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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1277341/am2634-what-do-i-do-with-analog-vref-pins-if-not-using-analog-features
您好！
我使用的是 AM2634器件、没有使用 模拟特性。 我们应该如何 处理 ADC VREF 引脚？
我问的是、因为在引脚连接要求中、其他模拟引脚在不使用时指定为接地、例如 ADC ZCZ PIN、U16、T15。 请参见随附的屏幕截图。
您好、Karla、
如果 ADC 未使用、VREFHI 和 VREFLO 引脚可以保持悬空。
https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1094793/am2634-q1-proper-pin-connections-when-not-using-any-of-the-adc-subsystem/4054510?tisearch=e2e-sitesearch&keymatch=VREFHI%2525252520AND%2525252520unused#4054510
