PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 21

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 1-3:
 2004 Microchip Technology Inc.
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1/P1A
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
Legend: TTL = TTL compatible input
Note 1: Default assignment for CCP2 when configuration bit CCP2MX is set.
RC0
T1OSO
T13CKI
RC1
T1OSI
CCP2
RC2
CCP1
P1A
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
RC6
TX
CK
RC7
RX
DT
2: Alternate assignment for CCP2 when configuration bit CCP2MX is cleared.
Pin Name
(2)
ST = Schmitt Trigger input with CMOS levels
O
= Output
PIC18F4420/4520 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP
15
16
17
18
23
24
25
26
Pin Number
QFN TQFP
34
35
36
37
42
43
44
1
32
35
36
37
42
43
44
1
PIC18F2420/2520/4420/4520
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/O
I/O
I/O
O
O
O
O
I
I
I
I
Preliminary
CMOS
Buffer
Type
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
CMOS = CMOS compatible input or output
I
P
PORTC is a bidirectional I/O port.
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
Digital I/O.
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM 2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
Enhanced CCP1 output.
Digital I/O.
Synchronous serial clock input/output for
SPI™ mode.
Synchronous serial clock input/output for I
Digital I/O.
SPI data in.
I
Digital I/O.
SPI data out.
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX/DT).
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX/CK).
2
C data I/O.
= Input
= Power
Description
DS39631A-page 19
2
C™ mode.