PIC18F2220_07 Datasheet, PDF (374/386 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
C
C Compilers
MPLAB C18 ............................................................. 300
MPLAB C30 ............................................................. 300
CALL ................................................................................ 270
Capture (CCP Module) ..................................................... 135
Associated Registers ............................................... 137
CCP Pin Configuration ............................................. 135
CCPR1H:CCPR1L Registers ................................... 135
Software Interrupt ..................................................... 135
Timer1/Timer3 Mode Selection ................................ 135
Capture (ECCP Module) .................................................. 142
Capture/Compare/PWM (CCP) ........................................ 133
Capture Mode. See Capture.
CCP1 ........................................................................ 134
CCPR1H Register ............................................ 134
CCPR1L Register ............................................ 134
CCP2 ........................................................................ 134
CCPR2H Register ............................................ 134
CCPR2L Register ............................................ 134
Compare Mode. See Compare.
Interaction of Two CCP Modules ............................. 134
PWM Mode. See PWM.
Timer Resources ...................................................... 134
Clock Sources .................................................................... 24
Selection Using OSCCON Register ........................... 24
Clocking Scheme/Instruction Cycle .................................... 57
CLRF ................................................................................ 271
CLRWDT .......................................................................... 271
Code Examples
16 x 16 Signed Multiply Routine ................................. 86
16 x 16 Unsigned Multiply Routine ............................. 86
8 x 8 Signed Multiply Routine ..................................... 85
8 x 8 Unsigned Multiply Routine ................................. 85
Changing Between Capture Prescalers ................... 135
Computed GOTO Using an Offset Value ................... 59
Data EEPROM Read ................................................. 83
Data EEPROM Refresh Routine ................................ 84
Data EEPROM Write .................................................. 83
Erasing a Flash Program Memory Row ..................... 76
Fast Register Stack .................................................... 56
How to Clear RAM (Bank 1) Using
Indirect Addressing ............................................ 66
Implementing a Real-Time Clock Using
a Timer1 Interrupt Service ............................... 125
Initializing PORTA .................................................... 101
Initializing PORTB .................................................... 104
Initializing PORTC .................................................... 107
Initializing PORTD .................................................... 109
Initializing PORTE .................................................... 111
Loading the SSPBUF (SSPSR) Register ................. 158
Reading a Flash Program Memory Word ................... 75
Saving Status, WREG and BSR
Registers in RAM ............................................... 99
Writing to Flash Program Memory ....................... 78–79
Code Protection ....................................................... 237, 251
COMF ............................................................................... 272
Comparator ...................................................................... 221
Analog Input Connection Considerations ................. 225
Associated Registers ............................................... 226
Configuration ............................................................ 221
Effects of a Reset ..................................................... 225
Interrupts .................................................................. 224
Operation ................................................................. 223
Operation in Power-Managed Modes ...................... 225
DS39599F-page 372
Outputs .................................................................... 223
Reference ................................................................ 223
Response Time ........................................................ 223
Comparator Specifications ............................................... 319
Comparator Voltage Reference ....................................... 227
Accuracy and Error .................................................. 228
Associated Registers ............................................... 229
Configuring .............................................................. 227
Connection Considerations ...................................... 228
Effects of a Reset .................................................... 228
Operation in Power-Managed Modes ...................... 228
Compare (CCP Module) .................................................. 136
Associated Registers ............................................... 137
CCP Pin Configuration ............................................. 136
CCPR1 Register ...................................................... 136
Software Interrupt .................................................... 136
Special Event Trigger .......................................136, 220
Timer1/Timer3 Mode Selection ................................ 136
Compare (ECCP Mode) ................................................... 142
Computed GOTO ............................................................... 59
Configuration Bits ............................................................ 237
Configuration Register Protection .................................... 254
Context Saving During Interrupts ....................................... 99
Control Registers
EECON1 and EECON2 ............................................. 72
Conversion Considerations .............................................. 368
CPFSEQ .......................................................................... 272
CPFSGT .......................................................................... 273
CPFSLT ........................................................................... 273
Crystal Oscillator/Ceramic Resonator ................................ 19
Customer Change Notification Service ............................ 380
Customer Notification Service .......................................... 380
Customer Support ............................................................ 380
D
Data EEPROM Code Protection ...................................... 254
Data EEPROM Memory ..................................................... 81
Associated Registers ................................................. 84
EEADR Register ........................................................ 81
EECON1 and EECON2 Registers ............................. 81
Operation During Code-Protect ................................. 84
Protection Against Spurious Write ............................. 83
Reading ..................................................................... 83
Using .......................................................................... 84
Write Verify ................................................................ 83
Writing ........................................................................ 83
Data Memory ..................................................................... 59
General Purpose Registers ....................................... 59
Map for PIC18F2X20/4X20 ........................................ 60
Special Function Registers ........................................ 61
DAW ................................................................................ 274
DC and AC Characteristics
Graphs and Tables .................................................. 341
DC Characteristics ........................................................... 316
Power-Down and Supply Current ............................ 307
Supply Voltage ......................................................... 306
DCFSNZ .......................................................................... 275
DECF ............................................................................... 274
DECFSZ .......................................................................... 275
Development Support ...................................................... 299
Device Differences ........................................................... 367
Device Overview .................................................................. 7
Features (table) ........................................................... 8
New Core Features ...................................................... 7
Other Special Features ................................................ 7
Direct Addressing ............................................................... 67
© 2007 Microchip Technology Inc.