PIC18F2450_08 Datasheet, PDF (315/324 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

Extended Instruction Set .................................................. 255
ADDFSR .................................................................. 256
ADDULNK ................................................................ 256
CALLW ..................................................................... 257
Considerations for Use ............................................ 260
MOVSF .................................................................... 257
MOVSS .................................................................... 258
PUSHL ..................................................................... 258
SUBFSR .................................................................. 259
SUBULNK ................................................................ 259
Syntax ...................................................................... 255
Use with MPLAB IDE Tools ..................................... 262
External Clock Input ........................................................... 26
F
Fail-Safe Clock Monitor ............................................ 191, 206
Exiting Operation ..................................................... 206
Interrupts in Power-Managed Modes ....................... 207
POR or Wake-up From Sleep .................................. 207
WDT During Oscillator Failure ................................. 206
Fast Register Stack ............................................................ 56
Firmware Instructions ....................................................... 213
Flash Program Memory ..................................................... 73
Associated Registers ................................................. 81
Control Registers ....................................................... 74
EECON1 and EECON2 ..................................... 74
TABLAT (Table Latch) Register ......................... 76
TBLPTR (Table Pointer) Register ...................... 76
Erase Sequence ........................................................ 78
Erasing ....................................................................... 78
Operation During Code-Protect ................................. 81
Protection Against Spurious Writes ........................... 81
Reading ...................................................................... 77
Table Pointer
Boundaries Based on Operation ........................ 76
Table Pointer Boundaries .......................................... 76
Table Reads and Table Writes .................................. 73
Unexpected Termination of Write .............................. 81
Write Sequence ......................................................... 79
Write Verify ................................................................ 81
Writing To ................................................................... 79
FSCM. See Fail-Safe Clock Monitor.
G
GOTO .............................................................................. 234
H
Hardware Multiplier ............................................................ 83
Introduction ................................................................ 83
Operation ................................................................... 83
Performance Comparison .......................................... 83
High/Low-Voltage Detect ................................................. 185
Applications .............................................................. 188
Associated Registers ............................................... 189
Characteristics ......................................................... 282
Current Consumption ............................................... 187
Effects of a Reset ..................................................... 189
Operation ................................................................. 186
During Sleep .................................................... 189
Setup ........................................................................ 187
Start-up Time ........................................................... 187
Typical Application ................................................... 188
HLVD. See High/Low-Voltage Detect.
PIC18F2450/4450
I
I/O Ports ............................................................................ 99
ID Locations ............................................................. 191, 211
Idle Modes ......................................................................... 37
INCF ................................................................................ 234
INCFSZ ............................................................................ 235
In-Circuit Debugger .......................................................... 211
In-Circuit Serial Programming (ICSP) ...................... 191, 211
Indexed Literal Offset Addressing
and Standard PIC18 Instructions ............................. 260
Indexed Literal Offset Mode ............................................. 260
Indirect Addressing ............................................................ 68
INFSNZ ............................................................................ 235
Initialization Conditions for all Registers ...................... 49–52
Instruction Cycle ................................................................ 57
Clocking Scheme ....................................................... 57
Flow/Pipelining .......................................................... 57
Instruction Set .................................................................. 213
ADDLW .................................................................... 219
ADDWF ................................................................... 219
ADDWF (Indexed Literal Offset mode) .................... 261
ADDWFC ................................................................. 220
ANDLW .................................................................... 220
ANDWF ................................................................... 221
BC ............................................................................ 221
BCF ......................................................................... 222
BN ............................................................................ 222
BNC ......................................................................... 223
BNN ......................................................................... 223
BNOV ...................................................................... 224
BNZ ......................................................................... 224
BOV ......................................................................... 227
BRA ......................................................................... 225
BSF .......................................................................... 225
BSF (Indexed Literal Offset mode) .......................... 261
BTFSC ..................................................................... 226
BTFSS ..................................................................... 226
BTG ......................................................................... 227
BZ ............................................................................ 228
CALL ........................................................................ 228
CLRF ....................................................................... 229
CLRWDT ................................................................. 229
COMF ...................................................................... 230
CPFSEQ .................................................................. 230
CPFSGT .................................................................. 231
CPFSLT ................................................................... 231
DAW ........................................................................ 232
DCFSNZ .................................................................. 233
DECF ....................................................................... 232
DECFSZ .................................................................. 233
General Format ....................................................... 215
GOTO ...................................................................... 234
INCF ........................................................................ 234
INCFSZ .................................................................... 235
INFSNZ .................................................................... 235
IORLW ..................................................................... 236
IORWF ..................................................................... 236
LFSR ....................................................................... 237
MOVF ...................................................................... 237
MOVFF .................................................................... 238
MOVLB .................................................................... 238
MOVLW ................................................................... 239
© 2008 Microchip Technology Inc.
DS39760D-page 313