我现在C6748的EMIFA口配置如下:
//Set async mode as normal mode EMIFAAsyncDevOpModeSelect(SOC_EMIFA_0_REGS, EMIFA_CHIP_SELECT_5, EMIFA_ASYNC_INTERFACE_NORMAL_MODE); //Disable the wait pin EMIFAExtendedWaitConfig(SOC_EMIFA_0_REGS,EMIFA_CHIP_SELECT_5,EMIFA_EXTENDED_WAIT_DISABLE); //Timing config EMIFAWaitTimingConfig(SOC_EMIFA_0_REGS,EMIFA_CHIP_SELECT_5, EMIFA_ASYNC_WAITTIME_CONFIG(1,2,1,1,2,1,0)); //Width config EMIFAAsyncDevDataBusWidthSelect(SOC_EMIFA_0_REGS,EMIFA_CHIP_SELECT_5,EMIFA_DATA_BUSWITTH_16BIT); EMIFA_ASYNC_WAITTIME_CONFIG(1,2,1,1,2,1,0)”不论怎么设置,“ EMIFA_ASYNC_WAITTIME_CONFIG(0,0,0,0,0,0,0)”, EMIFA_ASYNC_WAITTIME_CONFIG(15,63,7,15,63,7,3)”,从示波器量出来的CS信号和WE信号宽窄没有任何变化,EMIFA口始终


