PIC16F84A
Pin Diagrams
PDIP, SOIC
RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3 •1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 RA1 RA0 OSC1/CLKIN OSC2/CLKOUT VDD RB7 RB6 RB5 RB4
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 complete
PIC16F84A
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