OKMX6UL-C,上电或复位LED3总是会闪烁两次,什么原因?
本帖最后由 LonlyPan 于 2023-10-28 21:45 编辑OKMX6UL-C底板,编写裸机例程时发现了这个问题,只要我接上核心板,不管有没有程序,led3这个灯都会在上电或复位后,闪烁两下,没找到原因。
图片里LED3只闪了一次,实际是两次,没拍出来。我这里是启动后点亮LED,所以后面两个LED都亮了。
看底板原理图,LED3还连接着SD1_NRST,但我在原理图上也一直没找到这个信号。
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
led原理图
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Xw8kKzPSTDH6EQJ05g1SpERAy0KSOPwSiYfsPEBH942ewIS8suJRtO6Ok1Du8pA8KQ2XxH6Tf09HDqFNXkQDKie0tKawQCnD6NwbQ/dCRCZUlpQiDAV19hxYqBtmPEQwexlEaoJgcPVJYUABAI8P**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Xw8kKzPSTDH6EQJ05g1SpERAy0KSOPwSiYfsPEBH942ewIS8suJRtO6Ok1Du8pA8KQ2XxH6Tf09HDqFNXkQDKie0tKawQCnD6NwbQ/dCRCZUlpQiDAV19hxYqBtmPEQwexlEaoJgcPVJYUABAI8P**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
望大神能解释下是什么原因。
该引脚上电时默认是输入状态
页:
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