PIC18F2525IMLSQTP datasheet(400/412 Pages) MICROCHIP

400 / 412 page

PIC18F2525/2620/4525/4620

DS39626E-page 398

C Compilers

MPLAB C18 ............................................................. 318

MPLAB C30 ............................................................. 318

CALL ................................................................................ 282

CALLW ............................................................................. 311

Capture (CCP Module) ..................................................... 141

Associated Registers ............................................... 143

CCP Pin Configuration ............................................. 141

CCPRxH:CCPRxL Registers ................................... 141

Prescaler .................................................................. 141

Software Interrupt .................................................... 141

Timer1/Timer3 Mode Selection ................................ 141

Capture (ECCP Module) .................................................. 148

Capture/Compare/PWM (CCP) ........................................ 139

Capture Mode. See Capture.

CCPRxH Register .................................................... 140

CCPRxL Register ..................................................... 140

Compare Mode. See Compare.

Interaction of Two CCP Modules ............................. 140

Module Configuration ............................................... 140

Pin Assignment ........................................................ 140

Timer Resources ...................................................... 140

Clock Sources .................................................................... 28

Selecting the 31 kHz Source ...................................... 29

Selection Using OSCCON Register ........................... 29

CLRF ................................................................................ 283

CLRWDT .......................................................................... 283

Code Examples

16 x 16 Signed Multiply Routine ................................ 90

16 x 16 Unsigned Multiply Routine ............................ 90

8 x 8 Signed Multiply Routine .................................... 89

8 x 8 Unsigned Multiply Routine ................................ 89

Changing Between Capture Prescalers ................... 141

Computed GOTO Using an Offset Value ................... 56

Data EEPROM Read ................................................. 75

Data EEPROM Refresh Routine ................................ 76

Data EEPROM Write ................................................. 75

Erasing a Flash Program Memory Row ..................... 84

Fast Register Stack .................................................... 56

How to Clear RAM (Bank 1) Using

Indirect Addressing ............................................ 67

Implementing a Real-Time Clock

Using a Timer1 Interrupt Service ..................... 131

Initializing PORTA ...................................................... 91

Initializing PORTB ...................................................... 94

Initializing PORTC ...................................................... 97

Initializing PORTD .................................................... 100

Initializing PORTE .................................................... 103

Loading the SSPBUF (SSPSR) Register ................. 164

Reading a Flash Program Memory Word .................. 83

Saving STATUS, WREG and

BSR Registers in RAM ..................................... 121

Writing to Flash Program Memory ....................... 86–87

Code Protection ....................................................... 249, 263

Associated Registers ............................................... 263

Configuration Register Protection ............................ 266

Data EEPROM ......................................................... 266

Program Memory ..................................................... 264

COMF ............................................................................... 284

Comparator ...................................................................... 233

Analog Input Connection Considerations ................. 237

Associated Registers ............................................... 237

Configuration ............................................................ 234

Effects of a Reset ..................................................... 236

Interrupts ................................................................. 236

Operation ................................................................. 235

Operation During Sleep ........................................... 236

Outputs .................................................................... 235

Reference ................................................................ 235

External Signal ................................................ 235

Internal Signal .................................................. 235

Response Time ........................................................ 235

Comparator Specifications ............................................... 338

Comparator Voltage Reference ....................................... 239

Accuracy and Error .................................................. 240

Associated Registers ............................................... 241

Configuring .............................................................. 239

Connection Considerations ...................................... 240

Effects of a Reset .................................................... 240

Operation During Sleep ........................................... 240

Compare (CCP Module) .................................................. 142

Associated Registers ............................................... 143

CCPRx Register ...................................................... 142

Pin Configuration ..................................................... 142

Software Interrupt .................................................... 142

Special Event Trigger .............................. 137, 142, 232

Timer1/Timer3 Mode Selection ................................ 142

Compare (ECCP Module) ................................................ 148

Special Event Trigger .............................................. 148

Computed GOTO ............................................................... 56

Configuration Bits ............................................................ 249

Context Saving During Interrupts ..................................... 121

Conversion Considerations .............................................. 395

CPFSEQ .......................................................................... 284

CPFSGT .......................................................................... 285

CPFSLT ........................................................................... 285

Crystal Oscillator/Ceramic Resonator ................................ 23

Customer Change Notification Service ............................ 407

Customer Notification Service ......................................... 407

Customer Support ............................................................ 407

Data Addressing Modes .................................................... 67

Comparing Options with the Extended

Instruction Set Enabled ..................................... 70

Direct ......................................................................... 67

Indexed Literal Offset ................................................ 69

Instructions Affected .......................................... 69

Indirect ....................................................................... 67

Inherent and Literal .................................................... 67

Data EEPROM Memory ..................................................... 73

Associated Registers ................................................. 77

EEADR and EEADRH Registers ............................... 73

EECON1 and EECON2 Registers ............................. 73

Operation During Code-Protect ................................. 76

Protection Against Spurious Write ............................. 76

Reading ..................................................................... 75

Using ......................................................................... 76

Write Verify ................................................................ 75

Writing ....................................................................... 75

Data Memory ..................................................................... 59

Access Bank .............................................................. 61

and the Extended Instruction Set .............................. 69

Bank Select Register (BSR) ...................................... 59

General Purpose Registers ....................................... 61

Map for PIC18FX525/X620 ........................................ 60

Special Function Registers ........................................ 62

DAW ................................................................................ 286

DC and AC Characteristics

Graphs and Tables .................................................. 361

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