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