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Using ADCBSY bit in f28035

Tien Truong DUc
Intellectual 615 points

Could I ignore checking ADCBSY bit status before get ADCRESULT for caculation in PWM_Isr?

I mean that can i delete following code before caculation:

while(...ADCBSY == 1) { asm(" NOP");}

  • 0
    TI__Guru 60865 points
    Hi Tien,

    It is hard to say that you can ignore this without the context of what this is being used for. Is this code from a TI example or kit software?

    I don't see the busy bit being used very often; a better solution to ensure that results have latched is to setup an ADC ISR flag to be set based on the last SOC in a set of conversions, and then clear that flag when you read the results.