Description

The PIC16F818 is a low-power, high-performance CMOS Flash-based 8-bit microcontroller with 8KB of program memory, 368 bytes of data memory, and 256 bytes of EEPROM. It offers several features such as 16 I/O pins, three crystal modes, an SSP interface, an analog-to-digital converter, and a capture, compare, PWM module. This microcontroller is suitable for a wide range of applications such as remote sensors, battery-operated devices, and low-power applications.

Specifications and features

• Low power modes: primary run, INTRC and sleep
• Timer1 oscillator: 1.8 µA, 32 kHz, 2V
• Watchdog Timer: 0.7 µA, 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
• Internal oscillator block with 8 user selectable frequencies
• 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
• Analog-to-Digital converter: 10-bit, 5-channel
• Synchronous Serial Port (SSP) with SPI (Master/Slave) and I2C (Slave)
• Flash program memory of 8KB
• EEPROM data memory of 256 bytes
• 100,000 erase/write cycles Enhanced Flash program memory typical
• 1,000,000 typical erase/write cycles EEPROM data memory typical
• In-Circuit Serial ProgrammingTM (ICSPTM) via two pins

Application Scenarios

The PIC16F818 is appropriate for applications where low power consumption is a primary concern. It is a versatile microcontroller suitable for applications like remote sensors, battery-operated devices, and low-power applications.

Comparison

• Low power consumption
• Wide operating voltage range
• Internal oscillator block with selectable frequencies
• High sink/source current
• EEPROM data memory retention of over 40 years

• Less program memory as compared to other microcontrollers
• Limited number of pins