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DSP2812做的语音识别在RAM能正常运行,下载到flash就接收不到数据了

语音芯片为AIC23,下载到RAM有时能运行,有时运行不了,就是AIC23接收不到数据。下载到FLASH一次也没接受到数据,求问这是怎么回事呀?还有那个下载到flash中必须要那个网上说的initflash函数吗?