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| author | Matt Ettus <matt@ettus.com> | 2011-05-13 14:05:04 -0700 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2011-06-08 10:52:52 -0700 |
| commit | b9b183315a232b3bdd2c82ee924678612ff50e0c (patch) | |
| tree | b9a83345e723d9d9e760b6d79e664895e36101b8 | |
| parent | d35bbdf5a68dd8227354b4352043867f43b20b09 (diff) | |
| download | uhd-b9b183315a232b3bdd2c82ee924678612ff50e0c.tar.gz uhd-b9b183315a232b3bdd2c82ee924678612ff50e0c.tar.bz2 uhd-b9b183315a232b3bdd2c82ee924678612ff50e0c.zip | |
dsp: no need to keep all the low order bits from the accumulator
| -rw-r--r-- | usrp2/sdr_lib/small_hb_dec.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usrp2/sdr_lib/small_hb_dec.v b/usrp2/sdr_lib/small_hb_dec.v index 14e6d755c..41ecd3e41 100644 --- a/usrp2/sdr_lib/small_hb_dec.v +++ b/usrp2/sdr_lib/small_hb_dec.v @@ -111,8 +111,8 @@ module small_hb_dec wire stb_round; - round_sd #(.WIDTH_IN(36),.WIDTH_OUT(19)) round_acc - (.clk(clk), .reset(rst), .in(accum), .strobe_in(go_d4), .out(accum_rnd), .strobe_out(stb_round)); + round_sd #(.WIDTH_IN(25),.WIDTH_OUT(19)) round_acc + (.clk(clk), .reset(rst), .in(accum[35:11]), .strobe_in(go_d4), .out(accum_rnd), .strobe_out(stb_round)); clip #(.bits_in(19),.bits_out(18)) clip (.in(accum_rnd), .out(accum_rnd_clip)); |