使用BQ79616EVM调试,GPIO作为外接NTC采集电压(转换为温度)值,外部电路已接,测量到GPIO引脚有电压值2.1V,将TSREF_EN置为1,且电压正常5V,已将GPIO配置为 ADC and OTUT inputs,读取GPIO1_HI(0x058E) 寄存器的值,回的只是80 00。
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使用BQ79616EVM调试,GPIO作为外接NTC采集电压(转换为温度)值,外部电路已接,测量到GPIO引脚有电压值2.1V,将TSREF_EN置为1,且电压正常5V,已将GPIO配置为 ADC and OTUT inputs,读取GPIO1_HI(0x058E) 寄存器的值,回的只是80 00。