
PIC18F2585/2680/4585/4680

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 A typical
 Sleep mode currents down to 0.1 A typical
 Timer1 Oscillator: 1.1 A, 32 kHz, 2V
 Watchdog Timer: 2.1 A
 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 (CCP1) module
 Enhanced Capture/Compare/PWM (ECCP1) 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
