CCS/TMS320F28379D: Connect DAC output or ADCIN value to the comparator

Min Zhang

Tool/software: Code Composer Studio

I use a DACA to produce DACOUTA (analog output), i am trying to make this output connect to CMPIN1P (the positive side of the comparator 1), i don't know how can i do it by using code. I didn't see any register and examples. Also, for the ADCINA2, it is the output for the LEM, and it is also analog signal, if i connect this ADCIN result directly to CMPIN1P, how can i do that?

Thank you very much for helping me

min

over 8 years ago

0 Frank Ankapong over 8 years ago

TI__Mastermind 28275 points

Hi Min,

DACOUTA cannot be connected to CMPIN1P/ADCINA2 internally. You would have to use an external connection like a jumper wire etc. ADCINA2 and CMPIN1P share the same pin. The ADC and CMPSS can use the pin at the same time, no extra configuration required.

0 Min Zhang over 8 years ago in reply to Frank Ankapong

Intellectual 450 points

THank you so much, it do answer my question!

0 Frank Ankapong over 8 years ago in reply to Min Zhang

TI__Mastermind 28275 points

You are welcome Min. Be sure to let us know if you have any more questions.

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CCS/TMS320F28379D: Connect DAC output or ADCIN value to the comparator