
PIC18F2480/2580/4480/4580

28/40/44-Pin Enhanced Flash Microcontrollers with
ECAN™ Technology, 10-Bit A/D and nanoWatt Technology

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
