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author | Ben Hilburn <ben.hilburn@ettus.com> | 2013-10-10 10:17:27 -0700 |
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committer | Ben Hilburn <ben.hilburn@ettus.com> | 2013-10-10 10:17:27 -0700 |
commit | 0df4b801a34697f2058b4a7b95e08d2a0576c9db (patch) | |
tree | be10e78d1a97c037a9e7492360a178d1873b9c09 /fpga/usrp3/lib/control/reset_sync.v | |
parent | 6e7bc850b66e8188718248b76b729c7cf9c89700 (diff) | |
download | uhd-0df4b801a34697f2058b4a7b95e08d2a0576c9db.tar.gz uhd-0df4b801a34697f2058b4a7b95e08d2a0576c9db.tar.bz2 uhd-0df4b801a34697f2058b4a7b95e08d2a0576c9db.zip |
Squashed B200 FPGA Source. Code from Josh Blum, Ian Buckley, and Matt Ettus.
Diffstat (limited to 'fpga/usrp3/lib/control/reset_sync.v')
-rw-r--r-- | fpga/usrp3/lib/control/reset_sync.v | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fpga/usrp3/lib/control/reset_sync.v b/fpga/usrp3/lib/control/reset_sync.v new file mode 100644 index 000000000..da284e62e --- /dev/null +++ b/fpga/usrp3/lib/control/reset_sync.v @@ -0,0 +1,28 @@ +// +// Copyright 2011 Ettus Research LLC +// + + + + +module reset_sync + (input clk, + input reset_in, + output reset_out); + + reg reset_int; + + reg reset_out_tmp; + + //synthesis attribute async_reg of reset_out_tmp is "true"; + //synthesis attribute async_reg of reset_int is "true"; + always @(posedge clk or posedge reset_in) + if(reset_in) + {reset_out_tmp,reset_int} <= 2'b11; + else + {reset_out_tmp,reset_int} <= {reset_int,1'b0}; + + assign reset_out = reset_out_tmp; + + +endmodule // reset_sync |