PIC18F2220 Datasheet, PDF (14/388 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
TABLE 1-2: PIC18F2220/2320 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
PDIP SOIC ^{Type Type}
Description
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
RB0/AN12/INT0
RB0
AN12
INT0
21 21
I/O TTL
Digital I/O.
I Analog Analog input 12.
I
ST
External interrupt 0.
RB1/AN10/INT1
RB1
AN10
INT1
22 22
I/O TTL
Digital I/O.
I Analog Analog input 10.
I
ST
External interrupt 1.
RB2/AN8/INT2
RB2
AN8
INT2
23 23
I/O TTL
Digital I/O.
I Analog Analog input 8.
I
ST
External interrupt 2.
RB3/AN9/CCP2
RB3
AN9
CCP2⁽¹⁾
24 24
I/O TTL
Digital I/O.
I Analog Analog input 9.
I/O ST
Capture2 input, Compare2 output, PWM2 output.
RB4/AN11/KBI0
RB4
AN11
KBI0
25 25
I/O TTL
Digital I/O.
I Analog Analog input 11.
I
TTL
Interrupt-on-change pin.
RB5/KBI1/PGM
RB5
KBI1
PGM
26 26
I/O TTL
I TTL
I/O ST
Digital I/O.
Interrupt-on-change pin.
Low-voltage ICSP programming enable pin.
RB6/KBI2/PGC
RB6
KBI2
PGC
27 27
I/O TTL
I TTL
I/O ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
28 28
I/O TTL
I TTL
I/O ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open-drain (no diode to VDD)
CMOS = CMOS compatible input or output
I
= Input
P = Power
Note 1: Default assignment for CCP2 when CCP2MX (CONFIG3H<0>) is set.
2: Alternate assignment for CCP2 when CCP2MX is cleared.
DS39599C-page 12
 2003 Microchip Technology Inc.