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| author | Josh Blum <josh@joshknows.com> | 2010-04-16 09:42:46 +0000 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2010-04-16 09:42:46 +0000 |
| commit | 835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25 (patch) | |
| tree | 4fe48bdaf92311deedfbe1a5e77dd209468a2d7d /fpga/usrp2/models/serdes_model.v | |
| parent | f1838b9284a124fcfb5996eaf1647a69b4473278 (diff) | |
| parent | 067491b58676cbdaa754334949a8ffc2daf32979 (diff) | |
| download | uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.tar.gz uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.tar.bz2 uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.zip | |
Merge branch 'master' of git@ettus.sourcerepo.com:ettus/uhdpriv into usrp_e
Conflicts:
.gitignore
Diffstat (limited to 'fpga/usrp2/models/serdes_model.v')
| -rw-r--r-- | fpga/usrp2/models/serdes_model.v | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fpga/usrp2/models/serdes_model.v b/fpga/usrp2/models/serdes_model.v new file mode 100644 index 000000000..f10e55554 --- /dev/null +++ b/fpga/usrp2/models/serdes_model.v @@ -0,0 +1,34 @@ + +module serdes_model + (input ser_tx_clk, + input ser_tkmsb, + input ser_tklsb, + input [15:0] ser_t, + + output ser_rx_clk, + output ser_rkmsb, + output ser_rklsb, + output [15:0] ser_r, + + input even, + input error); + + wire [15:0] ser_r_odd; + wire ser_rklsb_odd, ser_rkmsb_odd; + + reg [7:0] hold_dat; + reg hold_k; + + always @(posedge ser_tx_clk) hold_k <= ser_tklsb; + always @(posedge ser_tx_clk) hold_dat <= ser_t[15:8]; + assign ser_rklsb_odd = hold_k; + assign ser_rkmsb_odd = ser_tklsb; + assign ser_r_odd = {ser_t[7:0], hold_dat}; + + // Set outputs + assign ser_rx_clk = ser_tx_clk; + assign ser_rkmsb = even ? ser_tkmsb : ser_rkmsb_odd; + assign ser_rklsb = even ? ser_tklsb : ser_rklsb_odd; + assign ser_r = error ^ (even ? ser_t : ser_r_odd); + +endmodule // serdes_model |