
PIC16F818/819

18/20-Pin Enhanced Flash Microcontrollers
with nanoWatt Technology

Low-Power Features:

• Power Managed modes:
  - Primary Run: XT, RC oscillator,
    87 µA, 1 MHz, 2V
  - INTRC: 7 µA, 31.25 kHz, 2V
  - Sleep: 0.2 µA, 2V
• Timer1 oscillator: 1.8 µA, 32 kHz, 2V
• Watchdog Timer: 0.7 µA, 2V
• Wide operating voltage range:
  - Industrial: 2.0V to 5.5V
    Oscillators:
• Three Crystal modes:
  - LP, XT, HS: up to 20 MHz
• Two External RC modes
• One External Clock mode:
  - ECIO: up to 20 MHz
• Internal oscillator block:
  - 8 user selectable frequencies: 31 kHz, 125 kHz,
    250 kHz, 500 kHz, 1 MHz, 2 MHz, 4 MHz, 8 MHz

Peripheral Features:

• 16 I/O pins with individual direction control
• High sink/source current: 25 mA
• Timer0: 8-bit timer/counter with 8-bit prescaler
• Timer1: 16-bit timer/counter with prescaler, can be
  incremented during Sleep via external crystal/clock
• Timer2: 8-bit timer/counter with 8-bit period
  register, prescaler and postscaler
• Capture, Compare, PWM (CCP) module:
  - Capture is 16-bit, max. resolution is 12.5 ns
  - Compare is 16-bit, max. resolution is 200 ns
  - PWM max. resolution is 10-bit
• 10-bit, 5-channel Analog-to-Digital converter
• Synchronous Serial Port (SSP) with
  SPI™ (Master/Slave) and I2C™ (Slave)

Special Microcontroller Features:

• 100,000 erase/write cycles Enhanced Flash
  program memory typical
• 1,000,000 typical erase/write cycles EEPROM
  data memory typical
• EEPROM Data Retention: > 40 years
• In-Circuit Serial ProgrammingTM (ICSPTM) via two pins
• Processor read/write access to program memory
• Low-Voltage Programming
• In-Circuit Debugging via two pins
