LM3S2739 Datasheet, PDF (6/532 Pages) List of Unclassifed Manufacturers – Microcontroller

Table of Contents
14.1 Block Diagram ........................................................................................................................ 325
14.2 Functional Description ............................................................................................................. 325
14.2.1 Bit Rate Generation ................................................................................................................. 326
14.2.2 FIFO Operation ....................................................................................................................... 326
14.2.3 Interrupts ................................................................................................................................ 326
14.2.4 Frame Formats ....................................................................................................................... 327
14.3 Initialization and Configuration ................................................................................................. 334
14.4 Register Map .......................................................................................................................... 335
14.5 Register Descriptions .............................................................................................................. 336
15 Inter-Integrated Circuit (I²C) Interface ............................................................................ 359
15.1 Block Diagram ........................................................................................................................ 359
15.2 Functional Description ............................................................................................................. 359
15.2.1 I²C Bus Functional Overview .................................................................................................... 360
15.2.2 Available Speed Modes ........................................................................................................... 362
15.2.3 Interrupts ................................................................................................................................ 363
15.2.4 Loopback Operation ................................................................................................................ 363
15.2.5 Command Sequence Flow Charts ............................................................................................ 364
15.3 Initialization and Configuration ................................................................................................. 370
15.4 I²C Register Map ..................................................................................................................... 371
15.5 Register Descriptions (I²C Master) ........................................................................................... 372
15.6 Register Descriptions (I2C Slave) ............................................................................................. 385
16 CAN ................................................................................................................................... 394
16.1 Controller Area Network Overview ............................................................................................ 394
16.2 Controller Area Network Features ............................................................................................ 394
16.3 Controller Area Network Block Diagram .................................................................................... 395
16.4 Controller Area Network Functional Description ......................................................................... 396
16.4.1 Initialization ............................................................................................................................. 396
16.4.2 Operation ............................................................................................................................... 397
16.4.3 Transmitting Message Objects ................................................................................................. 397
16.4.4 Configuring a Transmit Message Object .................................................................................... 397
16.4.5 Updating a Transmit Message Object ....................................................................................... 398
16.4.6 Accepting Received Message Objects ...................................................................................... 398
16.4.7 Receiving a Data Frame .......................................................................................................... 399
16.4.8 Receiving a Remote Frame ...................................................................................................... 399
16.4.9 Receive/Transmit Priority ......................................................................................................... 399
16.4.10 Configuring a Receive Message Object .................................................................................... 399
16.4.11 Handling of Received Message Objects .................................................................................... 400
16.4.12 Handling of Interrupts .............................................................................................................. 400
16.4.13 Bit Timing Configuration Error Considerations ........................................................................... 401
16.4.14 Bit Time and Bit Rate ............................................................................................................... 401
16.4.15 Calculating the Bit Timing Parameters ...................................................................................... 403
16.5 Controller Area Network Register Map ...................................................................................... 405
16.6 Register Descriptions .............................................................................................................. 407
17 Analog Comparators ....................................................................................................... 438
17.1 Block Diagram ........................................................................................................................ 438
17.2 Functional Description ............................................................................................................. 438
17.2.1 Internal Reference Programming .............................................................................................. 439
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June 04, 2007
Preliminary