Datasheet

PIC12F635/PIC16F636/639

TABLE 6-1: SUMMARY OF REGISTERS ASSOCIATED WITH TIMER1

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

CMCON1 — — — — — — T1GSS CMSYNC ---- --10 00-- --10

INTCON GIE PEIE

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

PIE1

EEIE LVDIE CRIE C2IE

(1)

C1IE OSFIE —TMR1IE000- 00-0 000- 00-0

PIR1

EEIF LVDIF CRIF C2IF

(1)

C1IF OSFIF —TMR1IF

000- 00-0 000- 00-0

TMR1H Holding Register for the Most Significant Byte of the 16-bit TMR1 Register xxxx xxxx uuuu uuuu

TMR1L Holding Register for the Least Significant Byte of the 16-bit TMR1 Register xxxx xxxx uuuu uuuu

T1CON T1GINV TMR1GE T1CKPS1 T1CKPS0 T1OSCEN T1SYNC

TMR1CS TMR1ON 0000 0000 uuuu uuuu

Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by the Timer1 module.

Note 1: PIC16F636/639 only.