PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 16
PIC18F2420
Manufacturer Part Number
PIC18F2420
Description
28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2420.pdf
(390 pages)
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PIC18F2420/2520/4420/4520
TABLE 1-2:
DS39631A-page 14
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
RB3/AN9/CCP2
RB4/KBI0/AN11
RB5/KBI1/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
Legend: TTL = TTL compatible input
Note 1: Default assignment for CCP2 when configuration bit CCP2MX is set.
RB0
INT0
FLT0
AN12
RB1
INT1
AN10
RB2
INT2
AN8
RB3
AN9
CCP2
RB4
KBI0
AN11
RB5
KBI1
PGM
RB6
KBI2
PGC
RB7
KBI3
PGD
2: Alternate assignment for CCP2 when configuration bit CCP2MX is cleared.
Pin Name
(1)
ST = Schmitt Trigger input with CMOS levels
O
= Output
PIC18F2420/2520 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP,
SOIC
Pin Number
21
22
23
24
25
26
27
28
QFN
18
19
20
21
22
23
24
25
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
Preliminary
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
Digital I/O.
External interrupt 1.
Analog input 10.
Digital I/O.
External interrupt 2.
Analog input 8.
Digital I/O.
Analog input 9.
Capture 2 input/Compare 2 output/PWM 2 output.
Digital I/O.
Interrupt-on-change pin.
Analog input 11.
Digital I/O.
Interrupt-on-change pin.
Low-Voltage ICSP™ Programming enable pin.
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
Digital I/O.
External interrupt 0.
PWM Fault input for CCP1.
Analog input 12.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
2004 Microchip Technology Inc.
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