PIC18F4220-I/P Microchip Technology Inc., PIC18F4220-I/P Datasheet - Page 27

• Manufacturer Part Number: PIC18F4220-I/P
• Description: Microcontroller; 4 KB Flash; 512 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4220-I/P

• A/d Inputs: 13-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 4K Bytes
• Ram Size: 512 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 2-8:
 2003 Microchip Technology Inc.
T1OSO
T1OSI
OSC2
OSC1
Primary Oscillator
Secondary Oscillator
PIC18F2X20/4X20 CLOCK DIAGRAM
OSCCON<6:4>
Oscillator
Internal
Source
INTRC
T1OSCEN
Enable
Oscillator
Block
Sleep
(INTOSC)
8 MHz
PIC18F2220/2320/4220/4320
PIC18F2X20/4X20
500 kHz
250 kHz
125 kHz
31 kHz
8 MHz
4 MHz
2 MHz
1 MHz
OSCCON<6:4>
111
110
101
100
011
010
001
000
4 x PLL
Clock Source Option
for Other Modules
CONFIG1H <3:0>
HSPLL
LP, XT, HS, RC, EC
Internal Oscillator
T1OSC
Control
Clock
DS39599C-page 25
WDT, FSCM
OSCCON<1:0>
Peripherals
IDLEN
CPU