32.2.6 Auto-Conversion Trigger
The auto-conversion trigger allows periodic ADC measurements without software intervention. When a rising edge of the selected source occurs, the ADGO bit is set by hardware.
The auto-conversion trigger source is selected with the ADACT bits.
Using the auto-conversion trigger does not assure proper ADC timing. It is the user’s responsibility to ensure that the ADC timing requirements are met. See the following table for auto-conversion sources.
| ADACT | Auto-Conversion Trigger Source |
|---|---|
11111 |
Software write to ADPCH |
11110 |
Reserved, do not use |
11101 |
Software read of ADRESH |
11100 |
Software read of ADERRH |
11011 to
11000 |
Reserved, do not use |
10111 |
Interrupt-on-change Interrupt Flag |
10110 |
CMP3OUT |
10101 |
CMP2OUT |
10100 |
CMP1OUT |
10011 |
PWM7OUT |
10010 |
PWM6OUT |
10001 |
CCP5OUT |
10000 |
CCP4OUT |
01111 |
CCP3OUT |
01110 |
CCP2OUT |
01101 |
CCP1OUT |
01100 |
SMT2_overflow |
01011 |
SMT1_overflow |
01010 |
TMR8_postscaled |
01001 |
TMR7_overflow |
01000 |
TMR6_postscaled |
00111 |
TMR5_overflow |
00110 |
TMR4_postscaled |
00101 |
TMR3_overflow |
00100 |
TMR2_postscaled |
00011 |
TMR1_overflow |
00010 |
TMR0_overflow |
00001 |
Pin selected by ADACTPPS |
00000 |
External trigger disabled |