* required):
* @par
* - Minimum value is [1us]:
- * - 1us = 0.001 ms =>
- * - 1000000 Hz = 1 MHz
- * - A pulse of 1% of the duty cycle -> 100 MHz (X)
+ * - 50us => 20 kHz
* - System clock is 80MHz.
* @par
* - Maximum value is [2147483647us] (full 32bit signed integer):