PIC16F688
TABLE 4-1: SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
ANSEL
ANS7
ANS6
ANS5
ANS4
ANS3
ANS2
ANS1
ANS0
1111 1111
CMCON0
C2OUT C1OUT C2INV C1INV
CIS
CM2
CM1
CM0
0000 0000
PCON
—
—
ULPWUE SBOREN
—
—
POR
BOR
--01 --qq
INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF
0000 000x
IOCA
—
—
IOCA5 IOCA4 IOCA3 IOCA2 IOCA1 IOCA0 --00 0000
OPTION_REG
RAPU INTEDG T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
PORTA
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--x0 x000
TRISA
—
—
TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111
WPUA
—
—
WPUA5 WPUA4
—
WPUA2 WPUA1 WPUA0 --11 -111
Legend: x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
Value on
all other
Resets
1111 1111
0000 0000
--0u --uu
0000 000x
--00 0000
1111 1111
--x0 x000
--11 1111
--11 -111
© 2007 Microchip Technology Inc.
DS41203C-page 41