PIC18F2680ISPQTP datasheet(469/482 Pages) MICROCHIP

469 / 482 page

Preliminary

DS39625C-page 467

PIC18F2585/2680/4585/4680

Data Memory ..................................................................... 67

Access Bank .............................................................. 69

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

Bank Select Register (BSR) ....................................... 67

General Purpose Registers ........................................ 69

Map for PIC18F2X8X/4X8X ....................................... 68

Special Function Registers ........................................ 70

DAW ................................................................................. 380

DC and AC Characteristics .............................................. 451

DC Characteristics ........................................................... 426

Power-Down and Supply Current ............................ 418

Supply Voltage ......................................................... 417

DCFSNZ .......................................................................... 381

DECF ............................................................................... 380

DECFSZ ........................................................................... 381

Development Support ...................................................... 411

Device Differences ........................................................... 461

Device Overview .................................................................. 7

Features (table) ............................................................ 9

New Core Features ...................................................... 7

Device Reset Timers .......................................................... 45

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

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

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

Direct Addressing ............................................................... 89

Disable Mode ................................................................... 324

ECAN Technology ........................................................... 273

Baud Rate Setting .................................................... 332

Bit Time Partitioning ................................................. 332

Bit Timing Configuration Registers .......................... 338

Calculating TQ, Nominal Bit Rate

and Nominal Bit Time ...................................... 335

CAN Baud Rate Registers ....................................... 311

CAN Control and Status Registers .......................... 275

CAN Controller Register Map .................................. 319

CAN I/O Control Register ......................................... 314

CAN Interrupt Registers ........................................... 315

CAN Interrupts ......................................................... 339

Acknowledge ................................................... 341

Bus Activity Wake-up ....................................... 341

Bus-Off ............................................................. 341

Code Bits ......................................................... 340

Error ................................................................. 341

Message Error ................................................. 340

Receive ............................................................ 340

Receiver Bus Passive ...................................... 341

Receiver Overflow ........................................... 341

Receiver Warning ............................................ 341

Transmit ........................................................... 340

Transmitter Bus Passive .................................. 341

Transmitter Warning ........................................ 341

CAN Message Buffers ............................................. 326

Dedicated Receive ........................................... 326

Dedicated Transmit .......................................... 326

Programmable Auto-RTR ................................ 327

Programmable Transmit/Receive .................... 326

CAN Message Transmission ................................... 327

Aborting ........................................................... 327

Initiating ........................................................... 327

Priority .............................................................. 328

CAN Modes of Operation ......................................... 324

CAN Registers ......................................................... 275

Configuration Mode ................................................. 324

Dedicated CAN Receive Buffer Registers ............... 287

Dedicated CAN Transmit Buffer Registers .............. 282

Disable Mode ........................................................... 324

Error Detection ........................................................ 338

Acknowledge ................................................... 338

Bit .................................................................... 338

CRC ................................................................. 338

Error Modes and Counters .............................. 338

Error States ..................................................... 338

Form ................................................................ 338

Stuff Bit ............................................................ 338

Error Modes State (diagram) ................................... 339

Error Recognition Mode ........................................... 325

Filter-Mask Truth (table) .......................................... 330

Functional Modes .................................................... 325

Mode 0 (Legacy Mode) .................................... 325

Mode 1 (Enhanced Legacy Mode) .................. 325

Mode 2 (Enhanced FIFO Mode) ...................... 326

Information Processing Time (IPT) .......................... 335

Lengthening a Bit Period ......................................... 337

Listen Only Mode ..................................................... 325

Loopback Mode ....................................................... 325

Message Acceptance Filters and Masks ......... 302, 330

Message Acceptance Mask

and Filter Operation ......................................... 331

Message Reception ................................................. 329

Enhanced FIFO Mode ..................................... 330

Priority ............................................................. 329

Time-Stamping ................................................ 330

Normal Mode ........................................................... 324

Oscillator Tolerance ................................................. 337

Overview .................................................................. 273

Phase Buffer Segments ........................................... 335

Programmable TX/RX and Auto-RTR Buffers ......... 294

Programming Time Segments ................................. 337

Propagation Segment .............................................. 335

Sample Point ........................................................... 335

Shortening a Bit Period ............................................ 337

Synchronization ....................................................... 336

Hard ................................................................. 336

Resynchronization ........................................... 336

Rules ............................................................... 336

Synchronization Segment ........................................ 335

Time Quanta ............................................................ 335

Values for ICODE (table) ......................................... 340

ECCP1

Capture and Compare Modes ................................. 174

Standard PWM Mode .............................................. 174

Effect on Standard PIC Instructions ........................... 91, 408

Effects of Power Managed Modes on

Various Clock Sources .............................................. 31

Electrical Characteristics ................................................. 415

Enhanced Capture/Compare/PWM (ECCP1) .................. 173

Capture Mode.

See Capture (ECCP1 Module).

Outputs and Configuration ....................................... 174

Pin Configurations for ECCP1 ................................. 174

PWM Mode.

See PWM (ECCP1 Module).

Timer Resources ............................................................. 174

Enhanced PWM Mode.

See PWM (ECCP1 Module).

Enhanced Universal Synchronous Receiver Transmitter

(EUSART).

See EUSART.

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