PIC16F84A PDF Datasheet
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Description
This is 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller. PIC16F84A
18-pin Enhanced FLASH, EEPROM 8-Bit Microcontroller
High Performance RISC CPU Features:
Only 35 single word instructions to learn All instructions single-cycle except for program
branches which are two-cycle Operating speed: DC - 20 MH- clock input
DC - 200 ns instruction cycle 1024 words of program memory 68 bytes of Data RAM 64 bytes of Data EEPROM 14-bit wide instruction words 8-bit wide data bytes 15 Special Function Hardware registers Eight-level deep hardware stack Direct, indirect and relative addressing modes Four interrupt sources:
- External RB0, INT pin - TMR0 timer overflow - PORTB<7:4> interrupt-on-change - Data EEPROM write complete
Peripheral Features:
13 I, O pins with individual direction control High current sink, source for direct LED drive
- 25 mA sink max. per pin - 25 mA source max. per pin TMR0: 8-bit timer, counter with 8-bit programmable prescaler
Special Microcontroller Features:
10,000 erase, write cycles Enhanced FL.