This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

28335ADC时,无法采集到外部电压信号。

Other Parts Discussed in Thread: CONTROLSUITE

28335作PWM触发的ADC,外部电压范围合适,外部信号的地接开发板的地引脚,外部电压信号接ADC输入引脚,这里使用的是ADCAIN2,但是采集回来的都是杂波,不是要得到的信号。请问是什么问题?

  • 如果测得DSP的AD引脚输入信号没问题,那可能是ADC的初始化不对,你可以参考一下controlSUITE中的例程的初始化

    C:\ti\controlSUITE\device_support\f2833x\v133\DSP2833x_examples_ccsv4