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   PIC18FXX2 Datasheet (11/02/2010) 
 
High Performance RISC CPU: 
• C compiler optimized architecture/instruction set 
- Source code compatible with the PIC16 and  
PIC17 instruction sets 
• Linear program memory addressing to 32 Kbytes 
• Linear data memory addressing to 1.5 Kbytes       
• Up to 10 MIPs operation:  
- DC - 40 MHz osc./clock input 
- 4 MHz - 10 MHz osc./clock input with PLL active 
• 16-bit wide instructions, 8-bit wide data path 
• Priority levels for interrupts  
• 8 x 8 Single Cycle Hardware Multiplier 
Peripheral Features: 
• High current sink/source 25 mA/25 mA 
• Three external interrupt pins 
• Timer0 module: 8-bit/16-bit timer/counter with  
8-bit programmable prescaler 
• Timer1 module: 16-bit timer/counter  
• Timer2 module: 8-bit timer/counter with 8-bit  
period register (time-base for PWM) 
• Timer3 module: 16-bit timer/counter  
• Secondary oscillator clock option - Timer1/Timer3 
• Two Capture/Compare/PWM (CCP) modules.  
CCP pins that can be configured as: 
- Capture input: capture is 16-bit,  
max. resolution 6.25 ns (TCY/16) 
- Compare is 16-bit, max. resolution 100 ns (TCY) 
- PWM output: PWM resolution is 1- to 10-bit,  
max. PWM freq. @: 8-bit resolution = 156 kHz 
10-bit resolution = 39 kHz 
• Master Synchronous Serial Port (MSSP) module,  
Two modes of operation: 
- 3-wire SPI™ (supports all 4 SPI modes) 
-I 
2C™ Master and Slave mode 
Peripheral Features (Continued): 
• Addressable USART module: 
- Supports RS-485 and RS-232 
• Parallel Slave Port (PSP) module 
Analog Features: 
• Compatible 10-bit Analog-to-Digital Converter  
module (A/D) with: 
- Fast sampling rate 
- Conversion available during SLEEP 
-Linearity ≤ 1 LSb 
• Programmable Low Voltage Detection (PLVD)  
- Supports interrupt on-Low Voltage Detection 
• Programmable Brown-out Reset (BOR) 
Special Microcontroller Features: 
• 100,000 erase/write cycle Enhanced FLASH  
program memory typical 
• 1,000,000 erase/write cycle Data EEPROM  
memory 
• FLASH/Data EEPROM Retention: > 40 years 
• Self-reprogrammable under software control 
• Power-on Reset (POR), Power-up Timer (PWRT)  
and Oscillator Start-up Timer (OST) 
• Watchdog Timer (WDT) with its own On-Chip RC  
Oscillator for reliable operation 
• Programmable code protection 
• Power saving SLEEP mode 
• Selectable oscillator options including: 
- 4X Phase Lock Loop (of primary oscillator) 
- Secondary Oscillator (32 kHz) clock input 
• Single supply 5V In-Circuit Serial Programming™  
(ICSP™) via two pins 
• In-Circuit Debug (ICD) via two pins 
CMOS Technology: 
• Low power, high speed FLASH/EEPROM  
technology 
• Fully static design 
• Wide operating voltage range (2.0V to 5.5V)  
• Industrial and Extended temperature ranges 
• Low power consumption: 
- < 1.6 mA typical @ 5V, 4 MHz 
-25 μA typical @ 3V, 32 kHz 
- < 0.2 μA typical standby current 
Device 
On-Chip Program  
Memory On-Chip 
RAM 
(bytes) 
Data  
EEPROM  
(bytes) FLASH 
(bytes) 
# Single Word  
Instructions 
PIC18F242 16K 8192 768 256 
PIC18F252 32K 16384 1536 256 
PIC18F442 16K 8192 768 256 
PIC18F452 32K 16384 1536 256 
 
 
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