Datasheet
PIC18F/LF1XK50
DS41350E-page 4 Preliminary 2010 Microchip Technology Inc.
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Pin Diagrams
Pin Diagrams
Device
Program Memory Data Memory
I/O
(1)
10-bit
A/D
(ch)
(2)
ECCP
(PWM)
MSSP
EUSART
Comp.
Timers
8/16-bit
USB
Flash
(bytes)
# Single-Word
Instructions
SRAM
(bytes)
EEPROM
(bytes)
SPI
Master
I
2
C™
PIC18F13K50/
PIC18LF13K50
8K 4096 512
(3)
256 15 11 1 Y Y 1 2 1/3 Y
PIC18F14K50/
PIC18LF14K50
16K 8192 768
(3)
256 15 11 1 Y Y 1 2 1/3 Y
Note 1: One pin is input only.
2: Channel count includes internal Fixed Voltage Reference (FVR) and Programmable Voltage Reference (CV
REF) channels.
3: Includes the dual port RAM used by the USB module which is shared with the data memory.
20-pin PDIP, SSOP, SOIC (300 MIL)
10
2
3
4
5
6
1
8
7
9
11
12
13
14
15
16
19
20
18
17
VDD
RA5/IOCA5/OSC1/CLKIN
RA4/AN3/IOCA3/OSC2/CLKOUT
RA3/IOCA3/MCLR
/VPP
RC5/CCP1/P1A/T0CKI
RC4/P1B/C12OUT/SRQ
RC3/AN7/P1C/C12IN3-/PGM
RC6/AN8/SS
/T13CKI/T1OSCI
RC7/AN9/SDO/T1OSCO
RB7/IOCB7/TX/CK
V
SS
RA0/IOCA0/D+/PGD
RA1/IOCA1/D-/PGC
VUSB
RC0/AN4/C12IN+/INT0/V
REF+
RC1/AN5/C12IN1-/INT1/V
REF-
RC2/AN6/P1D/C12IN2-/CV
REF/INT2
RB4/AN10/IOCB4/SDI/SDA
RB5/AN11/IOCB5/RX/DT
RB6/IOCB6/SCK/SCL
PIC18F/LF1XK50
20-pin QFN (5x5)
89
2
3
1
14
15
16
10
11
6
12
13
17181920
7
5
4
PIC18F1XK50/
PIC18LF1XK50
RA3/MCLR/VPP
RC5/CCP1/P1A/T0CKI
RC4/P1B/C12OUT/SRQ
RC3/AN7/P1C/C12IN3-/PGM
RC6/AN8/SS
/T13CKI/T1OSCI
RC7/AN9/SDO/T1OSCO
RB7/TX/CK
RB4/AN10/SDI/SDA
RB5/AN11/RX/DT
RB6/SCK/SCL
RC2/AN6/P1D/C12IN2-/CVREF/INT2
RC1/AN1/C12IN1-/INT1/VREF-
RC0/AN4/C12IN+/INT0/VREF+
VUSB
RA1/D-/PGC
RA0/D+/PGD
Vss
VDD
RA4/AN3/OSC2/CLKO
RA5/OSC1/CLKI