LM3S2637 Datasheet, PDF (7/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

Stellaris^® LM3S2637 Microcontroller
13 Synchronous Serial Interface (SSI) .................................................................... 465
13.1 Block Diagram ............................................................................................................ 465
13.2 Signal Description ....................................................................................................... 465
13.3 Functional Description ................................................................................................. 466
13.3.1 Bit Rate Generation ..................................................................................................... 466
13.3.2 FIFO Operation ........................................................................................................... 467
13.3.3 Interrupts .................................................................................................................... 467
13.3.4 Frame Formats ........................................................................................................... 467
13.4 Initialization and Configuration ..................................................................................... 475
13.5 Register Map .............................................................................................................. 476
13.6 Register Descriptions .................................................................................................. 477
14 Inter-Integrated Circuit (I²C) Interface ................................................................ 503
14.1 Block Diagram ............................................................................................................ 504
14.2 Signal Description ....................................................................................................... 504
14.3 Functional Description ................................................................................................. 504
14.3.1 I²C Bus Functional Overview ........................................................................................ 505
14.3.2 Available Speed Modes ............................................................................................... 507
14.3.3 Interrupts .................................................................................................................... 508
14.3.4 Loopback Operation .................................................................................................... 508
14.3.5 Command Sequence Flow Charts ................................................................................ 508
14.4 Initialization and Configuration ..................................................................................... 516
14.5 Register Map .............................................................................................................. 517
14.6 Register Descriptions (I²C Master) ............................................................................... 518
14.7 Register Descriptions (I²C Slave) ................................................................................. 531
15 Controller Area Network (CAN) Module ............................................................. 540
15.1 Block Diagram ............................................................................................................ 541
15.2 Signal Description ....................................................................................................... 541
15.3 Functional Description ................................................................................................. 542
15.3.1 Initialization ................................................................................................................. 543
15.3.2 Operation ................................................................................................................... 543
15.3.3 Transmitting Message Objects ..................................................................................... 544
15.3.4 Configuring a Transmit Message Object ........................................................................ 544
15.3.5 Updating a Transmit Message Object ........................................................................... 546
15.3.6 Accepting Received Message Objects .......................................................................... 546
15.3.7 Receiving a Data Frame .............................................................................................. 546
15.3.8 Receiving a Remote Frame .......................................................................................... 547
15.3.9 Receive/Transmit Priority ............................................................................................. 547
15.3.10 Configuring a Receive Message Object ........................................................................ 548
15.3.11 Handling of Received Message Objects ........................................................................ 549
15.3.12 Handling of Interrupts .................................................................................................. 552
15.3.13 Test Mode ................................................................................................................... 552
15.3.14 Bit Timing Configuration Error Considerations ............................................................... 554
15.3.15 Bit Time and Bit Rate ................................................................................................... 554
15.3.16 Calculating the Bit Timing Parameters .......................................................................... 556
15.4 Register Map .............................................................................................................. 559
15.5 CAN Register Descriptions .......................................................................................... 561
June 18, 2012
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