AXI AD7616#
+The AXI AD7616 IP core +can be used to interface the AD7616 device using an +FPGA. The core has a AXI Memory Map interface for configuration, supports the +parallel data interface of the device, and has a simple FIFO interface for the +DMAC.
+Files#
+Name |
+Description |
+
---|---|
+ | Verilog source for the AXI AD7616. |
+
+ | Verilog source for the AXI AD7616 control. |
+
+ | Verilog source for the AXI AD7616 parallel interface. |
+
Block Diagram#
+Configuration Parameters#
+Name |
+Description |
+Default Value |
+Choices/Range |
+
---|---|---|---|
ID |
+Core ID should be unique for each IP in the system + |
+0 |
++ |
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 |
++ |
Physical Port |
+Logical Port |
+Direction |
+Dependency |
+
---|---|---|---|
s_axi_aclk |
+CLK |
+in |
++ |
Physical Port |
+Logical Port |
+Direction |
+Dependency |
+
---|---|---|---|
s_axi_aresetn |
+RST |
+in |
++ |
Physical Port |
+Direction |
+Dependency |
+Description |
+
---|---|---|---|
rx_cs_n |
+out |
++ | Active low chip select + |
+
rx_db_o |
+out [15:0] |
++ | Parallel data out + |
+
rx_db_i |
+in [15:0] |
++ | Parallel data in + |
+
rx_db_t |
+out |
++ | Active high 3-state T pin for IOBUF + |
+
rx_rd_n |
+out |
++ | Active low parallel data read control + |
+
rx_wr_n |
+out |
++ | Active low parallel data write control + |
+
rx_trigger |
+in |
++ | End of conversion signal + |
+
adc_valid |
+out |
++ | Shows when a valid data is available on the bus + |
+
adc_data |
+out [15:0] |
++ | Data bus + |
+
adc_sync |
+out |
++ | Shows the first valid beat on a sequence + |
+
Register Map#
+DWORD |
+BYTE |
+Reg Name |
+Description |
+|||
---|---|---|---|---|---|---|
+ | BITS |
+Field Name |
+Type |
+Default Value |
+Description |
+|
0x100 |
+0x400 |
+VERSION |
+Version and Scratch Registers. + |
+|||
+ | [31:0] |
+VERSION |
+RO |
+0x00001002 |
+Version number + |
+|
0x101 |
+0x404 |
+ID |
+Instance identifier number. + |
+|||
+ | [31:0] |
+ID |
+RO |
+0x00000000 |
+Version number + |
+|
0x102 |
+0x408 |
+SCRATCH |
+Scratch register. + |
+|||
+ | [31:0] |
+SCRATCH |
+RW |
+0x00000000 |
+Version number + |
+|
0x110 |
+0x440 |
+UP_CNTRL |
+ADC Interface Control & Status. + |
+|||
+ | [1:1] |
+CNVST_EN |
+RW |
+0x0 |
+Enable the CNVST pulse generator of core. + |
+|
+ | [0:0] |
+RESETN |
+RW |
+0x0 |
+Reset, default is IN-RESET (0x0), software must write 0x1 to bring up the core. + |
+|
0x111 |
+0x444 |
+UP_CONV_RATE |
+ADC Interface Control & Status. + |
+|||
+ | [31:0] |
+UP_CONV_RATE |
+RW |
+0x00000000 |
+Rate of the conversion pulse signal, it’s relative to the system clock (s_axis_clk). + |
+|
0x112 |
+0x448 |
+UP_BURST_LENGTH |
+ADC Interface Control & Status. + |
+|||
+ | [4:0] |
+UP_BURST_LENGTH |
+RW |
+0x00 |
+Define the actual burst length. The value must be equal to burst length - 1 . This register is active just on PARALLEL mode. + |
+|
0x113 |
+0x44c |
+UP_READ_DATA |
+ADC Interface Control & Status. + |
+|||
+ | [31:0] |
+UP_READ_DATA |
+RO |
+0x00000000 |
+This register can be used to read the device registers on PARALLEL software mode. + |
+|
0x114 |
+0x450 |
+UP_WRITE_DATA |
+ADC Interface Control & Status. + |
+|||
+ | [31:0] |
+UP_WRITE_DATA |
+WO |
+0x00000000 |
+This register can be used to read the device registers on PARALLEL software mode. + |
+
Access Type |
+Name |
+Description |
+
---|---|---|
RO |
+Read-only |
+Reads will return the current register value. Writes have no effect. |
+
RW |
+Read-write |
+Reads will return the current register value. Writes will change the current register value. |
+
WO |
+Write-only |
+Writes will change the current register value. Reads have no effect. |
+