diff --git a/examples/timer/timer_wdt_int/CMakeLists.txt b/examples/timer/timer_wdt_int/CMakeLists.txt
new file mode 100644
index 00000000..6979db2c
--- /dev/null
+++ b/examples/timer/timer_wdt_int/CMakeLists.txt
@@ -0,0 +1,2 @@
+set(mains main.c)
+generate_bin()
\ No newline at end of file
diff --git a/examples/timer/timer_wdt_int/main.c b/examples/timer/timer_wdt_int/main.c
new file mode 100644
index 00000000..2eee7928
--- /dev/null
+++ b/examples/timer/timer_wdt_int/main.c
@@ -0,0 +1,78 @@
+/**
+ * @file main.c
+ * @brief
+ *
+ * Copyright (c) 2021 Bouffalolab team
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "bflb_platform.h"
+#include "hal_wdt.h"
+
+struct device *wdt_int;
+
+static uint8_t watchdog_flag = 0;
+
+void wdt_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
+{
+    if (state == WDT_EVENT) {
+        watchdog_flag = 1;
+        device_control(wdt_int, DEVICE_CTRL_CLR_INT, 0);
+    }
+}
+
+int main(void)
+{
+    bflb_platform_init(0);
+
+    uint32_t wdt_cnt = 0;
+
+    wdt_register(WDT_INDEX, "wdt_int");
+    wdt_int = device_find("wdt_int");
+
+    if (wdt_int) {
+        device_set_callback(wdt_int, wdt_irq_callback);
+        device_control(wdt_int, DEVICE_CTRL_SET_INT, NULL);
+        device_open(wdt_int, DEVICE_OFLAG_INT_TX); // 6000 counter
+        // device_write(wdt_int, 0, (void *)6000, 0);
+    } else {
+        MSG("wdt device open failed! \r\n");
+    }
+
+    while (1) {
+        wdt_cnt = device_control(wdt_int, DEVICE_CTRL_GET_WDT_COUNTER, 0);
+        MSG("Watchdog counter value=%d \r\n", wdt_cnt);
+        if (wdt_cnt > 1000) {
+            MSG("Watchdog reset counter \r\n");
+            device_control(wdt_int, DEVICE_CTRL_RST_WDT_COUNTER, 0);
+            break;
+        }
+    }
+
+    MSG("Waiting for watchdog interrupt or reset \r\n");
+
+    while (watchdog_flag == 0) {
+        MSG("Watchdog counter value=%d \r\n", device_control(wdt_int, DEVICE_CTRL_GET_WDT_COUNTER, 0));
+    }
+    MSG("Watchdog interrupt arrived \r\n");
+
+    device_close(wdt_int);
+
+    BL_CASE_SUCCESS;
+    while (1) {
+    }
+}