PIC18F1XK22 Datasheet, PDF (14/388 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F1XK22/LF1XK22
TABLE 1-2: PIC18F1XK22/LF1XK22 PIN SUMMARY
Pin Name
Pin
Number _Pin
Type
Buffer
Type
Description
RB6/SCK/SCL
RB6
SCK
SCL
RB7/TX/CK
RB7
TX
CK
RC0/AN4/C2IN+
RC0
AN4
C2IN+
RC1/AN5/C12IN-/INT1
RC1
AN5
C12IN-
INT1
RC2/AN6/C12IN2-/P1D/INT2
RC2
AN6
C12IN2-
P1D
RC3/AN7/C12IN3-/P1C/PGM
RC3
AN7
C12IN3-
P1C
PGM
RC4/C12OUT/P1B/SRQ
RC4
C12OUT
P1B
SRNQ
RC5/CCP1/P1A
RC5
CCP1
P1A
RC6/AN8/SS
RC6
AN8
SS
RC7/AN9/SDO
RC7
AN9
SDO
VSS
VDD
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input
O = Output
XTAL= Crystal Oscillator
11 8
I/O
TLL
I/O
ST
I/O
ST
Digital I/O
Synchronous serial clock input/output for SPI mode
Synchronous serial clock input/output for I²C™ mode
10 7
I/O
TLL
O CMOS
I/O
ST
Digital I/O
EUSART asynchronous transmit
EUSART synchronous clock (see related RX/DT)
16 13
I/O
ST
I Analog
I Analog
Digital I/O
ADC channel 4
Comparator C2 non-inverting input
15 12
I/O
ST
I Analog
I Analog
I
ST
Digital I/O
ADC channel 5
Comparator C1 and C2 non-inverting input
External interrupt 0
14 11
I/O
ST
I Analog
I Analog
O CMOS
Digital I/O
ADC channel 6
Comparator C1 and C2 inverting input
Enhanced CCP1 PWM output
74
I/O
ST
I Analog
I Analog
O CMOS
I/O
ST
Digital I/O
ADC channel 7
Comparator C1 and C2 inverting input
Enhanced CCP1 PWM output
Low-Voltage ICSP Programming enable pin
63
I/O
ST
O CMOS
O CMOS
O CMOS
Digital I/O
Comparator C1 and C2 output
Enhanced CCP1 PWM output
SR latch output
52
I/O
ST
I/O
ST
O CMOS
Digital I/O
Capture 1 input/Compare 1 output/PWM 1 output
Enhanced CCP1 PWM output
85
I/O
ST
I Analog
I
TTL
Digital I/O
ADC channel 8
SPI slave select input
96
I/O
ST
I Analog
O CMOS
Digital I/O
ADC channel 9
SPI data out
20 17 P
— Ground reference for logic and I/O pins
1 18 P
— Positive supply for logic and I/O pins
CMOS = CMOS compatible input or output
I
= Input
P
= Power
DS41365D-page 14
Preliminary
 2010 Microchip Technology Inc.