The Microchip PIC16F628a is a low power CMOS 8 bit microcontroller based on PIC RISC architecture.
Supply 3 to 5.5V
Low voltage programming
Low speed clock mode
4MHz Internal oscillator
On-chip voltage reference
Power-saving sleep mode
Programmable weak pull-ups on port-B
Multiplexed master clear/input-pin
Watchdog timer with independent oscillator for reliable operation
Low-voltage programming
In-Circuit Serial Programming™ (via two pins)
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