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  Microchip Technology Semiconductor Electronic Components Datasheet  

PIC16F84 Datasheet

(PIC16F8x) 18-pin Flash/EEPROM 8-Bit Microcontrollers

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PIC16F84 pdf
PIC16F8X
18-pin Flash/EEPROM 8-Bit Microcontrollers
Devices Included in this Data Sheet:
• PIC16F83
• PIC16F84
• PIC16CR83
• PIC16CR84
• Extended voltage range devices available
(PIC16LF8X, PIC16LCR8X)
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
Program
Memory
(words)
Data Data
Max.
RAM EEPROM Freq
(bytes) (bytes) (MHz)
PIC16F83
PIC16F84
PIC16CR83
PIC16CR84
512 Flash
1 K Flash
512 ROM
1 K ROM
36 64 10
68 64 10
36 64 10
68 64 10
• 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<7:4> interrupt on change
- Data EEPROM write complete
• 1000 erase/write cycles Flash program memory
• 10,000,000 erase/write cycles EEPROM data mem-
ory
• EEPROM Data Retention > 40 years
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
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
Special 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
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
© 1998 Microchip Technology Inc.
DS30430C-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

PIC16F84 Datasheet

(PIC16F8x) 18-pin Flash/EEPROM 8-Bit Microcontrollers

No Preview Available !

PIC16F84 pdf
PIC16F8X
Table of Contents
1.0 General Description ...................................................................................................................................................................... 3
2.0 PIC16F8X Device Varieties .......................................................................................................................................................... 5
3.0 Architectural Overview.................................................................................................................................................................. 7
4.0 Memory Organization ................................................................................................................................................................. 11
5.0 I/O Ports...................................................................................................................................................................................... 21
6.0 Timer0 Module and TMR0 Register............................................................................................................................................ 27
7.0 Data EEPROM Memory.............................................................................................................................................................. 33
8.0 Special Features of the CPU ...................................................................................................................................................... 37
9.0 Instruction Set Summary ............................................................................................................................................................ 53
10.0 Development Support ................................................................................................................................................................. 69
11.0 Electrical Characteristics for PIC16F83 and PIC16F84.............................................................................................................. 73
12.0 Electrical Characteristics for PIC16CR83 and PIC16CR84........................................................................................................ 85
13.0 DC & AC Characteristics Graphs/Tables.................................................................................................................................... 97
14.0 Packaging Information .............................................................................................................................................................. 109
Appendix A: Feature Improvements - From PIC16C5X To PIC16F8X .......................................................................................... 113
Appendix B: Code Compatibility - from PIC16C5X to PIC16F8X.................................................................................................. 113
Appendix C: What’s New In This Data Sheet ................................................................................................................................. 114
Appendix D: What’s Changed In This Data Sheet ......................................................................................................................... 114
Appendix E: Conversion Considerations - PIC16C84 to PIC16F83/F84 And PIC16CR83/CR84.................................................. 115
Index ................................................................................................................................................................................................. 117
On-Line Support................................................................................................................................................................................. 119
Reader Response .............................................................................................................................................................................. 120
PIC16F8X Product Identification System ........................................................................................................................................... 121
Sales and Support.............................................................................................................................................................................. 121
To Our Valued Customers
We constantly strive to improve the quality of all our products and documentation. We have spent a great deal of
time to ensure that these documents are correct. However, we realize that we may have missed a few things. If you
find any information that is missing or appears in error, please use the reader response form in the back of this data
sheet to inform us. We appreciate your assistance in making this a better document.
DS30430C-page 2
© 1998 Microchip Technology Inc.


Part Number PIC16F84
Description (PIC16F8x) 18-pin Flash/EEPROM 8-Bit Microcontrollers
Maker Microchip Technology
Total Page 30 Pages
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