RK3288SPI的相关寄存器的介绍和使用

RK3288SPI的相关寄存器详细的介绍和使用TheserialperipheralinterfaceisanAPBslavedevice.AfourwirefullduplexserialprotocolfromMotorola.Therearefourpossiblecombinationsfortheserialclockphaseandpolarity.Theclockphase(SCPH)determineswhethertheserialtransferbeginswiththefallingedgeofslaveselectsignalsor