PIC18F4550-I/ML Microchip Technology Inc., PIC18F4550-I/ML Datasheet - Page 17

• Manufacturer Part Number: PIC18F4550-I/ML
• Description: 44 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4550-I/ML

• A/d Inputs: 13-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 34
• Interface: I2C/SPI/UART/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin QFN
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 1-2:
© 2006 Microchip Technology Inc.
RC0/T1OSO/T1CKI
RC1/T1OSI/UOE
RC2/CCP1
RC4/D-/VM
RC5/D+/VP
RC6/TX/CK
RC7/RX/DT
RE3
V
V
V
Legend: TTL = TTL compatible input
USB
SS
DD
RC0
T1OSO
T1CKI
RC1
T1OSI
UOE
RC2
CCP1
RC4
D-
VM
RC5
D+
VP
RC6
TX
CK
RC7
RX
DT
Pin Name
ST
O
= Schmitt Trigger input with CMOS levels
= Output
PIC18F2450 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number
PDIP,
SOIC
8, 19 5, 16
12
13
15
16
17
18
14
20
11
—
QFN
10
12
13
14
15
—
11
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
—
—
O
O
O
O
P
P
Advance Information
I
I
I
I
I
I
CMOS
Buffer
Type
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
—
—
—
PORTC is a bidirectional I/O port.
See MCLR/V
Internal USB 3.3V voltage regulator.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
Timer1 oscillator output.
Timer1external clock input.
Digital I/O.
Timer1 oscillator input.
External USB transceiver OE output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
Digital input.
USB differential minus line (input/output).
External USB transceiver VM input.
Digital input.
USB differential plus line (input/output).
External USB transceiver VP input.
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see RX/DT).
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see TX/CK).
CMOS = CMOS compatible input or output
I
P
= Input
= Power
PP
PIC18F2450/4450
/RE3 pin.
Description
DS39760A-page 15