LM3S3749 Datasheet, PDF (6/898 Pages) Texas Instruments – Stellaris® LM3S3749 Microcontroller

Table of Contents
8.3.2
8.3.3
8.3.4
8.4
8.5
8.6
Configuring a Memory-to-Memory Transfer ................................................................... 314
Configuring a Peripheral for Simple Transmit ................................................................ 316
Configuring a Peripheral for Ping-Pong Receive ............................................................ 317
Register Map .............................................................................................................. 320
μDMA Channel Control Structure ................................................................................. 321
μDMA Register Descriptions ........................................................................................ 327
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) ........................................................... 361
Signal Description ....................................................................................................... 361
Functional Description ................................................................................................. 365
Data Control ............................................................................................................... 367
Interrupt Control .......................................................................................................... 368
Mode Control .............................................................................................................. 369
Commit Control ........................................................................................................... 369
Pad Control ................................................................................................................. 369
Identification ............................................................................................................... 370
Initialization and Configuration ..................................................................................... 370
Register Map .............................................................................................................. 371
Register Descriptions .................................................................................................. 373
10 General-Purpose Timers ...................................................................................... 413
10.1 Block Diagram ............................................................................................................ 414
10.2 Signal Description ....................................................................................................... 415
10.3 Functional Description ................................................................................................. 415
10.3.1 GPTM Reset Conditions .............................................................................................. 415
10.3.2 32-Bit Timer Operating Modes ...................................................................................... 415
10.3.3 16-Bit Timer Operating Modes ...................................................................................... 417
10.4 Initialization and Configuration ..................................................................................... 420
10.4.1 32-Bit One-Shot/Periodic Timer Mode ........................................................................... 421
10.4.2 32-Bit Real-Time Clock (RTC) Mode ............................................................................. 421
10.4.3 16-Bit One-Shot/Periodic Timer Mode ........................................................................... 421
10.4.4 16-Bit Input Edge Count Mode ..................................................................................... 422
10.4.5 16-Bit Input Edge Timing Mode .................................................................................... 422
10.4.6 16-Bit PWM Mode ....................................................................................................... 423
10.5 Register Map .............................................................................................................. 423
10.6 Register Descriptions .................................................................................................. 424
11 Watchdog Timer ................................................................................................... 447
11.1 Block Diagram ............................................................................................................ 448
11.2 Functional Description ................................................................................................. 448
11.3 Initialization and Configuration ..................................................................................... 449
11.4 Register Map .............................................................................................................. 449
11.5 Register Descriptions .................................................................................................. 450
12 Analog-to-Digital Converter (ADC) ..................................................................... 471
12.1 Block Diagram ............................................................................................................ 471
12.2 Signal Description ....................................................................................................... 472
12.3 Functional Description ................................................................................................. 473
12.3.1 Sample Sequencers .................................................................................................... 473
12.3.2 Module Control ............................................................................................................ 473
12.3.3 Hardware Sample Averaging Circuit ............................................................................. 474
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November 17, 2011
Texas Instruments-Production Data