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CC8531 SPI配置

Other Parts Discussed in Thread: CC8531

   我在用其他MCU(ST的103)和CC8531通信的时候(SPI总线),我看到手册上说的要先将片选信号CS拉低,等待MISO变成高电平。能读出值,但不管读哪个地址的值都是出来一个定值0X43,我是自己写的模拟SPI,但我看到手册上有好多种时序,我弄得有点晕,如果写模拟SPi是不是也要针对不同的命令写多种时序??