Datasheet

PIC16F688

TABLE 8-2: SUMMARY OF ASSOCIATED ADC REGISTERS

Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Value on

POR, BOR

Value on

all other

Resets

ADCON0 ADFM VCFG

— CHS2 CHS1 CHS0 GO/DONE ADON 00-0 0000 00-0 0000

ADCON1

— ADCS2 ADCS1 ADCS0 — — — — -000 ---- -000 ----

ANSEL ANS7 ANS6 ANS5 ANS4 ANS3 ANS2 ANS1 ANS0 1111 1111 1111 1111

ADRESH A/D Result Register High Byte xxxx xxxx uuuu uuuu

ADRESL A/D Result Register Low Byte xxxx xxxx uuuu uuuu

INTCON GIE PEIE

T0IE INTE RAIE T0IF INTF RAIF 0000 000x 0000 000x

PIE1

EEIE ADIE RCIE C2IE C1IE OSFIE TXIE TMR1IE 0000 0000 0000 0000

PIR1

EEIF ADIF RCIF C2IF C1IF OSFIF TXIF TMR1IF 0000 0000 0000 0000

PORTA

— — RA5 RA4 RA3 RA2 RA1 RA0 --x0 x000 --x0 x000

PORTC

— — RC5 RC4 RC3 RC2 RC1 RC0 --xx 0000 --xx 0000

TRISA

— — TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111 --11 1111

TRISC

— — TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111

Legend: x = unknown, u = unchanged, — = unimplemented read as ‘0’. Shaded cells are not used for ADC module.