LM3S1651 Datasheet, PDF (6/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Table of Contents
8.3.3
8.3.4
8.3.5
8.4
8.5
8.6
Configuring a Peripheral for Simple Transmit ................................................................ 364
Configuring a Peripheral for Ping-Pong Receive ............................................................ 365
Configuring Channel Assignments ................................................................................ 368
Register Map .............................................................................................................. 368
μDMA Channel Control Structure ................................................................................. 369
μDMA Register Descriptions ........................................................................................ 376
9
9.1
9.2
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.3
9.4
9.5
General-Purpose Input/Outputs (GPIOs) ........................................................... 405
Signal Description ....................................................................................................... 405
Functional Description ................................................................................................. 410
Data Control ............................................................................................................... 411
Interrupt Control .......................................................................................................... 412
Mode Control .............................................................................................................. 413
Commit Control ........................................................................................................... 413
Pad Control ................................................................................................................. 414
Identification ............................................................................................................... 414
Initialization and Configuration ..................................................................................... 414
Register Map .............................................................................................................. 415
Register Descriptions .................................................................................................. 418
10 General-Purpose Timers ...................................................................................... 461
10.1 Block Diagram ............................................................................................................ 462
10.2 Signal Description ....................................................................................................... 462
10.3 Functional Description ................................................................................................. 465
10.3.1 GPTM Reset Conditions .............................................................................................. 466
10.3.2 Timer Modes ............................................................................................................... 466
10.3.3 DMA Operation ........................................................................................................... 472
10.3.4 Accessing Concatenated Register Values ..................................................................... 473
10.4 Initialization and Configuration ..................................................................................... 473
10.4.1 One-Shot/Periodic Timer Mode .................................................................................... 473
10.4.2 Real-Time Clock (RTC) Mode ...................................................................................... 474
10.4.3 Input Edge-Count Mode ............................................................................................... 474
10.4.4 Input Edge Timing Mode .............................................................................................. 475
10.4.5 PWM Mode ................................................................................................................. 476
10.5 Register Map .............................................................................................................. 476
10.6 Register Descriptions .................................................................................................. 477
11
11.1
11.2
11.2.1
11.3
11.4
11.5
Watchdog Timers ................................................................................................. 508
Block Diagram ............................................................................................................ 509
Functional Description ................................................................................................. 509
Register Access Timing ............................................................................................... 510
Initialization and Configuration ..................................................................................... 510
Register Map .............................................................................................................. 510
Register Descriptions .................................................................................................. 511
12 Analog-to-Digital Converter (ADC) ..................................................................... 533
12.1 Block Diagram ............................................................................................................ 534
12.2 Signal Description ....................................................................................................... 535
12.3 Functional Description ................................................................................................. 537
12.3.1 Sample Sequencers .................................................................................................... 537
12.3.2 Module Control ............................................................................................................ 538
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January 21, 2012
Texas Instruments-Production Data