PIC16F688 Datasheet, PDF (41/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
TABLE 4-1: SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on: Value on all
POR, BOD other Resets
05h/105h PORTA
—
—
RA5
RA4
RA3
RA2
RA1
RA0 --xx xx00
0Bh/8Bh INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF 0000 0000
19h
CMCON0
C2OUT C1OUT C2INV C1INV
CIS
CM2
CM1
CM0 0000 0000
81h
OPTION_REG RAPU INTEDG T0CS T0SE
PSA
PS2
PS1
PS0 1111 1111
85h/185h TRISA
—
—
TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111
91h
ANSEL
ANS7 ANS6 ANS5 ANS4 ANS3 ANS2 ANS1 ANS0 1111 1111
95h
WPUA
—
—
WPUA5 WPUA4
—
WPUA2 WPUA1 WPUA0 --11 -111
96h
IOCA
—
—
IOCA5 IOCA4 IOCA3 IOCA2 IOCA1 IOCA0 --00 0000
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
--uu uu00
0000 0000
0000 0000
1111 1111
--11 1111
1111 1111
--11 -111
--00 0000
 2004 Microchip Technology Inc.
Preliminary
DS41203B-page 39