PIC16F84A Datasheet Text
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 MHz 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 plete
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...