LM3S1937 Datasheet, PDF (7/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

Stellaris^® LM3S1937 Microcontroller
13 Synchronous Serial Interface (SSI) .................................................................... 466
13.1 Block Diagram ............................................................................................................ 466
13.2 Signal Description ....................................................................................................... 466
13.3 Functional Description ................................................................................................. 467
13.3.1 Bit Rate Generation ..................................................................................................... 467
13.3.2 FIFO Operation ........................................................................................................... 468
13.3.3 Interrupts .................................................................................................................... 468
13.3.4 Frame Formats ........................................................................................................... 468
13.4 Initialization and Configuration ..................................................................................... 476
13.5 Register Map .............................................................................................................. 477
13.6 Register Descriptions .................................................................................................. 478
14 Inter-Integrated Circuit (I²C) Interface ................................................................ 504
14.1 Block Diagram ............................................................................................................ 505
14.2 Signal Description ....................................................................................................... 505
14.3 Functional Description ................................................................................................. 505
14.3.1 I²C Bus Functional Overview ........................................................................................ 506
14.3.2 Available Speed Modes ............................................................................................... 508
14.3.3 Interrupts .................................................................................................................... 509
14.3.4 Loopback Operation .................................................................................................... 509
14.3.5 Command Sequence Flow Charts ................................................................................ 509
14.4 Initialization and Configuration ..................................................................................... 517
14.5 Register Map .............................................................................................................. 518
14.6 Register Descriptions (I²C Master) ............................................................................... 519
14.7 Register Descriptions (I²C Slave) ................................................................................. 532
15 Analog Comparator .............................................................................................. 541
15.1 Block Diagram ............................................................................................................ 541
15.2 Signal Description ....................................................................................................... 541
15.3 Functional Description ................................................................................................. 542
15.3.1 Internal Reference Programming .................................................................................. 543
15.4 Initialization and Configuration ..................................................................................... 544
15.5 Register Map .............................................................................................................. 544
15.6 Register Descriptions .................................................................................................. 545
16 Pulse Width Modulator (PWM) ............................................................................ 553
16.1 Block Diagram ............................................................................................................ 554
16.2 Signal Description ....................................................................................................... 555
16.3 Functional Description ................................................................................................. 556
16.3.1 PWM Timer ................................................................................................................. 556
16.3.2 PWM Comparators ...................................................................................................... 556
16.3.3 PWM Signal Generator ................................................................................................ 557
16.3.4 Dead-Band Generator ................................................................................................. 558
16.3.5 Interrupt/ADC-Trigger Selector ..................................................................................... 558
16.3.6 Synchronization Methods ............................................................................................ 559
16.3.7 Fault Conditions .......................................................................................................... 559
16.3.8 Output Control Block ................................................................................................... 559
16.4 Initialization and Configuration ..................................................................................... 559
16.5 Register Map .............................................................................................................. 560
16.6 Register Descriptions .................................................................................................. 562
June 18, 2012
7
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