Datasheet

PIC18F6585/8585/6680/8680
DS30491D-page 476  2003-2013 Microchip Technology Inc.
E
ECAN Module ................................................................... 275
Baud Rate Setting.....................................................337
Bit Time Partitioning..................................................337
Bit Timing Configuration
Registers........................................................... 340
Calculating T
Q, Nominal Bit Rate and
Nominal Bit Time............................................... 338
CAN Baud Rate Registers ........................................ 315
CAN Control and Status
Registers........................................................... 277
CAN Controller Register Map ................................... 323
CAN I/O Control Register..........................................318
CAN Interrupt Registers............................................319
CAN Interrupts ..........................................................342
Acknowledge..................................................... 343
Bus Activity Wake-up ........................................ 343
Bus-Off.............................................................. 343
Code Bits ..........................................................342
Error ..................................................................343
Message Error ..................................................343
Receive .............................................................343
Receiver Bus Passive .......................................343
Receiver Overflow............................................. 343
Receiver Warning .............................................343
Transmit............................................................342
Transmitter Bus Passive...................................343
Transmitter Warning .........................................343
CAN Message Buffers .............................................. 331
Dedicated Receive............................................ 331
Dedicated Transmit........................................... 331
Programmable Auto-RTR .................................332
Programmable
Transmit/Receive...................................... 331
CAN Message Transmission .................................... 332
Aborting............................................................. 332
Initiating............................................................. 332
Priority...............................................................333
CAN Modes of Operation..........................................328
CAN Registers ..........................................................277
Configuration Mode................................................... 328
Dedicated CAN Receive
Buffer Registers ................................................ 291
Dedicated CAN Transmit
Buffer Registers ................................................ 285
Disable Mode ............................................................328
Error Detection..........................................................341
Acknowledge..................................................... 341
Bit...................................................................... 341
CRC ..................................................................341
Error Modes and Counters................................ 341
Error States....................................................... 341
Form.................................................................. 341
Stuff Bit .............................................................341
Error Modes State (diagram) .................................... 342
Error Recognition Mode ............................................ 330
Filter-Mask Truth (table)............................................ 335
Functional Modes...................................................... 330
Mode 0 - Legacy Mode ..................................... 330
Mode 1 - Enhanced
Legacy Mode ............................................ 330
Mode 2 - Enhanced
FIFO Mode................................................ 331
Information Processing Time
(IPT).................................................................. 338
Lengthening a Bit Period .......................................... 339
Listen Only Mode...................................................... 330
Loopback Mode ........................................................ 330
Message Acceptance Filters
and Masks ................................................ 306, 335
Message Acceptance Mask and
Filter Operation................................................. 336
Message Reception.................................................. 334
Enhanced FIFO Mode ...................................... 335
Priority .............................................................. 334
Time-Stamping ................................................. 335
Normal Mode ............................................................ 328
Oscillator Tolerance.................................................. 340
Overview................................................................... 275
Phase Buffer Segments............................................ 338
Programmable TX/RX and
Auto-RTR Buffers ............................................. 297
Programming Time Segments.................................. 340
Propagation Segment............................................... 338
Sample Point ............................................................ 338
Shortening a Bit Period............................................. 340
Synchronization........................................................ 339
Hard.................................................................. 339
Resynchronization............................................ 339
Rules ................................................................ 339
Synchronization Segment......................................... 338
Time Quanta............................................................. 338
Electrical Characteristics .................................................. 413
Enhanced Capture/Compare/PWM
(ECCP) ..................................................................... 175
Outputs ..................................................................... 176
Enhanced PWM Mode.
See PWM (ECCP Module).
Enhanced Universal Synchronous
Asynchronous Receiver
Transmitter (USART)................................................ 229
Errata .................................................................................... 7
Error Recognition Mode.................................................... 328
Evaluation and Programming Tools.................................. 411
Example SPI Mode Requirements
(Master Mode, CKE = 0)........................................... 437
Example SPI Mode Requirements
(Master Mode, CKE = 1)........................................... 438
Example SPI Mode Requirements
(Slave Mode, CKE = 0)............................................. 439
Example SPI Slave Mode Requirements
(CKE = 1).................................................................. 440
External Clock Timing
Requirements ........................................................... 428
External Memory Interface.................................................. 93
16-bit Byte Select Mode.............................................. 98
16-bit Byte Write Mode............................................... 96
16-bit Mode................................................................. 96
16-bit Mode Timing..................................................... 99
16-bit Word Write Mode.............................................. 97
PIC18F8X8X External Bus -
I/O Port Functions............................................... 95
Program Memory Modes ............................................ 93
18F8680.book Page 476 Tuesday, January 29, 2013 1:32 PM