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求助好久了都没有人哎,已经按照电路图接好了,就是不出声



已经按照电路图接好了,就是不出声,reset 一点多伏,SD OTW一两伏,实在不可能,都接好了啊,大神帮我分析下,电压GVDD12...PVDD33V

真的没有人了么?