PIC18F4680ISPQTP datasheet(473/482 Pages) MICROCHIP

473 / 482 page

Preliminary

DS39625C-page 471

PIC18F2585/2680/4585/4680

Pinout I/O Descriptions

PIC18F2585/2680 ...................................................... 12

PIC18F4585/4680 ...................................................... 16

PIR Registers ................................................................... 118

PLL

Use with INTOSC ....................................................... 25

PLL Frequency Multiplier ................................................... 25

HSPLL Oscillator Mode .............................................. 25

In INTOSC Modes ...................................................... 26

PLL Lock Time-out ............................................................. 45

POP ................................................................................. 390

POR.

See Power-on Reset.

PORTA

Associated Registers ............................................... 131

I/O Summary ............................................................ 130

LATA Register .......................................................... 129

PORTA Register ...................................................... 129

TRISA Register ........................................................ 129

PORTB

Associated Registers ............................................... 134

I/O Summary ............................................................ 133

LATB Register .......................................................... 132

PORTB Register ...................................................... 132

RB7:RB4 Interrupt-on-Change Flag

(RBIF Bit) ......................................................... 132

TRISB Register ........................................................ 132

PORTC

Associated Registers ............................................... 137

I/O Summary ............................................................ 136

LATC Register ......................................................... 135

PORTC Register ...................................................... 135

RC3/SCK/SCL Pin ................................................... 201

TRISC Register ........................................................ 135

PORTD

Associated Registers ............................................... 140

I/O Summary ............................................................ 139

LATD Register ......................................................... 138

Parallel Slave Port (PSP) Function .......................... 138

PORTD Register ...................................................... 138

TRISD Register ........................................................ 138

PORTE

Associated Registers ............................................... 143

I/O Summary ............................................................ 143

LATE Register .......................................................... 141

PORTE Register ...................................................... 141

PSP Mode Select (PSPMODE Bit) .......................... 138

TRISE Register ........................................................ 141

Postscaler, WDT

Assignment (PSA Bit) .............................................. 149

Rate Select (T0PS2:T0PS0 Bits) ............................. 149

Switching Between Timer0 and WDT ...................... 149

Power Managed Modes ..................................................... 33

and A/D Operation ................................................... 254

and EUSART Operation ........................................... 231

and Multiple Sleep Commands .................................. 34

Clock Sources ............................................................ 33

Clock Transitions and Status Indicators ..................... 34

Effects on Clock Sources ........................................... 31

Entering ...................................................................... 33

Exiting Idle and Sleep Modes .................................... 39

by Interrupt ......................................................... 39

by Reset ............................................................. 39

by WDT Time-out ............................................... 39

Without an Oscillator Start-up Delay .................. 40

Idle Modes ................................................................. 37

PRI_IDLE .......................................................... 38

RC_IDLE ........................................................... 39

SEC_IDLE ......................................................... 38

Run Modes ................................................................ 34

PRI_RUN ........................................................... 34

RC_RUN ............................................................ 35

SEC_RUN ......................................................... 34

Selecting .................................................................... 33

Sleep Mode ............................................................... 37

Summary (table) ........................................................ 33

Power-on Reset (POR) ...................................................... 43

Oscillator Start-up Timer (OST) ................................. 45

Power-up Timer (PWRT) ........................................... 45

Time-out Sequence ................................................... 45

Power-up Delays ............................................................... 31

Power-up Timer (PWRT) ............................................. 31, 45

Prescaler

Timer2 ..................................................................... 176

Prescaler, Capture ........................................................... 165

Prescaler, Timer0 ............................................................ 149

Assignment (PSA Bit) .............................................. 149

Rate Select (T0PS2:T0PS0 Bits) ............................. 149

Switching Between Timer0 and WDT ...................... 149

Prescaler, Timer2 ............................................................ 170

PRI_IDLE Mode ................................................................. 38

PRI_RUN Mode ................................................................. 34

Program Counter ............................................................... 62

PCL, PCH and PCU Registers .................................. 62

PCLATH and PCLATU Registers .............................. 62

Program Memory

and the Extended Instruction Set .............................. 91

Code Protection ....................................................... 358

Instructions ................................................................ 66

Two-Word .......................................................... 66

Interrupt Vector .......................................................... 61

Look-up Tables .......................................................... 64

Map and Stack (diagram) .......................................... 61

Reset Vector .............................................................. 61

Program Verification and Code Protection ...................... 357

Associated Registers ............................................... 357

Programming, Device Instructions ................................... 361

PSP.

See Parallel Slave Port.

Pulse-Width Modulation.

See PWM (CCP1 Module)

and PWM (ECCP1 Module).

PUSH ............................................................................... 390

PUSH and POP Instructions .............................................. 63

PUSHL ............................................................................. 406

PWM (CCP1 Module) ...................................................... 169

Associated Registers ............................................... 171

Duty Cycle ............................................................... 169

ECCPR1H:ECCPR1L Registers .............................. 169

Example Frequencies/Resolutions .......................... 170

Period ...................................................................... 169

Setup for PWM Operation ....................................... 170

TMR2 to PR2 Match ................................................ 169

PWM (ECCP1 Module) .................................................... 175

Associated Registers ............................................... 186

Auto-Shutdown ........................................................ 170

Direction Change in Full-Bridge

Output Mode .................................................... 180

Duty Cycle ............................................................... 176

ECCPR1H:ECCPR1L Registers .............................. 175

Effects of a Reset .................................................... 185

Enhanced PWM Auto-Shutdown ............................. 182

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