PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 58

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC12F635/PIC16F636/639
TABLE 4-1:
DS41232D-page 56
PORTA
INTCON
TMR1L
TMR1H
T1CON
CMCON1
CMCON0
OPTION_REG
TRISA
WPUDA
IOCA
WDA
Legend:
Name
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by 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
C2OUT
RAPU
Bit 7
GIE
—
—
—
—
—
—
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
TMR1GE
INTEDG
C1OUT
Bit 6
PEIE
—
—
—
—
—
—
T1CKPS1
WPUDA5
TRISA5
IOCA5
C2INV
WDA5
T0CS
Bit 5
T0IE
RA5
—
T1CKPS0 T1OSCEN
WPUDA4
TRISA4
C1INV
IOCA4
WDA4
T0SE
INTE
Bit 4
RA4
—
TRISA3
IOCA3
RAIE
Bit 3
PSA
RA3
CIS
—
—
—
WPUDA2
T1SYNC
TRISA2
IOCA2
WDA2
Bit 2
CM2
RA2
T0IF
PS2
—
WPUDA1
TMR1CS
TRISA1
T1GSS
IOCA1
WDA1
Bit 1
INTF
CM1
RA1
PS1
TMR1ON
WPUDA0
CxSYNC
TRISA0
IOCA0
WDA0
Bit 0
RAIF
CM0
RA0
PS0
© 2007 Microchip Technology Inc.
--xx xx00
0000 000x
xxxx xxxx
xxxx xxxx
0000 0000
---- --10
0000 0000
1111 1111
--11 1111
--11 -111
--00 0000
--11 -111
POR, BOR,
Value on
WUR
other Resets
Value on all
--uu uu00
0000 000x
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- --10
0000 0000
1111 1111
--11 1111
--11 -111
--00 0000
--11 -111