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TMS32F28337S

Other Parts Discussed in Thread: TMS320F28377S

28377S中ADCIN14和ADC15引脚怎样使用?我想配置ADCIN14和ADCIN15为差分输入,16bit

  • Analog Subsystem

    –Up to Four Analog-to-Digital Converters (ADCs)

    – 16-Bit Mode

    – 1.1 MSPS Each (up to 4.4-MSPS System Throughput)

    – Differential Inputs

    – Up to 12 External Channels

    tms320f28377s.pdf 数据手册中有说明。你可以参考ccs里面的示例代码。

    ADCIN14  Input 14 to all ADCs. This pin can be used as a generalpurpose ADCIN pin or it can be used to calibrate all ADCs together (either single-ended or differential) from an external reference.

    CMPIN4P I Comparator 4 positive input

    ADCIN15  Input 15 to all ADCs. This pin can be used as a generalpurpose ADCIN pin or it can be used to calibrate all ADCs together (either single-ended or differential) from an external reference.

    CMPIN4N I Comparator 4 negative input