16F84A Datasheet (Microchip Technology) - 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller

16F84A, 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller

and details for each pin.

FIGURE 1-1: PIC16F84A BLOCK DIAGRAM 13 Data Bus Program Counter 8 EEPROM Data Memory Flash Program Memory PIC16F84A 1K x 14 Program Bus 8 Level Stack (13-bit) RAM File Registers PIC16F84A 68 x 8 7 RAM Addr EEDATA EEPROM Data Memory 64 x 8 14 EEADR Instruction reg 5

16F84A 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