LM3S2B93 Datasheet, PDF (7/1194 Pages) Texas Instruments – Stellaris® LM3S2B93 Microcontroller

Stellaris^® LM3S2B93 Microcontroller
12 Watchdog Timers ................................................................................................. 593
12.1 Block Diagram ............................................................................................................ 594
12.2 Functional Description ................................................................................................. 594
12.2.1 Register Access Timing ............................................................................................... 595
12.3 Initialization and Configuration ..................................................................................... 595
12.4 Register Map .............................................................................................................. 595
12.5 Register Descriptions .................................................................................................. 596
13 Analog-to-Digital Converter (ADC) ..................................................................... 618
13.1 Block Diagram ............................................................................................................ 619
13.2 Signal Description ....................................................................................................... 620
13.3 Functional Description ................................................................................................. 622
13.3.1 Sample Sequencers .................................................................................................... 622
13.3.2 Module Control ............................................................................................................ 623
13.3.3 Hardware Sample Averaging Circuit ............................................................................. 625
13.3.4 Analog-to-Digital Converter .......................................................................................... 626
13.3.5 Differential Sampling ................................................................................................... 629
13.3.6 Internal Temperature Sensor ........................................................................................ 632
13.3.7 Digital Comparator Unit ............................................................................................... 632
13.4 Initialization and Configuration ..................................................................................... 637
13.4.1 Module Initialization ..................................................................................................... 637
13.4.2 Sample Sequencer Configuration ................................................................................. 638
13.5 Register Map .............................................................................................................. 638
13.6 Register Descriptions .................................................................................................. 640
14 Universal Asynchronous Receivers/Transmitters (UARTs) ............................. 698
14.1 Block Diagram ............................................................................................................ 699
14.2 Signal Description ....................................................................................................... 699
14.3 Functional Description ................................................................................................. 701
14.3.1 Transmit/Receive Logic ............................................................................................... 701
14.3.2 Baud-Rate Generation ................................................................................................. 702
14.3.3 Data Transmission ...................................................................................................... 703
14.3.4 Serial IR (SIR) ............................................................................................................. 703
14.3.5 ISO 7816 Support ....................................................................................................... 704
14.3.6 Modem Handshake Support ......................................................................................... 704
14.3.7 LIN Support ................................................................................................................ 706
14.3.8 FIFO Operation ........................................................................................................... 707
14.3.9 Interrupts .................................................................................................................... 708
14.3.10 Loopback Operation .................................................................................................... 709
14.3.11 DMA Operation ........................................................................................................... 709
14.4 Initialization and Configuration ..................................................................................... 709
14.5 Register Map .............................................................................................................. 710
14.6 Register Descriptions .................................................................................................. 712
15 Synchronous Serial Interface (SSI) .................................................................... 762
15.1 Block Diagram ............................................................................................................ 763
15.2 Signal Description ....................................................................................................... 763
15.3 Functional Description ................................................................................................. 764
15.3.1 Bit Rate Generation ..................................................................................................... 765
15.3.2 FIFO Operation ........................................................................................................... 765
15.3.3 Interrupts .................................................................................................................... 765
January 20, 2012
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Texas Instruments-Production Data