PIC16F819 Datasheet

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  PIC16F818/819 Datasheet (10/18/2004)


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,
250kHz, 500kHz, 1MHz, 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 I
2C™ (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


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