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(PWM输出)PWM输出是否可设定启动电平为“H”?

最新更新:03/01/2005

Question:

(PWM输出)PWM输出是否可设定启动电平为“H”?

Answer:

使能PWM功能后,从各自PWM引脚输出短暂“L”电平后,PWM输出“H"。L电平输出时间如下:

- 当计数源选择位为"0"

(n + 1)/(2×f(XIN))秒

n =PWM预定标器中设定的值 - 当计数源选择位为 "1"

(n + 1)/f(XIN)) 秒

n = PWM预定标器中设定的值

Suitable Products
3803H
3803L
3850A
3858