PIC18F2525_08 Datasheet, PDF (17/412 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2525/2620/4525/4620
TABLE 1-2: PIC18F2525/2620 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin
Number
SPDIP,
SOIC
Pin Buffer
Type Type
Description
PORTC is a bidirectional I/O port.
RC0/T1OSO/T13CKI
RC0
T1OSO
T13CKI
11
I/O ST Digital I/O.
O
—
Timer1 oscillator output.
I
ST Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2⁽²⁾
12
I/O ST Digital I/O.
I Analog Timer1 oscillator input.
I/O ST Capture 2 input/Compare 2 output/PWM2 output.
RC2/CCP1
RC2
CCP1
13
I/O ST Digital I/O.
I/O ST Capture 1 input/Compare 1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14
I/O ST
Digital I/O.
I/O ST
I/O ST
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I²C™ mode.
RC4/SDI/SDA
RC4
SDI
SDA
15
I/O ST
Digital I/O.
I
ST
I/O ST
SPI data in.
I²C data I/O.
RC5/SDO
RC5
SDO
16
I/O ST
Digital I/O.
O
—
SPI data out.
RC6/TX/CK
RC6
TX
CK
17
I/O ST
Digital I/O.
O
—
EUSART asynchronous transmit.
I/O ST
EUSART synchronous clock (see related RX/DT).
RC7/RX/DT
RC7
RX
DT
18
I/O ST
Digital I/O.
I
ST
EUSART asynchronous receive.
I/O ST
EUSART synchronous data (see related TX/CK).
RE3
—
—
— See MCLR/VPP/RE3 pin.
VSS
8, 19
P
— Ground reference for logic and I/O pins.
VDD
20
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
Note 1: Default assignment for CCP2 when the CCP2MX Configuration bit is set.
2: Alternate assignment for CCP2 when the CCP2MX Configuration bit is cleared.
© 2008 Microchip Technology Inc.
DS39626E-page 15