From 0de3f55e7122e1103291ce34882b64734967e3a4 Mon Sep 17 00:00:00 2001
From: xingchen <1098756313@qq.com>
Date: Fri, 25 Sep 2026 11:57:23 +0800
Subject: [PATCH] feat: add rtl/timeout_counter.v

---
 rtl/timeout_counter.v | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 rtl/timeout_counter.v

diff --git a/rtl/timeout_counter.v b/rtl/timeout_counter.v
new file mode 100644
index 0000000..c3a08fa
--- /dev/null
+++ b/rtl/timeout_counter.v
@@ -0,0 +1,14 @@
+module timeout_counter #(
+    parameter WIDTH = 16,
+    parameter LIMIT = 1000
+) (
+    input wire clk, input wire rst_n, input wire clear,
+    output reg timeout, output reg [WIDTH-1:0] count
+);
+  always @(posedge clk or negedge rst_n) begin
+    if (!rst_n) begin count <= 0; timeout <= 0; end
+    else if (clear) begin count <= 0; timeout <= 0; end
+    else if (count >= LIMIT) begin count <= LIMIT; timeout <= 1; end
+    else begin count <= count + 1'b1; timeout <= 0; end
+  end
+endmodule