DEVICE OVERVIEW
This document contains device specific information for the following devices:
   • PIC18F2480
   • PIC18F2580
   • PIC18F4480
   • PIC18F4580
This family of devices offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Enhanced Flash program memory. In addition to these features, the PIC18F2480/2580/4480/4580 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.

Power Managed Modes:
• Run: CPU on, peripherals on
• Idle: CPU off, peripherals on
• Sleep: CPU off, peripherals off
• Idle mode currents down to 5.8 µA typical
• Sleep mode current down to 0.1 µA typical
• Timer1 Oscillator: 1.1 µA, 32 kHz, 2V
• Watchdog Timer: 2.1 µA
• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:
• Four Crystal modes, up to 40 MHz
• 4X Phase Lock Loop (PLL) – available for crystal and internal oscillators)
• Two External RC modes, up to 4 MHz
• Two External Clock modes, up to 40 MHz
• Internal oscillator block:
   - 8 user selectable frequencies, from 31 kHz to 8 MHz
   - Provides a complete range of clock speeds, from 31 kHz to 32 MHz when used with PLL
   - User tunable to compensate for frequency drift
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor
   - Allows for safe shutdown if peripheral clock stops
  
Special Microcontroller Features:
• C compiler optimized architecture with optional extended instruction set
• 100,000 erase/write cycle Enhanced Flash program memory typical
• 1,000,000 erase/write cycle Data EEPROM memory typical
• Flash/Data EEPROM Retention: > 40 years
• Self-programmable under software control
• Priority levels for interrupts
• 8 x 8 Single Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
   - Programmable period from 41 ms to 131s
• Single-Supply 5V In-Circuit Serial
   Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via two pins
• Wide operating voltage range: 2.0V to 5.5V

Peripheral Highlights:
• High current sink/source 25 mA/25 mA
• Three external interrupts
• One Capture/Compare/PWM (CCP) module
• Enhanced Capture/Compare/PWM (ECCP) module (40/44-pin devices only):
   - One, two or four PWM outputs
   - Selectable polarity
   - Programmable dead time
   - Auto-Shutdown and Auto-Restart
• Master Synchronous Serial Port (MSSP) module supporting 3-wire SPI™ (all 4 modes) and I2C™ Master and Slave modes
• Enhanced Addressable USART module
   - Supports RS-485, RS-232 and LIN 1.3
   - RS-232 operation using internal oscillator block (no external crystal required)
   - Auto-Wake-up on Start bit
   - Auto-Baud detect
• 10-bit, up to 11-channel Analog-to-Digital Converter module (A/D), up to 100 Ksps
   - Auto-acquisition capability
   - Conversion available during Sleep
• Dual analog comparators with input multiplexing

ECAN Module Features:
• Message bit rates up to 1 Mbps
• Conforms to CAN 2.0B ACTIVE Specification
• Fully backward compatible with PIC18XXX8 CAN modules
• Three modes of operation:
   - Legacy, Enhanced Legacy, FIFO
• Three dedicated transmit buffers with prioritization
• Two dedicated receive buffers
• Six programmable receive/transmit buffers
• Three full 29-bit acceptance masks
• 16 full 29-bit acceptance filters w/ dynamic association
• DeviceNet™ data byte filter support
• Automatic remote frame handling
• Advanced error management features