PIC18F4580 Datasheet, PDF (17/484 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2480/2580/4480/4580
TABLE 1-2: PIC18F2480/2580 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
SPDIP,
SOIC
QFN
Type
Type
Description
PORTC is a bidirectional I/O port.
RC0/T1OSO/T13CKI 11
RC0
T1OSO
T13CKI
8
I/O ST
O
—
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI
RC1
T1OSI
12 9
I/O ST
Digital I/O.
I CMOS Timer1 oscillator input.
RC2/CCP1
RC2
CCP1
13 10
I/O ST
I/O ST
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14 11
I/O ST
I/O ST
I/O ST
Digital I/O.
Synchronous serial clock input/output for SPI™ mode.
Synchronous serial clock input/output for I²C™ mode.
RC4/SDI/SDA
RC4
SDI
SDA
15 12
I/O ST
I
ST
I/O ST
Digital I/O.
SPI data in.
I²C data I/O.
RC5/SDO
RC5
SDO
16 13
I/O ST
O
—
Digital I/O.
SPI data out.
RC6/TX/CK
RC6
TX
CK
17 14
I/O ST
O
—
I/O ST
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX/DT).
RC7/RX/DT
RC7
RX
DT
18 15
I/O ST
I
ST
I/O ST
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX/CK).
RE3
— ——
— See MCLR/VPP/RE3 pin.
VSS
8, 19 5, 16 P
— Ground reference for logic and I/O pins.
VDD
20 17 P
— Positive supply for logic and I/O pins.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
CMOS = CMOS compatible input or output
I
= Input
P
= Power
 2004 Microchip Technology Inc.
Preliminary
DS39637A-page 15