SPI 速度2M, 看了读写时序没有问题。但是写到地址00h里 00 00 05,读ooh出来是00 00 00,请问这是怎么回事。
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SPI 速度2M, 看了读写时序没有问题。但是写到地址00h里 00 00 05,读ooh出来是00 00 00,请问这是怎么回事。
1http://www.ti.com/product/afe4400#technicaldocuments 官方网站。
2请详细看完40-41页,上面写着是读SPI先把SPI_READ置1,写SPI先把SPI_READ置0。
3请看44页,第二列说明可读或可写的属性。