PIC18F2680ISPSQTP datasheet(468/482 Pages) MICROCHIP

468 / 482 page

PIC18F2585/2680/4585/4680

DS39625C-page 466

Preliminary

C Compilers

MPLAB C18 ............................................................. 412

MPLAB C30 ............................................................. 412

CALL ................................................................................ 376

CALLW ............................................................................. 405

Capture (CCP1 Module) ................................................... 165

Associated Registers ............................................... 168

CCP1 Pin Configuration ........................................... 165

Software Interrupt .................................................... 165

Timer1/Timer3 Mode Selection ................................ 165

Capture (ECCP1 Module) ................................................ 174

ECCPR1H:ECCPR1L Registers .............................. 165

Capture/Compare/PWM (CCP1) ...................................... 163

Capture Mode.

See Capture.

CCP1 Mode and Timer Resources .......................... 164

CCPR1H or ECCPR1H Register ............................. 164

CCPR1L or ECCPR1L Register ............................... 164

Compare Mode.

See Compare.

Interaction Between CCP1 and ECCP1

for Timer Resources ........................................ 164

Module Configuration ............................................... 164

PWM Mode.

See PWM.

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

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

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

CLRF ................................................................................ 377

CLRWDT .......................................................................... 377

Code Examples

16 x 16 Signed Multiply Routine .............................. 112

16 x 16 Unsigned Multiply Routine .......................... 112

8 x 8 Signed Multiply Routine .................................. 111

8 x 8 Unsigned Multiply Routine .............................. 111

Changing Between Capture Prescalers ................... 165

Changing to Configuration Mode ............................. 278

Computed GOTO Using an Offset Value ................... 64

Data EEPROM Read ............................................... 107

Data EEPROM Refresh Routine .............................. 108

Data EEPROM Write ............................................... 107

Erasing a Flash Program Memory Row ................... 100

Fast Register Stack .................................................... 64

How to Clear RAM (Bank 1) Using

Indirect Addressing ............................................ 88

Implementing a Real-Time Clock Using

a Timer1 Interrupt Service ............................... 155

Initializing PORTA .................................................... 129

Initializing PORTB .................................................... 132

Initializing PORTC .................................................... 135

Initializing PORTD .................................................... 138

Initializing PORTE .................................................... 141

Loading the SSPBUF (SSPSR) Register ................. 190

Reading a CAN Message ........................................ 293

Reading a Flash Program Memory Word .................. 99

Saving Status, WREG and

BSR Registers in RAM ..................................... 128

Transmitting a CAN Message Using

Banked Method ................................................ 286

Transmitting a CAN Message

Using WIN Bits ................................................. 286

WIN and ICODE Bits Usage in Interrupt Service

Routine to Access TX/RX Buffers .................... 278

Writing to Flash Program Memory ................... 102–103

Code Protection ............................................................... 343

COMF ............................................................................... 378

Comparator ...................................................................... 257

Analog Input Connection Considerations ................ 261

Associated Registers ............................................... 261

Configuration ........................................................... 258

Effects of a Reset .................................................... 260

Interrupts ................................................................. 260

Operation ................................................................. 259

Operation During Sleep ........................................... 260

Outputs .................................................................... 259

Reference ................................................................ 259

External Signal ................................................ 259

Internal Signal .................................................. 259

Response Time ........................................................ 259

Comparator Specifications ............................................... 429

Comparator Voltage Reference ....................................... 263

Accuracy and Error .................................................. 264

Associated Registers ............................................... 265

Configuring .............................................................. 263

Connection Considerations ...................................... 264

Effects of a Reset .................................................... 264

Operation During Sleep ........................................... 264

Compare (CCP Module)

Special Event Trigger .............................................. 161

Compare (CCP1 Module) ................................................ 167

Associated Registers ............................................... 168

CCP1 Pin Configuration ........................................... 167

CCPR1 Register ...................................................... 167

Software Interrupt .................................................... 167

Special Event Trigger .............................................. 167

Timer1/Timer3 Mode Selection ................................ 167

Compare (ECCP Module) ................................................ 174

Compare (ECCP1 Module)

Special Event Trigger ...................................... 174, 256

Configuration Bits ............................................................ 343

Configuration Mode ......................................................... 324

Configuration Register Protection .................................... 360

Context Saving During Interrupts ..................................... 128

Conversion Considerations .............................................. 462

CPFSEQ .......................................................................... 378

CPFSGT .......................................................................... 379

CPFSLT ........................................................................... 379

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

Customer Change Notification Service ............................ 476

Customer Notification Service ......................................... 476

Customer Support ............................................................ 476

Data Addressing Modes .................................................... 88

Comparing Addressing Modes with the

Extended Instruction Set Enabled ..................... 92

Direct ......................................................................... 88

Indexed Literal Offset ................................................ 91

Indirect ....................................................................... 88

Inherent and Literal .................................................... 88

Data EEPROM

Code Protection ....................................................... 360

Data EEPROM Memory ................................................... 105

Associated Registers ............................................... 109

EEADR and EEADRH Registers ............................. 105

EECON1 and EECON2 Registers ........................... 105

Operation During Code-Protect ............................... 108

Protection Against Spurious Write ........................... 108

Reading ................................................................... 107

Using ....................................................................... 108

Write Verify .............................................................. 107

Writing ..................................................................... 107

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