Special Microcontroller Features:
• Operating voltage range: 2.0V to 3.6V
• 5.5V tolerant input (digital pins only)
• On-chip 2.5V regulator
• Low-power, high-speed CMOS Flash technology
• C compiler optimized architecture:
   - Optional extended instruction set designed to
      optimize re-entrant code
• Priority levels for interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
   - Programmable period from 4 ms to 131s
• Single-Supply In-Circuit Serial Programming™
   (ICSP™) via two pins
• In-Circuit Debug (ICD) with three Break points via
   two pins
• Power-Managed modes:
   - Run: CPU on, peripherals on
   - Idle: CPU off, peripherals on
   - Sleep: CPU off, peripherals off

Flexible Oscillator Structure:
• Two Crystal modes, up to 40 MHz
• Two External Clock modes, up to 40 MHz
• Internal 31 kHz oscillator
• Secondary oscillator using Timer1 @ 32 kHz
• Two-Speed Oscillator Start-up
• Fail-Safe Clock Monitor:
   - Allows for safe shutdown if peripheral clock
      stops

Peripheral Highlights:
• High-current sink/source 25 mA/25 mA
   (PORTB and PORTC)
• Three programmable external interrupts
• Four input change interrupts
• One Capture/Compare/PWM (CCP) module
• One Enhanced Capture/Compare/PWM (ECCP)
   module:
   - One, two or four PWM outputs
   - Selectable polarity
   - Programmable dead time
   - Auto-Shutdown and Auto-Restart
• Two Master Synchronous Serial Port (MSSP)
   modules supporting 3-wire SPI™ (all 4 modes)
   and I2C™ Master and Slave modes
• One Enhanced Addressable USART module:
   - Supports RS-485, RS-232 and LIN 1.2
   - Auto-Wake-up on Start bit
   - Auto-Baud Detect
• 10-bit, up to 13-channel Analog-to-Digital
   Converter module (A/D):
   - Auto-acquisition capability
   - Conversion available during Sleep
   - Self-calibration feature
• Dual analog comparators with input multiplexing