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Trace from TI 23mm glass tag.
[proxmark3-svn] / fpga / lo_passthru.v
1 //-----------------------------------------------------------------------------
2 // For reading TI tags, we need to place the FPGA in pass through mode
3 // and pass everything through to the ARM
4 //-----------------------------------------------------------------------------
5
6 module lo_passthru(
7 pck0, ck_1356meg, ck_1356megb,
8 pwr_lo, pwr_hi, pwr_oe1, pwr_oe2, pwr_oe3, pwr_oe4,
9 adc_d, adc_clk,
10 ssp_frame, ssp_din, ssp_dout, ssp_clk,
11 cross_hi, cross_lo,
12 dbg
13 );
14 input pck0, ck_1356meg, ck_1356megb;
15 output pwr_lo, pwr_hi, pwr_oe1, pwr_oe2, pwr_oe3, pwr_oe4;
16 input [7:0] adc_d;
17 output adc_clk;
18 input ssp_dout;
19 output ssp_frame, ssp_din, ssp_clk;
20 input cross_hi, cross_lo;
21 output dbg;
22
23 // No logic, straight through.
24
25 assign pwr_oe3 = 1'b0;
26 assign pwr_oe1 = 1'b1;
27 assign pwr_oe2 = 1'b1;
28 assign pwr_oe4 = 1'b1;
29 assign pwr_lo = 1'b0;
30 assign pwr_hi = 1'b0;
31 assign adc_clk = 1'b0;
32 assign ssp_din = cross_lo;
33 assign dbg = cross_lo;
34
35 endmodule
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