PIC16F631_08 Datasheet, PDF (70/306 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
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
ADCON0
ADFM
VCFG
CHS3
CHS2
CHS1
CHS0 _GO/DONE ADON
0000 0000
ANSEL
ANS7
ANS6
ANS5
ANS4
ANS3
ANS2
ANS1
ANS0
1111 1111
CM1CON0
C1ON C1OUT C1OE C1POL
—
C1R
C1CH1 C1CH0 0000 -000
INTCON
GIE
PEIE
T0IE
INTE
RABIE
T0IF
INTF
RABIF 0000 000x
IOCA
—
—
IOCA5 IOCA4
IOCA3
IOCA2
IOCA1
IOCA0 --00 0000
OPTION_REG RABPU INTEDG T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
PORTA
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--xx xxxx
SSPCON
WCOL SSPOV SSPEN
CKP
SSPM3 SSPM2 SSPM1 SSPM0 0000 0000
T1CON
T1GINV TMR1GE T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON 0000 0000
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
0000 0000
1111 1111
0000 -000
0000 000x
--00 0000
1111 1111
--uu uuuu
0000 0000
uuuu uuuu
--11 1111
--11 -111
DS41262E-page 68
© 2008 Microchip Technology Inc.