PIC 18F4420 Datasheet - Microchip Microcontroller

Parameter	Value	Parameter	Value
CPU	8 bit	Max. Clock Speed	40 MHz
MIPS	10	GPIO	36
Program Memory	16384 bytes	RAM	768 bytes
EEPROM	256 bytes	Internal Oscillator	YES
ADC	13	ADC Resolution	10 bits
Comparator	2	UART	1
8bit Timer	1	16bit Timer	3
PWM	2	Max. PWM Resolution	10 bits
SPI	1	I2C	1
CAN	0	USB	0
Min. Voltage	4.2 V	Max. Voltage	5.5 V
Min. Temp.	-40 °C	Max. Temp.	125 °C
Capacitive Touch Channels	0	LCD Segments	0
Available Packages	PDIP, QFN, TQFP

PIC 18F4420 Datasheet – Microchip Microcontroller