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-rw-r--r--usrp2/top/N2x0/u2plus.v8
1 files changed, 5 insertions, 3 deletions
diff --git a/usrp2/top/N2x0/u2plus.v b/usrp2/top/N2x0/u2plus.v
index be6cdeeca..be1f355d2 100644
--- a/usrp2/top/N2x0/u2plus.v
+++ b/usrp2/top/N2x0/u2plus.v
@@ -188,13 +188,15 @@ module u2plus
.out({adc_a_inv,adc_b}));
assign adc_a = ~adc_a_inv;
`else
- reg [13:0] adc_a, adc_b;
+ reg [13:0] adc_a, adc_b, adc_a_pre, adc_b_pre;
always @(posedge dsp_clk)
begin
- adc_a <= ~{ADCA_12_p,ADCA_12_n, ADCA_10_p,ADCA_10_n, ADCA_8_p,ADCA_8_n, ADCA_6_p,ADCA_6_n,
+ adc_a_pre <= {ADCA_12_p,ADCA_12_n, ADCA_10_p,ADCA_10_n, ADCA_8_p,ADCA_8_n, ADCA_6_p,ADCA_6_n,
ADCA_4_p,ADCA_4_n, ADCA_2_p,ADCA_2_n, ADCA_0_p,ADCA_0_n };
- adc_b <= {ADCB_12_p,ADCB_12_n, ADCB_10_p,ADCB_10_n, ADCB_8_p,ADCB_8_n, ADCB_6_p,ADCB_6_n,
+ adc_b_pre <= {ADCB_12_p,ADCB_12_n, ADCB_10_p,ADCB_10_n, ADCB_8_p,ADCB_8_n, ADCB_6_p,ADCB_6_n,
ADCB_4_p,ADCB_4_n, ADCB_2_p,ADCB_2_n, ADCB_0_p,ADCB_0_n };
+ adc_a <= ~adc_a_pre; //Note: A must be inverted, but not B
+ adc_b <= adc_b_pre;
end
`endif // !`ifdef LVDS