Part Number: TMS320F280049
Tool/software: Code Composer Studio
Hi,
I now deal with the PGA, my task now is to trim the ADC of the PGA output signal. But I encountered the following problem:
as far as I understand, the PGA module has two outputs. These are PGA_OUT and PGA_OF. I was able to launch the PGA module without any problems (in my case I work with the PGA2). And I was also able to process the output value of the PGA module from the PGA_OF output by the ADC module. I processed it with the corresponding ADC channel which coincides with the PGA_OF leg (Table 4-1).
Но я хочу обрабатывать выходное значение PGA без применения фильтра, т.е. ключ PGACTL[FILTRESSEL] находится в разомкнутом состоянии (этому состоянию соответствует запись 0 в регистр FILTRESSEL), а сигнал на модуль АЦП постумает с выхода PGA_OUT.
I can not understand how I can tell the microcontroller information that any particular ADC channel should process the signal from the PGA_OUT output of the PGA2 module. Or this information is already embedded in the MK, and I just need to know which PGA_OUT output of each PGA module corresponds to a certain ADC channel. At the moment I could not find such information in the documentation. I cannot understand with which ADC channel the pin PGA_OUT of each PGA module is connected.
Can you help with this problem?
