The PIC16F628A is 18-pin Flash-based members of the versatile PIC16F628A family of low-cost, high-performance, CMOS, fullystatic, 8-bit microcontrollers. All PIC® microcontrollers employ an advanced RISC architecture. The PIC16F628A have enhanced core features, an eight-level deep stack, and multiple internal and external interrupt sources. The separate instruction and data buses of the Harvard architecture allow a 14-bit wide instruction word with the separate 8-bit wide data. The two-stage instruction pipeline allows all instructions to execute in a single cycle, except for program branches (which require two cycles). A total of 35 instructions (reduced instruction set) are available, complemented by a large register set.
PIC16F628A microcontrollers typically achieve a 2:1 code compression and a 4:1 speed improvement over other 8-bit microcontrollers in their class. PIC16F628A devices have integrated features to reduce external components, thus reducing system cost, enhancing system reliability and reducing power consumption.
Features:-
• 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
– Selectable internal or external reference
– Comparator outputs are externally accessible
• Timer0: 8-bit timer/counter with 8-bit programmable prescaler
• Timer1: 16-bit timer/counter with external crystal/ clock capability
• Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
• Capture, Compare, PWM module:
– 16-bit Capture/Compare
– 10-bit PWM
• Addressable Universal Synchronous/Asynchronous Receiver/Transmitter USART/SCI
PIC16F628A Datasheet
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