https://support.dialog-semiconductor.com/resource-keywords/pwm2 在 https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-software/da14580-pwm-duty-cycle-value < div class = "字段field-name-taxonomy-forums field-type-taxonomy-term-reference field-label-above”> < div class = "字段标签" >论坛:,< / div > < div class = "字段条目" > < div class =”field-item甚至“rel = " sioc: has_container " > < a href = " /论坛/ dialog-smartbond-bluetooth-low-energy - % E2 % 80% 93 -软件”“=“sioc:容器sioc:论坛”属性= " rdfs: label skos: prefLabel”数据类型= " " >对话框Smartbond蓝牙低能量-软件< / > < / div > < / div > < / div > < div class =”字段field-name-body field-type-text-with-summary field-label-hidden”> < div class = "字段条目" > < div class =”field-item甚至“财产=“内容:编码”> < p >我有一个问题关于DA14580。
使用timer2_set_pwm2_duty_cycle()改变占空比时，PWM输出值(GPIO引脚)有时会在一个PWM周期内变成High。
这一现象可能的原因是什么?< / p > < / div > < / div > < / div > < div class =”字段field-name-field-forum-keywords field-type-taxonomy-term-reference field-label-above”> < div class = "字段标签" >关键词:,< / div > < div class = "字段条目" > < div class =”field-item甚至“> < a href = " / resource-keywords / pwm2”“=“skos:概念”属性=“rdfs: label skos: prefLabel”数据类型= " " > PWM2 < / > < / div > < / div > < / div > < div class =”字段field-name-field-device field-type-taxonomy-term-reference field-label-above”> < div class = "字段标签" >设备:,< / div > < div class = "字段条目" > < div class =”field-item甚至“> < a href = " / forum-post-device / da14580”“=“skos:概念”属性=“rdfs: label skos: prefLabel”数据类型= " " > DA14580 < / > < / div > < / div > < / div > 2018年5月9日星期三07:09:14 +0000 HIDESHI TSUTSUKI 181170年https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-software/da14580-pwm-duty-cycle-value#comments