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C6748 spiflash启动 启动后dsp不读取flash中信息



C6748 BOOT设置为从SPI0启动  上电后复位信号正常,dsp不从flash中读取   spiflash片选信号一直为高  没有spiclk ,当手动将dsp的reset引脚拉低一下后dsp启动成功   相同板子另外3块就没有问题