches this value. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x24	0x90	TDD_RX_ON_1				TDD Control & Status
		[23:0]	TDD_RX_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the RX data path is activated at the first time. The controller enables the receive chain when the frame count reaches this value. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x25	0x94	TDD_RX_OFF_1				TDD Control & Status
		[23:0]	TDD_RX_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the RX data path is deactivated the first time. The controller disables the receive chain when the frame count reaches this value. The user needs to make sure, that the RF device is in a state, from where this operation is valid.
0x26	0x98	TDD_TX_ON_1				TDD Control & Status
		[23:0]	TDD_TX_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the TX data path is activated at the first time. The controller enables the transmit chain, when the frame count reaches this value. This register and the TX_DP_ON register controls the delay between the data path being activated and the time to actually push the transmit data through the transmit chain in the device.
0x27	0x9c	TDD_TX_OFF_1				TDD Control & Status
		[23:0]	TDD_TX_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the TX data path is deactivated at the first time. The controller disables the transmit chain, when the frame count reaches this value. This register and the TX_DP_OFF register controls the delay between the data path being deactivated and the time to actually stop transmitting data through the transmit chain in the device.
0x28	0xa0	TDD_RX_DP_ON_1				TDD Control & Status
		[23:0]	TDD_RX_DP_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the controller starts to accept data from the digital interface for receive.
0x29	0xa4	TDD_RX_DP_OFF_1				TDD Control & Status
		[23:0]	TDD_RX_DP_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the controller stops to accept data from the digital interface for receive.
0x2a	0xa8	TDD_TX_DP_ON_1				TDD Control & Status
		[23:0]	TDD_TX_DP_ON_1	RW	0x000000	Defines the offset (from frame count equal zero), when the controller starts to request data from the system memory for transmit. The data rate is controlled by the TDD controller.
0x2b	0xac	TDD_TX_DP_OFF_1				TDD Control & Status
		[23:0]	TDD_TX_DP_OFF_1	RW	0x000000	Defines the offset (from frame count equal zero), when the controller stop requesting data from the system memory for transmit.
0x30	0xc0	TDD_VCO_RX_ON_2				TDD Control & Status
		[23:0]	TDD_VCO_RX_ON_2	RW	0x000000	The secondary pointer for VCO_RX_ON.
0x31	0xc4	TDD_VCO_RX_OFF_2				TDD Control & Status
		[23:0]	TDD_VCO_RX_OFF_2	RW	0x000000	The secondary pointer for VCO_RX_OFF.
0x32	0xc8	TDD_VCO_TX_ON_2				TDD Control & Status
		[23:0]	TDD_VCO_TX_ON_2	RW	0x000000	The secondary pointer for VCO_TX_ON.
0x33	0xcc	TDD_VCO_TX_OFF_2				TDD Control & Status
		[23:0]	TDD_VCO_TX_OFF_2	RW	0x000000	The secondary pointer for VCO_TX_OFF.
0x34	0xd0	TDD_RX_ON_2				TDD Control & Status
		[23:0]	TDD_RX_ON_2	RW	0x000000	The secondary pointer for RX_ON.
0x35	0xd4	TDD_RX_OFF_2				TDD Control & Status
		[23:0]	TDD_RX_OFF_2	RW	0x000000	The secondary pointer for RX_OFF.
0x36	0xd8	TDD_TX_ON_2				TDD Control & Status
		[23:0]	TDD_TX_ON_2	RW	0x000000	The secondary pointer for TX_ON.
0x37	0xdc	TDD_TX_OFF_2				TDD Control & Status
		[23:0]	TDD_TX_OFF_2	RW	0x000000	The secondary pointer for TX_OFF.
0x38	0xe0	TDD_RX_DP_ON_2				TDD Control & Status
		[23:0]	TDD_RX_DP_ON_2	RW	0x000000	The secondary pointer for RX_DP_ON.
0x39	0xe4	TDD_RX_DP_OFF_2				TDD Control & Status
		[23:0]	TDD_RX_DP_OFF_2	RW	0x000000	The secondary pointer for RX_DP_OFF.
0x3a	0xe8	TDD_TX_DP_ON_2				TDD Control & Status
		[23:0]	TDD_TX_DP_ON_2	RW	0x000000	The secondary pointer for TX_DP_ON.
0x3b	0xec	TDD_TX_DP_OFF_2				TDD Control & Status
		[23:0]	TDD_TX_DP_OFF_2	RW	0x000000	The secondary pointer for TX_DP_OFF.

Software Support

The software for this IP can be found as part of the FMCOMMS2/3/4/5 reference designs.

• Linux device driver at drivers/iio/adc/ad9361.c

• Linux device trees for this can be found at ADI Linux repository

• Linux documentation on wiki

• No-OS device driver at drivers/rf-transceiver/ad9361

• No-OS project at projects/ad9361

References

• HDL IP core at library/axi_ad9361

• AD9361

• AD9361 User Guide

• FMCOMMS2 Reference Design

• FMCOMMS4 Reference Design

• Zynq-7000 SoC Overview

• Zynq-7000 SoC Packaging and Pinout