PIC18F2525 Datasheet, PDF (378/390 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2525/2620/4525/4620
BOV .................................................................................. 281
BRA .................................................................................. 279
Break Character (12-Bit) Transmit and Receive .............. 216
BRG. See Baud Rate Generator.
Brown-out Reset (BOR) ..................................................... 44
Detecting .................................................................... 44
Disabling in Sleep Mode ............................................ 44
Software Enabled ....................................................... 44
BSF .................................................................................. 279
BTFSC ............................................................................. 280
BTFSS .............................................................................. 280
BTG .................................................................................. 281
BZ ..................................................................................... 282
C
C Compilers
MPLAB C17 ............................................................. 318
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 ................................................. 85
Data EEPROM Refresh Routine ................................ 86
Data EEPROM Write ................................................. 85
Erasing a Flash Program Memory Row ..................... 78
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 .................................................... 105
Initializing PORTB .................................................... 108
Initializing PORTC .................................................... 111
Initializing PORTD .................................................... 114
Initializing PORTE .................................................... 117
Loading the SSPBUF (SSPSR)
Register ........................................................... 164
Reading a Flash Program
Memory Word .................................................... 77
Saving Status, WREG and
BSR Registers in RAM .................................... 103
Writing to Flash Program Memory ....................... 80–81
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 ............................................... 339
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 ..................................... 103
Conversion Considerations .............................................. 372
CPFSEQ .......................................................................... 284
CPFSGT .......................................................................... 285
CPFSLT ........................................................................... 285
Crystal Oscillator/Ceramic Resonator ................................ 23
D
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
DS39626B-page 376
Preliminary
 2004 Microchip Technology Inc.