Changeset 53 for trunk/MultiChannelUSB/adc_fifo.v

Timestamp:

Sep 17, 2009, 6:32:50 PM (15 years ago)

Author:

demin

Message:

add signal invertor

File:

• trunk/MultiChannelUSB/adc_fifo.v (modified) (2 diffs)

trunk/MultiChannelUSB/adc_fifo.v

@@ -29 +29 @@
         wire                    int_rdempty;
 
+        wire    [11:0]  int_adc_data;
+        assign  int_adc_data = 12'hfff - adc_data;
+
         uwt_bior31 #(.L(1)) uwt_1_unit (
                 .clk(adc_clk),
-                .x({20'h00000, adc_data}),
+                .x({20'h00000, int_adc_data}),
                 .d(uwt_d1),
                 .a(uwt_a1),
@@ -67 +70 @@
                 .write_aclr_synch("OFF")) fifo_raw (
                 .aclr(aclr),
-                .data(adc_data),
+                .data(int_adc_data),
                 .rdclk(rdclk),
                 .rdreq((~int_rdempty) & int_rdreq),