Datasheet

PIC12F635/PIC16F636/639

TABLE 7-2: SUMMARY OF REGISTERS ASSOCIATED WITH THE COMPARATOR AND VOLTAGE

REFERENCE MODULES

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

CMCON0

—COUT— CINV CIS CM2 CM1 CM0 -0-0 0000 -0-0 0000

CMCON1

— — — — — — T1GSS CMSYNC ---- --10 ---- --10

INTCON GIE PEIE

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

PIE1

EEIE LVDIE CRIE —C1IEOSFIE — TMR1IE 000- 00-0 000- 00-0

PIR1

EEIF LVDIF CRIF —C1IFOSFIF — TMR1IF 000- 00-0 000- 00-0

PORTA

— — RA5 RA4 RA3 RA2 RA1 RA0 --xx xxxx --uu uuuu

PORTC

— — RC5 RC4 RC3 RC2 RC1 RC0 --xx xxxx --uu uuuu

TRISA

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

TRISC

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

VRCON VREN

—VRR— VR3 VR2 VR1 VR0 0-0- 0000 0-0- 0000

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