现接线:VDD,VBATT,EN都接3.3v, SDA和SCL已接,J1和J2接左中(即EXT),除了这些还需要接什么?
我现在用串口助手发送指令,设置时钟频率返回AA,表示设置成功,但是往板子里写4019设置温度,或者0001使能,都是返回BB,表示写入失败,这是什么原因?请求解答。
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