From e945c80a6ceaef501350de49bf647ae8539d1cbb Mon Sep 17 00:00:00 2001 From: Flavian Kaufmann Date: Mon, 20 May 2024 16:48:55 +0200 Subject: reset synchronizer --- src/reset_synchronizer.v | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/reset_synchronizer.v (limited to 'src/reset_synchronizer.v') diff --git a/src/reset_synchronizer.v b/src/reset_synchronizer.v new file mode 100644 index 0000000..b957a4b --- /dev/null +++ b/src/reset_synchronizer.v @@ -0,0 +1,22 @@ +module reset_synchronizer ( + input clk, + input rstn_async, + output rstn +); + +reg rstn_meta; +reg rstn_sync_reg; + +always @(posedge clk or negedge rstn_async) begin + if (!rstn_async) begin + rstn_meta <= 1'b0; + rstn_sync_reg <= 1'b0; + end else begin + rstn_meta <= 1'b1; + rstn_sync_reg <= rstn_meta; + end +end + +assign rstn = rstn_sync_reg; + +endmodule \ No newline at end of file -- cgit v1.2.3