12F508 Microchip Technology, 12F508 Datasheet - Page 32

• Manufacturer Part Number: 12F508
• Description: Search -----> PIC12F508
• Manufacturer: Microchip Technology

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PIC12F508/509/16F505
TABLE 5-1:
DS41236B-page 30
N/A
N/A
N/A
N/A
N/A
03h
03h
06h
06h
07h
Legend:
Note 1:
Address
2:
3:
TRISGPIO
TRISB
TRISC
OPTION
OPTION
STATUS
STATUS
GPIO
PORTB
PORTC
Shaded cells are not used by Port registers, read as ‘0’. – = unimplemented, read as ‘0’, x = unknown, u = unchanged,
q = depends on condition.
PIC12F508/509 only.
PIC16F505 only.
If Reset was due to wake-up on pin change, then bit 7 = 1. All other Resets will cause bit 7 = 0.
Name
(1)
(2)
(2)
(2)
(2)
SUMMARY OF PORT REGISTERS
(1)
(2)
(1)
(2)
(1)
GPWUF
RBWUF
GPWU
RBWU
Bit 7
—
—
—
—
—
—
GPPU
RBPU
Bit 6
—
—
—
—
—
—
—
—
I/O Control Register
I/O Control Register
I/O Control Register
TOCS
TOCS
Bit 5
PAO
PAO
GP5
RB5
RC5
Preliminary
TOSE
TOSE
Bit 4
GP4
RB4
RC4
TO
TO
Bit 3
PSA
PSA
GP3
RB3
RC3
PD
PD
Bit 2
GP2
RB2
RC2
PS2
PS2
Z
Z
Bit 1
GP1
PS1
PS1
RB1
RC1
DC
DC
Bit 0
GP0
RB0
RC0
PS0
PS0
C
C
© 2005 Microchip Technology Inc.
--11 1111
--11 1111
--11 1111
1111 1111
1111 1111
0-01 1xxx
0-01 1xxx
--xx xxxx
--xx xxxx
--xx xxxx
Power-On
Value on
Reset
q00q quuu
q00q quuu
--11 1111
--11 1111
--11 1111
1111 1111
1111 1111
--uu uuuu
--uu uuuu
--uu uuuu
All Other
Value on
Resets
(3)
(3)