LM3S1637 Datasheet, PDF (7/696 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S1637 Microcontroller
13 Synchronous Serial Interface (SSI) .................................................................... 471
13.1 Block Diagram ............................................................................................................ 471
13.2 Signal Description ....................................................................................................... 471
13.3 Functional Description ................................................................................................. 472
13.3.1 Bit Rate Generation ..................................................................................................... 472
13.3.2 FIFO Operation ........................................................................................................... 473
13.3.3 Interrupts .................................................................................................................... 473
13.3.4 Frame Formats ........................................................................................................... 473
13.4 Initialization and Configuration ..................................................................................... 481
13.5 Register Map .............................................................................................................. 482
13.6 Register Descriptions .................................................................................................. 483
14 Inter-Integrated Circuit (I²C) Interface ................................................................ 509
14.1 Block Diagram ............................................................................................................ 510
14.2 Signal Description ....................................................................................................... 510
14.3 Functional Description ................................................................................................. 510
14.3.1 I²C Bus Functional Overview ........................................................................................ 511
14.3.2 Available Speed Modes ............................................................................................... 513
14.3.3 Interrupts .................................................................................................................... 514
14.3.4 Loopback Operation .................................................................................................... 514
14.3.5 Command Sequence Flow Charts ................................................................................ 514
14.4 Initialization and Configuration ..................................................................................... 522
14.5 Register Map .............................................................................................................. 523
14.6 Register Descriptions (I²C Master) ............................................................................... 524
14.7 Register Descriptions (I²C Slave) ................................................................................. 537
15 Analog Comparator .............................................................................................. 546
15.1 Block Diagram ............................................................................................................ 546
15.2 Signal Description ....................................................................................................... 546
15.3 Functional Description ................................................................................................. 547
15.3.1 Internal Reference Programming .................................................................................. 548
15.4 Initialization and Configuration ..................................................................................... 549
15.5 Register Map .............................................................................................................. 549
15.6 Register Descriptions .................................................................................................. 550
16 Pulse Width Modulator (PWM) ............................................................................ 558
16.1 Block Diagram ............................................................................................................ 559
16.2 Signal Description ....................................................................................................... 560
16.3 Functional Description ................................................................................................. 561
16.3.1 PWM Timer ................................................................................................................. 561
16.3.2 PWM Comparators ...................................................................................................... 561
16.3.3 PWM Signal Generator ................................................................................................ 562
16.3.4 Dead-Band Generator ................................................................................................. 563
16.3.5 Interrupt/ADC-Trigger Selector ..................................................................................... 563
16.3.6 Synchronization Methods ............................................................................................ 564
16.3.7 Fault Conditions .......................................................................................................... 564
16.3.8 Output Control Block ................................................................................................... 564
16.4 Initialization and Configuration ..................................................................................... 564
16.5 Register Map .............................................................................................................. 565
16.6 Register Descriptions .................................................................................................. 567
June 18, 2012
7
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