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ADS131M03: 打印输出的电压值与实际输入电压值对不上。

Part Number: ADS131M03

你好,我想咨询下:实际输入电压与打印输出电压不一致,我环境是这样的:ADC芯片位ADS131M03,MCU为STM32103

初始化:

SPI传递函数变更:

主函数输出电压值:

实际输出的电压值:

不清楚哪里错了-。-