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Ad7606 serial/parallel interface
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I unified the ad7606x_fmc project, where both the serial interface and the parallel interface are implemented.

Signed-off-by: Ioan-daniel Pop <[email protected]>
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@PIoandan
PIoandan committed Nov 13, 2023
1 parent 455bfbc commit 1ad3c33
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Showing 11 changed files with 606 additions and 200 deletions.
41 changes: 21 additions & 20 deletions library/axi_ad7606x/axi_ad7606x.v
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Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,9 @@ module axi_ad7606x #(

parameter ID = 0,
parameter DEV_CONFIG = 0,
parameter ADC_CH_DW = 16,
parameter ADC_TO_DMA_N_BITS = 16,
parameter ADC_N_BITS = 16,
parameter ADC_READ_MODE = 0,
parameter EXTERNAL_CLK = 0
) (

Expand Down Expand Up @@ -87,14 +88,14 @@ module axi_ad7606x #(
output adc_clk,

output adc_valid,
output [ADC_CH_DW-1:0] adc_data_0,
output [ADC_CH_DW-1:0] adc_data_1,
output [ADC_CH_DW-1:0] adc_data_2,
output [ADC_CH_DW-1:0] adc_data_3,
output [ADC_CH_DW-1:0] adc_data_4,
output [ADC_CH_DW-1:0] adc_data_5,
output [ADC_CH_DW-1:0] adc_data_6,
output [ADC_CH_DW-1:0] adc_data_7,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_0,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_1,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_2,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_3,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_4,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_5,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_6,
output [ADC_TO_DMA_N_BITS-1:0] adc_data_7,
output adc_enable_0,
output adc_enable_1,
output adc_enable_2,
Expand Down Expand Up @@ -146,7 +147,7 @@ module axi_ad7606x #(
wire [ 7:0] adc_enable;
wire adc_reset_s;

wire [(8*ADC_CH_DW)-1:0] dma_data;
wire [(8*ADC_TO_DMA_N_BITS)-1:0] dma_data;
wire dma_dvalid;

wire up_clk;
Expand Down Expand Up @@ -287,13 +288,13 @@ module axi_ad7606x #(
for (k = 0;k < 8;k = k + 1) begin
ad_datafmt #(
.DATA_WIDTH (ADC_N_BITS),
.BITS_PER_SAMPLE (ADC_CH_DW)
.BITS_PER_SAMPLE (ADC_TO_DMA_N_BITS)
) i_datafmt (
.clk (adc_clk),
.valid (1'b1),
.data (adc_data_s[k*ADC_N_BITS+(ADC_N_BITS-1):k*ADC_N_BITS]),
.valid_out (dma_dvalid),
.data_out (dma_data[k*ADC_CH_DW+(ADC_CH_DW-1):k*ADC_CH_DW]),
.data_out (dma_data[k*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):k*ADC_TO_DMA_N_BITS]),
.dfmt_enable (adc_dfmt_enable_s[k]),
.dfmt_type (adc_dfmt_type_s[k]),
.dfmt_se (adc_dfmt_se_s[k]));
Expand Down Expand Up @@ -385,14 +386,14 @@ module axi_ad7606x #(
endgenerate

assign adc_data_s = {adc_data_0_s,adc_data_1_s,adc_data_2_s,adc_data_3_s,adc_data_4_s,adc_data_5_s,adc_data_6_s,adc_data_7_s};
assign adc_data_7 = dma_data[0*ADC_CH_DW+(ADC_CH_DW-1):0*ADC_CH_DW];
assign adc_data_6 = dma_data[1*ADC_CH_DW+(ADC_CH_DW-1):1*ADC_CH_DW];
assign adc_data_5 = dma_data[2*ADC_CH_DW+(ADC_CH_DW-1):2*ADC_CH_DW];
assign adc_data_4 = dma_data[3*ADC_CH_DW+(ADC_CH_DW-1):3*ADC_CH_DW];
assign adc_data_3 = dma_data[4*ADC_CH_DW+(ADC_CH_DW-1):4*ADC_CH_DW];
assign adc_data_2 = dma_data[5*ADC_CH_DW+(ADC_CH_DW-1):5*ADC_CH_DW];
assign adc_data_1 = dma_data[6*ADC_CH_DW+(ADC_CH_DW-1):6*ADC_CH_DW];
assign adc_data_0 = dma_data[7*ADC_CH_DW+(ADC_CH_DW-1):7*ADC_CH_DW];
assign adc_data_7 = dma_data[0*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):0*ADC_TO_DMA_N_BITS];
assign adc_data_6 = dma_data[1*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):1*ADC_TO_DMA_N_BITS];
assign adc_data_5 = dma_data[2*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):2*ADC_TO_DMA_N_BITS];
assign adc_data_4 = dma_data[3*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):3*ADC_TO_DMA_N_BITS];
assign adc_data_3 = dma_data[4*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):4*ADC_TO_DMA_N_BITS];
assign adc_data_2 = dma_data[5*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):5*ADC_TO_DMA_N_BITS];
assign adc_data_1 = dma_data[6*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):6*ADC_TO_DMA_N_BITS];
assign adc_data_0 = dma_data[7*ADC_TO_DMA_N_BITS+(ADC_TO_DMA_N_BITS-1):7*ADC_TO_DMA_N_BITS];

up_adc_common #(
.ID (ID),
Expand Down
6 changes: 3 additions & 3 deletions projects/ad7606x_fmc/Readme.md
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Expand Up @@ -3,9 +3,9 @@
Here are some pointers to help you:
* [EVAL-AD7606B Product Page](https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/eval-ad7606b-fmcz.html)
* [EVAL-AD7606C-16/18 Product Page](https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/eval-ad7606c-18.html)
* Parts : AD7606B [8 Channels, 16-bit, 800 kSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606b.html)
* Parts : AD7606C-16 [8 Channels, 16-bit, 1 MSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606c-16.html)
* Parts : AD7606B [8 Channels, 18-bit, 1 MSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606c-18.html)
* Parts : [AD7606B 8, Channels, 16-bit, 800 kSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606b.html)
* Parts : [AD7606B 8, Channels, 18-bit, 1 MSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606c-18.html)
* Parts : [AD7606C-16, 8 Channels, 16-bit, 1 MSPS Bipolar Input, Simultaneous sampling ADC](https://www.analog.com/en/products/ad7606c-16.html)
* Project Doc: https://wiki.analog.com/resources/eval/user-guides/ad7606x-fmcz
* HDL Doc: https://wiki.analog.com/resources/eval/user-guides/ad7606x-fmc/hdl
* NO-OS Drivers: [AD7606 - No-OS Driver](https://wiki.analog.com/resources/tools-software/uc-drivers/ad7606)
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