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16F84A

Microchip Technology
Part Number 16F84A
Manufacturer Microchip Technology
Description 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller
Published Mar 23, 2005
Detailed Description M PIC16F84A Pin Diagrams PDIP, SOIC RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3 •1 18-pin Enhanced Flash/EEPROM 8-B...
Datasheet PDF File 16F84A PDF File

16F84A
16F84A

Overview
M PIC16F84A Pin Diagrams PDIP, SOIC RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3 •1 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller Devices Included in this Data Sheet: • PIC16F84A • Extended voltage range device available (PIC16LF84A) 18 17 16 15 14 13 12 11 10 RA1 RA0 OSC1/CLKIN OSC2/CLKOUT VDD RB7 RB6 RB5 RB4 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 2 3 4 5 6 7 8 9 SSOP RA2 RA3 RA4/T0CKI MCLR VSS VSS RB0/INT RB1 RB2 RB3 •1 PIC16F84A PIC16F84A 20 19 18 17 16 15 14 13 12 11 RA1 RA0 OSC1/CLKIN OSC2/CLKOUT VDD VDD RB7 RB6 RB5 RB4 2 3 4 5 6 7 8 9 10 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 CMOS Enhanced Flash/EERPOM 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 @ 5V, 4 MHz - 15 µA typical @ 2V, 32 kHz - < 0.
5 µA typical standby current @ 2V Special Microcontroller Features: • 1000 erase/write cycles Enhanced Flash program memory • 1,000,000 typical erase/write cycles EEPROM data memory • EEPROM Data Retention > 40 years • In-Circuit Serial Programming (ICSP™) - via two pins • Power-on Reset (POR), Power-up Timer (PWRT), Oscillator Start-up...


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