LM3S2965 Datasheet, PDF (6/542 Pages) List of Unclassifed Manufacturers – Microcontroller

Table of Contents
14.1 Block Diagram ........................................................................................................................ 331
14.2 Functional Description ............................................................................................................. 331
14.2.1 Bit Rate Generation ................................................................................................................. 332
14.2.2 FIFO Operation ....................................................................................................................... 332
14.2.3 Interrupts ................................................................................................................................ 332
14.2.4 Frame Formats ....................................................................................................................... 333
14.3 Initialization and Configuration ................................................................................................. 340
14.4 Register Map .......................................................................................................................... 341
14.5 Register Descriptions .............................................................................................................. 342
15 Inter-Integrated Circuit (I²C) Interface ............................................................................ 366
15.1 Block Diagram ........................................................................................................................ 366
15.2 Functional Description ............................................................................................................. 366
15.2.1 I²C Bus Functional Overview .................................................................................................... 367
15.2.2 Available Speed Modes ........................................................................................................... 369
15.2.3 Interrupts ................................................................................................................................ 370
15.2.4 Loopback Operation ................................................................................................................ 370
15.2.5 Command Sequence Flow Charts ............................................................................................ 371
15.3 Initialization and Configuration ................................................................................................. 377
15.4 I²C Register Map ..................................................................................................................... 378
15.5 Register Descriptions (I²C Master) ........................................................................................... 379
15.6 Register Descriptions (I2C Slave) ............................................................................................. 392
16 CAN ................................................................................................................................... 401
16.1 Controller Area Network Overview ............................................................................................ 401
16.2 Controller Area Network Features ............................................................................................ 401
16.3 Controller Area Network Block Diagram .................................................................................... 402
16.4 Controller Area Network Functional Description ......................................................................... 403
16.4.1 Initialization ............................................................................................................................. 403
16.4.2 Operation ............................................................................................................................... 404
16.4.3 Transmitting Message Objects ................................................................................................. 404
16.4.4 Configuring a Transmit Message Object .................................................................................... 404
16.4.5 Updating a Transmit Message Object ....................................................................................... 405
16.4.6 Accepting Received Message Objects ...................................................................................... 405
16.4.7 Receiving a Data Frame .......................................................................................................... 406
16.4.8 Receiving a Remote Frame ...................................................................................................... 406
16.4.9 Receive/Transmit Priority ......................................................................................................... 406
16.4.10 Configuring a Receive Message Object .................................................................................... 406
16.4.11 Handling of Received Message Objects .................................................................................... 407
16.4.12 Handling of Interrupts .............................................................................................................. 407
16.4.13 Bit Timing Configuration Error Considerations ........................................................................... 408
16.4.14 Bit Time and Bit Rate ............................................................................................................... 408
16.4.15 Calculating the Bit Timing Parameters ...................................................................................... 410
16.5 Controller Area Network Register Map ...................................................................................... 412
16.6 Register Descriptions .............................................................................................................. 414
17 Analog Comparators ....................................................................................................... 445
17.1 Block Diagram ........................................................................................................................ 446
17.2 Functional Description ............................................................................................................. 446
17.2.1 Internal Reference Programming .............................................................................................. 448
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June 04, 2007
Preliminary