189381 Ds.pdf

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PIC16F8X
Pin Diagrams
PDIP, SOIC
RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3
•1

18-pin Flash/EEPROM 8-Bit Microcontrollers

Devices Included in this Data Sheet:
PIC16F83 PIC16F84 PIC16CR83 PIC16CR84 Extended voltage range devices available (PIC16LF8X, PIC16LCR8X)

18 17 16 15 14 13 12 11 10

RA1 RA0 OSC1/CLKIN OSC2/CLKOUT VDD RB7 RB6 RB5 RB4

2 3 4 5 6 7 8 9PIC16F8X PIC16CR8X

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 - 10 MHz clock input DC - 400 ns instruction cycle
Device PIC16F83 Program Memory (words) 512 Flash Data Data RAM EEPROM (bytes) (bytes) 36 68 36 68 64 64 64 64 Max. Freq (MHz) 10 10 10 10Special Microcontroller Features:
• In-Circuit Serial Programming (ICSP™) - via two pins (ROM devices support only Data EEPROM programming) • 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

PIC16F84 1 K FlashPIC16CR83 512 ROM PIC16CR84 1 K ROM

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14-bit wide instructions 8-bit wide data path 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 interrupt on change - Data EEPROM write complete • 1000 erase/write cycles Flash program memory •10,000,000 erase/write cycles EEPROM data memory • EEPROM Data Retention > 40 years

CMOS Flash/EEPROM Technology:
• Low-power, high-speed technology • Fully static design • Wide operating voltage range: - Commercial: 2.0V to 6.0V - Industrial: 2.0V to 6.0V • Low power consumption: - < 2 mA typical @ 5V, 4 MHz - 15 µA typical @ 2V, 32 kHz - < 1 µA typical standby current @ 2V

Peripheral Features:
•13 I/O pins with individual direction control • High current sink/source for direct LED drive - 25 mA sink max. per pin - 20 mA source max. per pin • TMR0: 8-bit timer/counter with 8-bit programmable prescaler

© 1998 Microchip Technology Inc.

DS30430C-page 1

PIC16F8X
Table of Contents
1.0 General Description...................................................................................................................................................................... 3 2.0 PIC16F8X Device Varieties .......................................................................................................................................................... 5 3.0 ArchitecturalOverview.................................................................................................................................................................. 7 4.0 Memory Organization ................................................................................................................................................................. 11 5.0 I/OPorts...................................................................................................................................................................................... 21 6.0 Timer0 Module and TMR0 Register............................................................................................................................................ 27 7.0 Data EEPROMMemory.............................................................................................................................................................. 33 8.0 Special Features of the CPU ...................................................................................................................................................... 37 9.0 Instruction Set Summary ............................................................................................................................................................ 53 10.0...