PIC12F639 Microchip Technology, PIC12F639 Datasheet - Page 50

• Manufacturer Part Number: PIC12F639
• Description: (PIC12F635 / PIC12F636 / PIC12F639) 8/14-PIN FLASH-BASED / 8-BIT CMOS MICROCONTROLLERS WITH NANOWATT TECHNOLOGY
• Manufacturer: Microchip Technology

PIC12F635/PIC16F636/639
TABLE 4-1:
DS41232B-page 48
05h PORTA
0Bh/
8Bh
0Eh TMR1L
0Fh TMR1H
10h T1CON
1Ah CMCON1
19h CMCON0
81h OPTION_REG RAPU INTEDG
85h TRISA
95h WPUDA
96h IOCA
97h WDA
Legend:
Add
r
INTCON
Name
x = unknown, u = unchanged, — = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Holding Register for the Least Significant Byte of the 16-bit TMR1 Register
Holding Register for the Most Significant Byte of the 16-bit TMR1 Register
T1GINV TMR1GE T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON 0000 0000 uuuu uuuu
C2OUT C1OUT
Bit 7
GIE
—
—
—
—
—
—
PEIE
Bit 6
—
—
—
—
—
—
WPUDA5 WPUDA4
TRISA5
C2INV
IOCA5
WDA5
T0CS
Bit 5
T0IE
RA5
—
TRISA4
C1INV
IOCA4
WDA4
T0SE
INTE
Bit 4
RA4
—
Preliminary
TRISA3
IOCA3
RAIE
Bit 3
PSA
RA3
CIS
—
—
—
WPUDA2 WPUDA1 WPUDA0 --11 -111 --11 -111
TRISA2
IOCA2
WDA2
Bit 2
T0IF
CM2
RA2
PS2
—
TRISA1
T1GSS C2SYNC ---- --10 ---- --10
IOCA1
WDA1
INTF
Bit 1
CM1
RA1
PS1
TRISA0 --11 1111 --11 1111
IOCA0
WDA0
© 2005 Microchip Technology Inc.
RAIF
Bit 0
CM0
RA0
PS0
POR, BOD,
--xx xx00 --uu uu00
0000 0000 0000 0000
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
0000 0000 0000 0000
1111 1111 1111 1111
--00 0000 --00 0000
--11 -111 --11 -111
Value on:
WUR
Value on
all other
Resets