P12C508 datasheet(79/84 Pages) MICROCHIP

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DS40139A-page 79

PIC12C5XX

INDEX

ALU ...................................................................................... 7

Applications.......................................................................... 3

Architectural Overview ......................................................... 7

Assembler .......................................................................... 50

Block Diagram

On-Chip Reset Circuit ................................................ 30

Timer0........................................................................ 21

TMR0/WDT Prescaler................................................ 24

Watchdog Timer......................................................... 33

Brown-Out Protection Circuit ............................................. 34

C Compiler (MP-C) ............................................................ 51

Carry .................................................................................... 7

Clocking Scheme ............................................................... 10

Code Protection ........................................................... 25, 35

Configuration Bits............................................................... 25

Configuration Word

PIC16C54A/CR57A/C58A ......................................... 25

Development Support ........................................................ 49

Development Tools ............................................................ 49

Device Varieties ................................................................... 5

Digit Carry ............................................................................ 7

Family of Devices

PIC14XXX.................................................................. 69

PIC16C5X .................................................................. 70

PIC16C62X ................................................................ 71

PIC16C7X .................................................................. 73

PIC16C8X .................................................................. 74

Features ............................................................................... 1

FSR .................................................................................... 17

Fuzzy Logic Dev. System (

fuzzyTECH®-MP) .............. 49, 51

I/O Interfacing .................................................................... 19

I/O Ports ............................................................................. 19

I/O Programming Considerations....................................... 20

ID Locations ................................................................. 25, 35

INDF................................................................................... 17

Indirect Data Addressing.................................................... 17

Instruction Cycle ................................................................ 10

Instruction Flow/Pipelining ................................................. 10

Instruction Set Summary.................................................... 38

Loading of PC .................................................................... 16

Memory Organization......................................................... 11

Data Memory ............................................................. 12

Program Memory ....................................................... 11

MPASM Assembler ...................................................... 49, 50

MP-C C Compiler ............................................................... 51

MPSIM Software Simulator .......................................... 49, 51

One-Time-Programmable (OTP) Devices............................ 5

OPTION Register ............................................................... 15

OSC Selection ................................................................... 25

Oscillator Configurations .................................................... 26

Oscillator Types

HS .............................................................................. 26

LP............................................................................... 26

RC .............................................................................. 26

XT ............................................................................... 26

Package Marking Information ............................................. 65

Packaging Information ........................................................ 65

PC....................................................................................... 16

PICDEM-1 Low-Cost PIC16/17 Demo Board ............... 49, 50

PICDEM-2 Low-Cost PIC16CXX Demo Board............. 49, 50

PICDEM-3 Low-Cost PIC16C9XXX Demo Board .............. 50

PICMASTER

™ RT In-Circuit Emulator ............................... 49

PICSTART

™ Low-Cost Development System.................... 49

Pin Compatible Devices ..................................................... 77

POR

Device Reset Timer (DRT) ................................... 25, 32

PD............................................................................... 34

Power-On Reset (POR).............................................. 25

TO............................................................................... 34

PORTA ............................................................................... 19

Power-Down Mode ............................................................. 35

Prescaler ............................................................................ 24

PRO MATE

™ Universal Programmer ................................. 49

Program Counter ................................................................ 16

Q cycles .............................................................................. 10

RC Oscillator ...................................................................... 27

Read Modify Write .............................................................. 20

PIC16C54A/CR54A/CR54B/CR56 ............................. 12

PIC16C58A/CR58A/CR58B ....................................... 12

Registers

Special Function ......................................................... 13

Reset .................................................................................. 25

Reset on Brown-Out ........................................................... 34

SLEEP .......................................................................... 25, 35

Software Simulator (MPSIM) .............................................. 51

Special Features of the CPU .............................................. 25

Special Function Registers ................................................. 13

Stack................................................................................... 16

STATUS ............................................................................... 7

STATUS Register ............................................................... 14

Timer0

Switching Prescaler Assignment ................................ 24

Timer0 ........................................................................ 21

Timer0 (TMR0) Module .............................................. 21

TMR0 with External Clock .......................................... 23

Timing Diagrams and Specifications .................................. 57

Timing Parameter Symbology and Load Conditions .......... 56

TRIS Registers ................................................................... 19

Wake-up from SLEEP ........................................................ 35

Watchdog Timer (WDT)................................................ 25, 32

Period ......................................................................... 33

Programming Considerations ..................................... 33

Zero bit ................................................................................. 7

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