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PIC18F4321 Datasheet, PDF (389/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PIC18F4321 FAMILY
Prescaler, Timer0 ............................................................. 125
Prescaler, Timer2 ............................................................. 145
PRI_IDLE Mode ................................................................. 38
PRI_RUN Mode ................................................................. 34
Program Counter ............................................................... 54
PCL, PCH and PCU Registers ................................... 54
PCLATH and PCLATU Registers .............................. 54
Program Memory
and Extended Instruction Set ..................................... 71
Instructions ................................................................. 58
Two-Word .......................................................... 58
Interrupt Vector .......................................................... 53
Look-up Tables .......................................................... 56
Map and Stack (diagram) ........................................... 53
Reset Vector .............................................................. 53
Program Verification ........................................................ 268
Programming, Device Instructions ................................... 273
PSP. See Parallel Slave Port.
Pulse-Width Modulation. See PWM (CCP Module)
and PWM (ECCP Module).
PUSH ............................................................................... 302
PUSH and POP Instructions .............................................. 55
PUSHL ............................................................................. 318
PWM (CCP Module)
Associated Registers ............................................... 146
Auto-Shutdown (CCP1 Only) ................................... 145
Duty Cycle ................................................................ 144
Example Frequencies/Resolutions .......................... 145
Operation Setup ....................................................... 145
Period ....................................................................... 144
TMR2-to-PR2 Match ........................................ 144, 149
PWM (ECCP Module) ...................................................... 149
CCPR1H:CCPR1L Registers ................................... 149
Duty Cycle ................................................................ 150
Effects of a Reset ..................................................... 159
Enhanced PWM Auto-Shutdown ............................. 156
Example Frequencies/Resolutions .......................... 150
Full-Bridge Application Example .............................. 154
Full-Bridge Mode ...................................................... 153
Direction Change ............................................. 154
Half-Bridge Mode ..................................................... 152
Half-Bridge Output Mode Applications
Example ........................................................... 152
Operation in Power-Managed Modes ...................... 159
Operation with Fail-Safe Clock Monitor ................... 159
Output Configurations .............................................. 150
Output Relationships (Active-High) .......................... 151
Output Relationships (Active-Low) ........................... 151
Period ....................................................................... 149
Programmable Dead-Band Delay ............................ 156
Setup for PWM Operation ........................................ 159
Start-up Considerations ........................................... 158
Q
Q Clock .................................................................... 145, 150
R
RAM. See Data Memory.
RBIF Bit ............................................................................ 108
RC Oscillator ...................................................................... 25
RCIO Oscillator Mode ................................................ 25
RC_IDLE Mode .................................................................. 39
RC_RUN Mode .................................................................. 35
RCALL ............................................................................. 303
RCON Register
Bit Status During Initialization .................................... 48
Reader Response ............................................................ 392
Register File ....................................................................... 61
Register File Summary ................................................ 63–65
Registers
ADCON0 (A/D Control 0) ......................................... 227
ADCON1 (A/D Control 1) ......................................... 228
ADCON2 (A/D Control 2) ......................................... 229
BAUDCON (Baud Rate Control) .............................. 208
CCP1CON (Enhanced Capture/Compare/PWM
Control 1) ......................................................... 147
CCPxCON (CCPx Control) ...................................... 139
CMCON (Comparator Control) ................................ 237
CONFIG1H (Configuration 1 High) .......................... 254
CONFIG2H (Configuration 2 High) .......................... 256
CONFIG2L (Configuration 2 Low) ........................... 255
CONFIG3H (Configuration 3 High) .......................... 257
CONFIG4L (Configuration 4 Low) ........................... 258
CONFIG5H (Configuration 5 High) .......................... 259
CONFIG5L (Configuration 5 Low) ........................... 259
CONFIG6H (Configuration 6 High) .......................... 260
CONFIG6L (Configuration 6 Low) ........................... 260
CONFIG7H (Configuration 7 High) .......................... 261
CONFIG7L (Configuration 7 Low) ........................... 261
CVRCON (Comparator Voltage
Reference Control) .......................................... 243
DEVID1 (Device ID 1) .............................................. 262
DEVID2 (Device ID 2) .............................................. 262
ECCP1AS (ECCP Auto-Shutdown Control) ............ 157
ECCP1DEL (PWM Dead-Band Delay) .................... 156
EECON1 (Data EEPROM Control 1) ................... 75, 84
HLVDCON (High/Low-Voltage
Detect Control) ................................................ 247
INTCON (Interrupt Control) ....................................... 93
INTCON2 (Interrupt Control 2) .................................. 94
INTCON3 (Interrupt Control 3) .................................. 95
IPR1 (Peripheral Interrupt Priority 1) ....................... 100
IPR2 (Peripheral Interrupt Priority 2) ....................... 101
OSCCON (Oscillator Control) .................................... 31
OSCTUNE (Oscillator Tuning) ................................... 27
PIE1 (Peripheral Interrupt Enable 1) ......................... 98
PIE2 (Peripheral Interrupt Enable 2) ......................... 99
PIR1 (Peripheral Interrupt
Request (Flag) 1) ............................................... 96
PIR2 (Peripheral Interrupt
Request (Flag) 2) ............................................... 97
RCON (Reset Control) ....................................... 42, 102
RCSTA (Receive Status and Control) ..................... 207
SSPADD(MSSP Address) ....................................... 174
SSPCON1 (MSSP Control 1, I2C Mode) ................. 172
SSPCON1 (MSSP Control 1, SPI Mode) ................ 163
SSPCON2 (MSSP Control 2, I2C Mode) ................. 173
SSPSTAT (MSSP Status, I2C Mode) ...................... 171
SSPSTAT (MSSP Status, SPI Mode) ...................... 162
STATUS .................................................................... 66
STKPTR (Stack Pointer) ............................................ 55
T0CON (Timer0 Control) ......................................... 123
T1CON (Timer1 Control) ......................................... 127
T2CON (Timer2 Control) ......................................... 133
T3CON (Timer3 Control) ......................................... 135
TRISE (PORTE/PSP Control) ................................. 118
TXSTA (Transmit Status and Control) ..................... 206
WDTCON (Watchdog Timer Control) ...................... 264
RESET ............................................................................. 303
Reset State of Registers .................................................... 48
© 2007 Microchip Technology Inc.
Preliminary
DS39689E-page 387