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DSP2808 XCLKOUT引脚时而有输出时而没输出



DSP2808供电后 XCLKOUT引脚输出不正常,有时候是低电位,有时候是高电位,有时候是方波,1.8V,3.3V供电都正常,如果确定晶振起振了没有问题,那是不是可以认为DSP坏掉了。

假如是晶振没有起振,没起振的原因只能是晶振坏了吗~

谢谢