Datasheet

PIC16F630/676

TABLE 3-1: SUMMARY OF REGISTERS ASSOCIATED WITH PORTA

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

Value on:

POR,

BOD

Value on

all

other

RESETS

05h PORTA — — RA5 RA4 RA3 RA2 RA1 RA0 --xx xxxx --uu uuuu

0Bh/8Bh INTCON GIE

PEIE T0IE INTE RAIE T0IF INTF RAIF 0000 0000 0000 000u

19h CMCON

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

81h OPTION_REG RAPU

INTEDG T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111

85h TRISA

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

91h ANSEL

(1)

ANS7 ANS6 ANS5 ANS4

ANS3 ANS2 ANS1 ANS0

1111 1111 1111 1111

95h WPUA

— — WPUA5 WPUA4 — WPUA2 WPUA1 WPUA0 --11 -111 --11 -111

96h IOCA

— — IOCA5 IOCA4 IOCA3 IOCA2 IOCA1 IOCA0 --00 0000 --00 0000

Note 1: PIC16F676 only.

Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells are not used by PORTA.