I am looking for a chip that outputs a high level (low level) when there is a pulse input, and outputs a low level (high level) when there is no pulse input.
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I want to distinguish the signal entering the interrupt by judging the interrupt flag, but the interrupt flag is cleared as soon as the interrupt is entered? What should I do?
Hi guys, I want to write the code about how to control UART read and write through SPI in SC16IS762. I have read the SPEC of this IC, which has the format of how to control the internal register of UA