PIC16F628

PIC16f628 Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

• 16 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Analog comparator module with :-Two analog comparators
• Programmable on-chip voltage reference (VREF) module
• Timer 0 : 8-bit timer/counter with 8-bit programmable prescaler
• Timer 1 : 16-bit timer/counter with external crystal/clock capability
• Timer 2 : 8-bit timer/counter with 8-bit period register, prescaler and postscaler
• Capture, Compare, PWM module:16-bit Capture/Compare
• Addressable Universal Synchronous, Asynchronous Receiver,Transmitter USART, SCI

High-Performance RISC CPU:

• Standby Current :- 100 nA @ 2.0V, typical
• Operating Current :- 12 μA @ 32 kHz, 2.0V, typical- 120 μA @ 1 MHz, 2.0V, typical
• Watchdog Timer Current :- 1 μA @ 2.0V, typical
• Timer1 Oscillator Current :- 1.2 μA @ 32 kHz, 2.0V, typical
• Dual-speed Internal Oscillatorv :- Run-time selectable between 4 MHz and 48 kHz- 4 μs wake-up from Sleep, 3.0V, typical

Special Microcontroller Features:

• Internal and external oscillator options:

           - Precision internal 4 MHz oscillator factory calibrated to ±1%

           - Low-power internal 48 kHz oscillator

           -  External Oscillator support for crystals and resonators

• Power - saving Sleep mode
• Programmable weak pull - ups on PORTB
• Multiplexed Master Clear / Input-pin