PIC18F4550-I/ML Microchip Technology Inc., PIC18F4550-I/ML Datasheet - Page 18

• 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

PIC18F2450/4450
TABLE 1-3:
DS39760A-page 16
MCLR/Vpp/RE3
OSC1/CLKI
OSC2/CLKO/RA6
Legend: TTL = TTL compatible input
Note 1:
MCLR
V
RE3
OSC1
CLKI
OSC2
CLKO
RA6
PP
Pin Name
ST
O
These pins are No Connect unless the ICPRT Configuration bit is set. For NC/ICPORTS, the pin is No
Connect unless ICPRT is set and the DEBUG Configuration bit is cleared.
= Schmitt Trigger input with CMOS levels
= Output
PIC18F4450 PINOUT I/O DESCRIPTIONS
PDIP
13
14
1
Pin Number
QFN TQFP
18
32
33
18
30
31
Advance Information
Type
Pin
I/O
O
O
P
I
I
I
I
Analog
Analog
Buffer
Type
TTL
ST
ST
—
—
CMOS = CMOS compatible input or output
I
P
Master Clear (input) or programming voltage (input).
Oscillator crystal or external clock input.
Oscillator crystal or clock output.
Master Clear (Reset) input. This pin is an
active-low Reset to the device.
Programming voltage input.
Digital input.
Oscillator crystal input or external clock source input.
External clock source input. Always associated with
pin function OSC1. (See OSC2/CLKO pin.)
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In select modes, OSC2 pin outputs CLKO which has
1/4 the frequency of OSC1 and denotes the instruction
cycle rate.
General purpose I/O pin.
= Input
= Power
Description
© 2006 Microchip Technology Inc.