CCS/TMS320F28335: ADC channel assignment in "HVACI_Sensored"

lio messi

Part Number: TMS320F28335
Other Parts Discussed in Thread: CONTROLSUITE

Tool/software: Code Composer Studio

Hi community,

I'm learning using ADCs. According to SPRU812, when operating in single 8-state sequencer (SEQ1), only CONV00 to CONV07 are allowed to be assigned to ADCCHSELSEQ1. However, in "HVACI_Sensored" code, (C:\ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.1), we have :

AdcRegs.ADCCHSELSEQ1.bit.CONV02 = ChSel[2]; where ChSel[2] is "9" ! in other words, ADC B1 is assigned to ADCCHSELSEQ1. Isn't it contrary to the Table1-2 of SPRU812 ?

Regards.

over 4 years ago

0 tlee over 4 years ago

TI__Guru 62975 points

Lio,

That example is written for F28035, which has a different architecture from F28335.

You can see the F2803x TRM for F28035 details or you can reference another example with a _2833x suffix for F28335 content.

-Tommy

0 lio messi over 4 years ago in reply to tlee

Expert 1185 points

Hi Tommy!

Thanks for the reply. Is there any example written for 28335 in power electronic application which contains the current sampling using ADC?

Regards

0 tlee over 4 years ago in reply to lio messi

TI__Guru 62975 points

Lio,

There are multiple examples in the directory that you referenced. Two are _2833x examples:

Most of the active kits are based on newer devices. There are a couple of kits that use F2833x.

-Tommy

0 lio messi over 4 years ago in reply to tlee

Expert 1185 points

Hi Tommy!

Thank you. Actually I have considered these examples.

Best regards.

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CCS/TMS320F28335: ADC channel assignment in "HVACI_Sensored"