ccs3.3仿真环境,仿真器可以连接,下载程序,擦除flash进度条没有进展,测量3.3V,1.9V电压正常,但复位管脚XRSN电压为2.5V(正常应为3.3V),并且此时DSP已断开外部复位芯片,不受外部复位芯片影响,请教各位大神!
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ccs3.3仿真环境,仿真器可以连接,下载程序,擦除flash进度条没有进展,测量3.3V,1.9V电压正常,但复位管脚XRSN电压为2.5V(正常应为3.3V),并且此时DSP已断开外部复位芯片,不受外部复位芯片影响,请教各位大神!
XRSn有RC滤波,当C较小时,测试发现XRSn往外输出周期2ms,脉宽10us左右的低电平信号,好像DSP在自己复位一样,但是外部没有给它任何复位信号,什么情况下会出现这种情况?