dac7811似乎无法传入数据,7引脚即SDO电压始终和电源正压相等。原理图及PCB无直接连接,经测量芯片7、8引脚为8M欧左右。不知道问题在哪。
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dac7811似乎无法传入数据,7引脚即SDO电压始终和电源正压相等。原理图及PCB无直接连接,经测量芯片7、8引脚为8M欧左右。不知道问题在哪。