PIC18F2331_10 Datasheet, PDF (380/392 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

PIC18F2331/2431/4331/4431
CCP2 ........................................................................ 145
CCPR2H Register............................................. 145
CCPR2L Register ............................................. 145
Compare Mode. See Compare.
Timer Resources....................................................... 145
CKE Bit.............................................................................. 206
CKP Bit.............................................................................. 207
Clock Sources ..................................................................... 34
Effects of Power-Managed Modes .............................. 37
Selection Using OSCCON Register ............................ 34
Clocking Scheme/Instruction Cycle..................................... 65
CLRF................................................................................. 299
CLRWDT........................................................................... 299
Code Examples
Changing Between Capture Prescalers .................... 146
Computed GOTO Using an Offset Value .................... 64
Data EEPROM Read .................................................. 81
Data EEPROM Refresh Routine ................................. 82
Data EEPROM Write .................................................. 81
Erasing a Flash Program Memory Row ...................... 90
Fast Register Stack..................................................... 64
How to Clear RAM (Bank 1) Using
Indirect Addressing ............................................. 75
Implementing a Real-Time Clock Using a
Timer1 Interrupt Service ................................... 135
Initializing PORTA ..................................................... 113
Initializing PORTB ..................................................... 116
Initializing PORTC..................................................... 119
Initializing PORTD..................................................... 122
Initializing PORTE ..................................................... 124
Reading a Flash Program Memory Word ................... 89
Saving STATUS, WREG and BSR
Registers in RAM .............................................. 112
Writing to Flash Program Memory ........................ 93–94
16 x 16 Signed Multiply Routine ................................. 96
16 x 16 Unsigned Multiply Routine ............................. 96
8 x 8 Signed Multiply Routine ..................................... 95
8 x 8 Unsigned Multiply Routine ................................. 95
Code Protection ........................................................ 263, 279
Associated Registers ................................................ 279
Data EEPROM .......................................................... 282
Program Memory ...................................................... 280
COMF................................................................................ 300
Compare (CCP Module).................................................... 147
Associated Registers ................................................ 148
CCP Pin Configuration .............................................. 147
CCPR1 Register ....................................................... 147
CCPR2 Register ....................................................... 147
Software Interrupt Mode ........................................... 147
Special Event Trigger................................................ 147
Timer1 Mode Selection ............................................. 147
Configuration Bits.............................................................. 263
Configuration Register Protection ..................................... 282
Conversion Considerations ............................................... 376
CPFSEQ ........................................................................... 300
CPFSGT............................................................................ 301
CPFSLT ............................................................................ 301
Crystal Oscillator/Ceramic Resonators ............................... 29
Customer Change Notification Service ............................. 387
Customer Notification Service........................................... 387
Customer Support ............................................................. 387
D
D/A Bit............................................................................... 206
Data Addressing Modes ..................................................... 75
Direct .......................................................................... 75
Indirect ........................................................................ 75
Inherent and Literal..................................................... 75
Data EEPROM Memory...................................................... 79
Associated Registers .................................................. 83
EEADR Register ......................................................... 79
EECON1 and EECON2 Registers .............................. 79
Operation During Code-Protect .................................. 82
Protection Against Spurious Write .............................. 81
Reading ...................................................................... 81
Using .......................................................................... 82
Write Verify ................................................................. 81
Writing ........................................................................ 81
Data Memory ...................................................................... 67
Access Bank ............................................................... 68
Bank Select Register (BSR) ....................................... 68
General Purpose Register (GPR) File ........................ 68
Map for PIC18F2331/2431/4331/4431 ....................... 67
Special Function Registers (SFRs)............................. 69
DAW ................................................................................. 302
DC Characteristics............................................................ 339
Power-Down and Supply Current ............................. 332
Supply Voltage ......................................................... 331
DCFSNZ ........................................................................... 303
DECF ................................................................................ 302
DECFSZ ........................................................................... 303
Development Support ....................................................... 325
Device Differences............................................................ 375
Device Overview................................................................. 11
Features (table) .......................................................... 13
New Core Features..................................................... 11
Other Special Features............................................... 12
Device Reset Timers
Oscillator Start-up Timer (OST) .................................. 50
PLL Lock Time-out...................................................... 50
Power-up Timer (PWRT) ............................................ 50
Time-out Sequence .................................................... 50
Direct Addressing ............................................................... 76
E
Electrical Characteristics .................................................. 329
Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) .............................. 217
Equations
A/D Acquisition Time ................................................ 249
Conversion Time for Multi-Channel Modes .............. 254
Minimum A/D Holding Capacitor Charging Time ...... 249
PWM Period for Free-Running Mode ....................... 185
PWM Period for Up/Down Count Mode .................... 185
PWM Resolution ....................................................... 185
16 x 16 Signed Multiplication Algorithm...................... 96
16 x 16 Unsigned Multiplication Algorithm.................. 96
Errata .................................................................................... 9
DS39616D-page 380
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