LM3S2793 Datasheet, PDF (8/1194 Pages) Texas Instruments – Stellaris® LM3S2793 Microcontroller

Table of Contents
15.3.4 Frame Formats ........................................................................................................... 766
15.3.5 DMA Operation ........................................................................................................... 773
15.4 Initialization and Configuration ..................................................................................... 774
15.5 Register Map .............................................................................................................. 775
15.6 Register Descriptions .................................................................................................. 776
16 Inter-Integrated Circuit (I²C) Interface ................................................................ 804
16.1 Block Diagram ............................................................................................................ 805
16.2 Signal Description ....................................................................................................... 805
16.3 Functional Description ................................................................................................. 806
16.3.1 I²C Bus Functional Overview ........................................................................................ 806
16.3.2 Available Speed Modes ............................................................................................... 808
16.3.3 Interrupts .................................................................................................................... 809
16.3.4 Loopback Operation .................................................................................................... 810
16.3.5 Command Sequence Flow Charts ................................................................................ 811
16.4 Initialization and Configuration ..................................................................................... 818
16.5 Register Map .............................................................................................................. 819
16.6 Register Descriptions (I²C Master) ............................................................................... 820
16.7 Register Descriptions (I²C Slave) ................................................................................. 833
17 Inter-Integrated Circuit Sound (I²S) Interface .................................................... 842
17.1 Block Diagram ............................................................................................................ 843
17.2 Signal Description ....................................................................................................... 843
17.3 Functional Description ................................................................................................. 845
17.3.1 Transmit ..................................................................................................................... 846
17.3.2 Receive ...................................................................................................................... 850
17.4 Initialization and Configuration ..................................................................................... 852
17.5 Register Map .............................................................................................................. 853
17.6 Register Descriptions .................................................................................................. 854
18 Controller Area Network (CAN) Module ............................................................. 879
18.1 Block Diagram ............................................................................................................ 880
18.2 Signal Description ....................................................................................................... 880
18.3 Functional Description ................................................................................................. 881
18.3.1 Initialization ................................................................................................................. 882
18.3.2 Operation ................................................................................................................... 883
18.3.3 Transmitting Message Objects ..................................................................................... 884
18.3.4 Configuring a Transmit Message Object ........................................................................ 884
18.3.5 Updating a Transmit Message Object ........................................................................... 885
18.3.6 Accepting Received Message Objects .......................................................................... 886
18.3.7 Receiving a Data Frame .............................................................................................. 886
18.3.8 Receiving a Remote Frame .......................................................................................... 886
18.3.9 Receive/Transmit Priority ............................................................................................. 887
18.3.10 Configuring a Receive Message Object ........................................................................ 887
18.3.11 Handling of Received Message Objects ........................................................................ 888
18.3.12 Handling of Interrupts .................................................................................................. 890
18.3.13 Test Mode ................................................................................................................... 891
18.3.14 Bit Timing Configuration Error Considerations ............................................................... 893
18.3.15 Bit Time and Bit Rate ................................................................................................... 893
18.3.16 Calculating the Bit Timing Parameters .......................................................................... 895
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January 20, 2012
Texas Instruments-Production Data