PIC16F676-I Datasheet, PDF (27/132 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers

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.
 2010 Microchip Technology Inc.
DS40039F-page 27