PIC18F4539-ESLASHMLSQTP datasheet(312/322 Pages) MICROCHIP

312 / 322 page

PIC18FXX39

DS30485A-page 310

Preliminary

 2002 Microchip Technology Inc.

CALL ................................................................................ 226

Clocking Scheme/Instruction Cycle .................................... 36

CLRF ................................................................................ 227

CLRWDT .......................................................................... 227

Code Examples

16 x 16 Signed Multiply Routine ................................. 68

16 x 16 Unsigned Multiply Routine ............................. 68

8 x 8 Signed Multiply Routine ..................................... 67

8 x 8 Unsigned Multiply Routine ................................. 67

Data EEPROM Read ................................................. 63

Data EEPROM Refresh Routine ................................ 64

Data EEPROM Write .................................................. 63

Erasing a FLASH Program Memory Row .................. 56

How to Clear RAM (Bank 1) Using

Indirect Addressing ............................................ 47

Initializing PORTA ...................................................... 83

Initializing PORTB ...................................................... 86

Initializing PORTC ...................................................... 89

Initializing PORTD ...................................................... 91

Initializing PORTE ...................................................... 93

Loading the SSPBUF (SSPSR) Register ................. 128

Motor Control Routine using ProMPT APIs .............. 121

Reading a FLASH Program Memory Word ................ 55

Saving STATUS, WREG and

BSR Registers in RAM ....................................... 81

Writing to FLASH Program Memory ..................... 58–59

Code Protection ............................................................... 195

COMF ............................................................................... 228

Configuration Bits ............................................................. 195

Context Saving During Interrupts ....................................... 81

Conversion Considerations .............................................. 306

CPFSEQ .......................................................................... 228

CPFSGT ........................................................................... 229

CPFSLT ........................................................................... 229

Data EEPROM Memory

Associated Registers ................................................. 65

EEADR Register ........................................................ 61

EECON1 Register ...................................................... 61

EECON2 Register ...................................................... 61

Operation During Code Protect .................................. 64

Protection Against Spurious Write ............................. 64

Reading ...................................................................... 63

Using .......................................................................... 64

Write Verify ................................................................. 64

Writing ........................................................................ 63

Data Memory ...................................................................... 39

General Purpose Registers ........................................ 39

Map for PIC18FX439 ................................................. 40

Map for PIC18FX539 ................................................. 41

Special Function Registers ........................................ 39

DAW ................................................................................. 230

DC and AC Characteristics

Graphs and Tables ................................................... 287

DC Characteristics ................................................... 261, 264

DCFSNZ ........................................................................... 231

DECF ............................................................................... 230

DECFSZ ........................................................................... 231

Developing Applications ................................................... 121

Development Support ...................................................... 253

Device Differences ........................................................... 305

Device Overview .................................................................. 7

Features ....................................................................... 8

Direct Addressing ............................................................... 48

Example ..................................................................... 46

Electrical Characteristics .................................................. 259

Errata ................................................................................... 5

Firmware Instructions ....................................................... 211

FLASH Program Memory ................................................... 51

Associated Registers ................................................. 59

Control Registers ....................................................... 52

Erase Sequence ........................................................ 56

Erasing ....................................................................... 56

Operation During Code Protection ............................. 59

Reading ..................................................................... 55

TABLAT Register ....................................................... 54

Table Pointer ............................................................. 54

Boundaries Based on Operation ........................ 54

Table Pointer Boundaries .......................................... 54

Table Reads and Table Writes .................................. 51

Writing to .................................................................... 57

Protection Against Spurious Writes ................... 59

Unexpected Termination .................................... 59

Write Verify ........................................................ 59

GOTO .............................................................................. 232

Hardware Interface .......................................................... 113

Hardware Multiplier ............................................................ 67

Introduction ................................................................ 67

Operation ................................................................... 67

Performance Comparison .......................................... 67

HS/PLL .............................................................................. 20

I/O Ports ............................................................................. 83

I2C Mode

Bus Collision

During a STOP Condition ................................ 163

I2C Mode .......................................................................... 134

ACK Pulse ........................................................138, 139

Acknowledge Sequence Timing .............................. 158

Baud Rate Generator ............................................... 151

Bus Collision

Repeated START Condition ............................ 162

START Condition ............................................. 160

Clock Arbitration ...................................................... 152

Clock Stretching ....................................................... 144

Effect of a RESET .................................................... 159

General Call Address Support ................................. 148

Master Mode ............................................................ 149

Operation ......................................................... 150

Reception ........................................................ 155

Repeated START Condition Timing ................ 154

START Condition Timing ................................. 153

Transmission ................................................... 155

Multi-Master Communication, Bus Collision

and Arbitration ................................................. 159

PIC18F4539-E/MLSQTP Datasheet(PDF) 312 Page - Microchip Technology

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