LM3S9B81 Datasheet, PDF (7/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
16 Inter-Integrated Circuit (I²C) Interface ................................................................ 677
16.1 Block Diagram ............................................................................................................ 678
16.2 Signal Description ....................................................................................................... 678
16.3 Functional Description ................................................................................................. 679
16.3.1 I²C Bus Functional Overview ........................................................................................ 679
16.3.2 Available Speed Modes ............................................................................................... 681
16.3.3 Interrupts .................................................................................................................... 682
16.3.4 Loopback Operation .................................................................................................... 683
16.3.5 Command Sequence Flow Charts ................................................................................ 683
16.4 Initialization and Configuration ..................................................................................... 690
16.5 Register Map .............................................................................................................. 691
16.6 Register Descriptions (I²C Master) ............................................................................... 692
16.7 Register Descriptions (I²C Slave) ................................................................................. 705
17 Inter-Integrated Circuit Sound (I²S) Interface .................................................... 714
17.1 Block Diagram ............................................................................................................ 715
17.2 Signal Description ....................................................................................................... 715
17.3 Functional Description ................................................................................................. 716
17.3.1 Transmit ..................................................................................................................... 718
17.3.2 Receive ...................................................................................................................... 722
17.4 Initialization and Configuration ..................................................................................... 724
17.5 Register Map .............................................................................................................. 725
17.6 Register Descriptions .................................................................................................. 726
18 Controller Area Network (CAN) Module ............................................................. 751
18.1 Block Diagram ............................................................................................................ 752
18.2 Signal Description ....................................................................................................... 752
18.3 Functional Description ................................................................................................. 753
18.3.1 Initialization ................................................................................................................. 754
18.3.2 Operation ................................................................................................................... 755
18.3.3 Transmitting Message Objects ..................................................................................... 756
18.3.4 Configuring a Transmit Message Object ........................................................................ 756
18.3.5 Updating a Transmit Message Object ........................................................................... 757
18.3.6 Accepting Received Message Objects .......................................................................... 758
18.3.7 Receiving a Data Frame .............................................................................................. 758
18.3.8 Receiving a Remote Frame .......................................................................................... 758
18.3.9 Receive/Transmit Priority ............................................................................................. 759
18.3.10 Configuring a Receive Message Object ........................................................................ 759
18.3.11 Handling of Received Message Objects ........................................................................ 760
18.3.12 Handling of Interrupts .................................................................................................. 762
18.3.13 Test Mode ................................................................................................................... 763
18.3.14 Bit Timing Configuration Error Considerations ............................................................... 765
18.3.15 Bit Time and Bit Rate ................................................................................................... 765
18.3.16 Calculating the Bit Timing Parameters .......................................................................... 767
18.4 Register Map .............................................................................................................. 770
18.5 CAN Register Descriptions .......................................................................................... 772
19 Ethernet Controller .............................................................................................. 804
19.1 Block Diagram ............................................................................................................ 805
19.2 Signal Description ....................................................................................................... 806
June 29, 2010
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