PIC18F1XK22 Datasheet, PDF (82/388 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F1XK22/LF1XK22
REGISTER 8-3: LATA: PORTA DATA LATCH REGISTER
U-0
—
bit 7
U-0
R/W-x
R/W-x
U-0
—
LATA5
LATA4
—
R/W-x
LATA2
R/W-x
LATA1
R/W-x
LATA0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-4
bit 3
bit 2-0
Unimplemented: Read as ‘0’
LATA<5:4>: RA<5:4> Port I/O Output Latch Register bits
Unimplemented: Read as ‘0’
LATA<2:0>: RA<2:0> Port I/O Output Latch Register bits
REGISTER 8-4: WPUA: WEAK PULL-UP PORTA REGISTER
U-0
—
bit 7
U-0
R/W-1
R/W-1
R/W-1
R/W-1
—
WPUA5
WPUA4
WPUA3
WPUA2
R/W-1
WPUA1
R/W-1
WPUA0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-0
Unimplemented: Read as ‘0’
WPUA<5:0>: Weak Pull-up Enable bit
1 = Pull-up enabled
0 = Pull-up disabled
REGISTER 8-5: IOCA: INTERRUPT-ON-CHANGE PORTA REGISTER
U-0
—
bit 7
U-0
R/W-0
R/W-0
R/W-0
R/W-0
—
IOCA5
IOCA4
IOCA3
IOCA2
R/W-0
IOCA1
R/W-0
IOCA0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-0
Unimplemented: Read as ‘0’
IOCA<5:0>: PORTA I/O Pin bit
1 = Interrupt-on-change enabled
0 = Interrupt-on-change disabled
DS41365D-page 82
Preliminary
 2010 Microchip Technology Inc.