PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 17

• Manufacturer Part Number: PIC18F2420-I/SOC01
• Description: 28 pin, 16 kb flash, 3804 ram, 25 i/o...
• Manufacturer: Microchip

TABLE 1-2:
© 2008 Microchip Technology Inc.
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RE3
V
V
Legend: TTL = TTL compatible input
Note 1: Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
SS
DD
RC0
T1OSO
T13CKI
RC1
T1OSI
CCP2
RC2
CCP1
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
PIC18F2420/2520 PINOUT I/O DESCRIPTIONS (CONTINUED)
SPDIP,
SOIC
8, 19
Pin Number
12
13
14
15
16
17
18
20
11
—
5, 16
QFN
10
11
12
13
14
15
17
—
8
9
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
P
P
I
I
I
I
PIC18F2420/2520/4420/4520
Analog
Buffer
Type
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
PORTC is a bidirectional I/O port.
See MCLR/V
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
Digital I/O.
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM1 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.
CMOS = CMOS compatible input or output
I
P
PP
= Input
= Power
/RE3 pin.
Description
DS39631E-page 15
2
C™ mode.