33.2.6 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-conversioin Trigger Source |
|---|---|
11111 |
Software write to ADPCH |
11110 |
Reserved, do not use |
11101 |
Software read of ADRESH |
11100 |
Software read of ADERRH |
11000 to
11011 |
Reserved, do not use |
10111 |
CLC8_out |
10110 |
CLC7_out |
10101 |
CLC6_out |
10100 |
CLC5_out |
10011 |
CLC4_out |
10010 |
CLC3_out |
10001 |
CLC2_out |
10000 |
CLC1_out |
01111 |
Interrupt-on-change Interrupt Flag |
01110 |
C2_out |
01101 |
C1_out |
01100 |
PWM4_out |
01011 |
PWM3_out |
01010 |
CCP2_trigger |
01001 |
CCP1_trigger |
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 |