
PIC18FXX20

64/80-Pin High Performance, 1 Mbit Enhanced FLASH
Microcontrollers with A/D

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 128 Kbytes
• Linear data memory addressing to 3840 bytes
• 1 Kbyte of data EEPROM
• 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
• 31-level, software accessible hardware stack
• 8 x 8 Single Cycle Hardware Multiplier

External Memory Interface(PIC18F8X20 Devices Only):

• Address capability of up to 2 Mbytes
• 16-bit interface

Peripheral Features:

• High current sink/source 25 mA/25 mA
• Four external interrupt pins
• Timer0 module: 8-bit/16-bit timer/counter
• Timer1 module: 16-bit timer/counter
• Timer2 module: 8-bit timer/counter
• Timer3 module: 16-bit timer/counter
• Timer4 module: 8-bit timer/counter
• Secondary oscillator clock option - Timer1/Timer3
• Five Capture/Compare/PWM (CCP) modules:
  - 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
• Master Synchronous Serial Port (MSSP) module
  with two modes of operation:
  - 3-wire SPI™ (supports all 4 SPI modes)
  - I2C™ Master and Slave mode
• Two Addressable USART modules:
  - Supports RS-485 and RS-232
• Parallel Slave Port (PSP) module

Analog Features:

• 10-bit, up to 16-channel Analog-to-Digital
  Converter (A/D):
  - Conversion available during SLEEP
• Programmable 16-level Low Voltage Detection
  (LVD) module:
  - Supports interrupt on Low Voltage Detection
• Programmable Brown-out Reset (PBOR)
• Dual analog comparators:
  - Programmable input/output configuration

Special Microcontroller Features:

• 100,000 erase/write cycle Enhanced FLASH
  program memory typical
• 1,000,000 erase/write cycle Data EEPROM
  memory typical
• 1 second programming time
• 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
• In-Circuit Serial Programming™ (ICSP™) via
  two pins
• MPLAB® In-Circuit Debug (ICD) via two pins

CMOS Technology:

• Low power, high speed FLASH technology
• Fully static design
• Wide operating voltage range (2.0V to 5.5V)
• Industrial and Extended temperature ranges
