PIC18F2455_07 Datasheet, PDF (17/430 Pages) Microchip Technology – 28/40/44-Pin, High Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
TABLE 1-2: PIC18F2455/2550 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin
Number _Pin
PDIP, ^Type
SOIC
Buffer
Type
Description
PORTC is a bidirectional I/O port.
RC0/T1OSO/T13CKI
RC0
T1OSO
T13CKI
11
I/O ST
O
—
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2/UOE
12
RC1
I/O ST
Digital I/O.
T1OSI
CCP2⁽²⁾
I CMOS
I/O ST
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM 2 output.
UOE
—
—
External USB transceiver OE output.
RC2/CCP1
RC2
CCP1
13
I/O ST
I/O ST
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
RC4/D-/VM
RC4
D-
VM
15
I
TTL
I/O —
I
TTL
Digital input.
USB differential minus line (input/output).
External USB transceiver VM input.
RC5/D+/VP
RC5
D+
VP
16
I
TTL
I/O —
O TTL
Digital input.
USB differential plus line (input/output).
External USB transceiver VP input.
RC6/TX/CK
RC6
TX
CK
17
I/O ST
O
—
I/O ST
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see RX/DT).
RC7/RX/DT/SDO
RC7
RX
DT
SDO
18
I/O ST
I
ST
I/O ST
O
—
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see TX/CK).
SPI data out.
RE3
—
—
— See MCLR/VPP/RE3 pin.
VUSB
14
O
— Internal USB 3.3V voltage regulator.
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: Alternate assignment for CCP2 when CCP2MX Configuration bit is cleared.
2: Default assignment for CCP2 when CCP2MX Configuration bit is set.
© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 15