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PIC16F84A

Microchip Technology
Part Number PIC16F84A
Manufacturer Microchip Technology
Description 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller
Published Sep 15, 2005
Detailed Description PIC16F84A 18-pin Enhanced FLASH/EEPROM 8-Bit Microcontroller High Performance RISC CPU Features: • Only 35 single word ...
Datasheet PDF File PIC16F84A PDF File

PIC16F84A
PIC16F84A

Overview
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 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 FLASH Program memory typical • 10,000,000 typical erase/write cycles EEPROM Data memory typical • EEPROM Data Retention > 40 years • In-Circuit Serial Programming™ (ICSP™) - via two pins • Power-on Reset (POR), Power-up Timer (PWRT), Oscillator Start-up Timer (OST) • Watchdog Timer (WDT) with its own On-Chip RC Oscillator for reliable operation • Code protection • Power saving SLEEP mode • Selectable oscillator options Pin Diagrams PDIP, SOIC RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3 1 2 3 4 5 6 7 8 9 PIC16F84A 18 RA1 17 RA0 16 OSC1/CLKIN 15 OSC2/CLKOUT 14 VDD 13 RB7 12 RB6 11 RB5 10 RB4 SSOP RA2 RA3 RA4/T0CKI MCLR VSS VSS RB0/INT RB1 RB2 RB3 1 2 3 4 5 6 7 8 9 10 PIC16F84A 20 RA1 19 RA0 18 OSC1/CLKIN 17 OSC2/CLKOUT 16 VDD 15 VDD 14 RB7 13 RB6 12 RB5 11 RB4 CMOS Enhanced FLASH/EEPROM Technology: • Low power, high speed technology • Fully static design • Wide operating voltage range: - Commercial: 2.
0V to 5.
5V - Industrial: 2.
0V to 5.
5V • Low power consumption: - < 2 mA typical ...


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