请教一下SPI读取次数 #169
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请教一下SPI读取次数
#169
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我看代码读取11个74HC165的时候，SPI读取的次数实际在12次？我自己焊了一个74HC165的时候也发现，需要读两个字节，舍弃第一个字节，从第2个字节开始才是正确的，为什么会出现这种情况？
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