PIC16F819

Features:

• Power-Managed modes:
- Primary Run: XT, RC oscillator, 87 A, 1 MHz, 2V
- INTRC: 7 A, 31.25 kHz, 2V
- Sleep: 0.2 A, 2V
• Timer1 oscillator: 1.8 A, 32 kHz, 2V
• Watchdog Timer: 0.7 A, 2V
• Wide operating voltage range:
- Industrial: 2.0V to 5.5V
• 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
• 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) Pin Diagram

• 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




Pinout






Specifications

Parameter Name	Value
Program Memory Type	Flash
Program Memory (KB)	3.5
CPU Speed (MIPS)	5
RAM Bytes	256
Data EEPROM (bytes)	256
Digital Communication Peripherals	1-SSP(SPI/I2C)
Capture/Compare/PWM Peripherals	1 CCP
Timers	2 x 8-bit, 1 x 16-bit
ADC	5 ch, 10-bit
Temperature Range (C)	-40 to 125
Operating Voltage Range (V)	2 to 5.5
Pin Count	18

Description

This powerful (200 nanosecond instruction execution) yet easyto-program (only 35 single word instructions) CMOS Flash-based 8-bit microcontroller packs Microchip's powerful PIC? architecture into an 18-pin package and is upwards compatible with the PIC16C7x, PIC16C62xA, PIC16C5X and PIC12CXXX devices. The PIC16F819 features 8MHz internal oscillator, 256 bytes of EEPROM data memory, a capture/compare/PWM, a synchronous serial port that can be configured as either 3-wire Serial Peripheral Interface (SPI?) or the 2-wire Inter-Integrated Circuit (I2C?) bus and 5 channels of 10-bit Analog-to-Digital (A/D) converter that make PIC16F819 ideal for advantage analog / integrated level applications in automotive, industrial, appliances and consumer applications.