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[Commit-gnuradio] r8525 - usrp2/trunk/fpga/top/u2_rev2
From: |
matt |
Subject: |
[Commit-gnuradio] r8525 - usrp2/trunk/fpga/top/u2_rev2 |
Date: |
Wed, 28 May 2008 18:33:18 -0600 (MDT) |
Author: matt
Date: 2008-05-28 18:33:17 -0600 (Wed, 28 May 2008)
New Revision: 8525
Modified:
usrp2/trunk/fpga/top/u2_rev2/u2_rev2.v
Log:
use negedge clocks for adc inputs. Probably not necessary.
Modified: usrp2/trunk/fpga/top/u2_rev2/u2_rev2.v
===================================================================
--- usrp2/trunk/fpga/top/u2_rev2/u2_rev2.v 2008-05-29 00:32:12 UTC (rev
8524)
+++ usrp2/trunk/fpga/top/u2_rev2/u2_rev2.v 2008-05-29 00:33:17 UTC (rev
8525)
@@ -184,19 +184,22 @@
reg [13:0] adc_a_reg1, adc_b_reg1, adc_a_reg2, adc_b_reg2;
reg adc_ovf_a_reg1, adc_ovf_a_reg2, adc_ovf_b_reg1,
adc_ovf_b_reg2;
+ always @(negedge dsp_clk)
+ begin
+ adc_a_reg1 <= adc_a;
+ adc_b_reg1 <= adc_b;
+ adc_ovf_a_reg1 <= adc_ovf_a;
+ adc_ovf_b_reg1 <= adc_ovf_b;
+ end
+
always @(posedge dsp_clk)
begin
- adc_a_reg1 <= adc_a;
adc_a_reg2 <= adc_a_reg1;
- adc_b_reg1 <= adc_b;
adc_b_reg2 <= adc_b_reg1;
- adc_ovf_a_reg1 <= adc_ovf_a;
adc_ovf_a_reg2 <= adc_ovf_a_reg1;
- adc_ovf_b_reg1 <= adc_ovf_b;
adc_ovf_b_reg2 <= adc_ovf_b_reg1;
end // always @ (posedge dsp_clk)
-
// Handle Clocks
DCM DCM_INST (.CLKFB(dsp_clk),
.CLKIN(clk_muxed),
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matt <=