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--- en-us_commands:reference:tcntsetup [2026/09/07 21:52] – 만듦 - 바깥 편집 127.0.0.1
+++ en-us_commands:reference:tcntsetup [2026/09/08 00:53] (current) – 바깥 편집 127.0.0.1
@@ Line 16: / Line 16: @@
 <code cpp>
-TCNTSETUP(1, true);
+const uint8_t COUNTER_TIMER = 1;
+void setup() {
+  Serial.begin(115200);
+  TCNTSETUP(COUNTER_TIMER, true);  // Configure the timer's external clock input and 32-bit extension mode.
+}
+void loop() {
+  static uint16_t previousOverflow = 0;
+  const uint16_t overflowCount = TCNTOUT(COUNTER_TIMER);  // Return the accumulated upper overflow value in 32-bit extension mode.
+  if (overflowCount != previousOverflow) {
+    previousOverflow = overflowCount;
+    Serial.println(overflowCount);
+  }
+}
 </code>
@@ Line 25: / Line 39: @@
   * Do not interpret ''TCNTOUT()'' as a simple function for reading the current 16-bit counter.
   * In interrupt ISRs on other products, perform no work other than incrementing the count.
+===== Built-in Commands in the Same Category =====
+  * [[:en-us_commands:reference:tcntout|TCNTOUT() View detailed description]]
 [[:en-us_commands:builtin|← Built-in Command List]]