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ADS8671: 读写时序是怎么样的

Part Number: ADS8671

目前我发送16个sclk的时钟是可以读到adc的转换数据,但是我想配置寄存器。我根据数据手册的42页,我写一个32bit的写寄存器 11010_00_<9-bit address>_<16-bit data>,然后发送读opcode:11001_xx_<9-bit address>_00000000_00000000,然后再发送16bit的sclk来读取寄存器数据,但是读取到的数据是adc的转换数据,并且写入也没成功,看过spi的时序是对的,想请问这个期间的读写时序是怎么样的