LM3S2776 Datasheet, PDF (6/785 Pages) Texas Instruments – Stellaris® LM3S2776 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 ................................................................... 301
Configuring a Peripheral for Simple Transmit ................................................................ 303
Configuring a Peripheral for Ping-Pong Receive ............................................................ 304
Register Map .............................................................................................................. 307
μDMA Channel Control Structure ................................................................................. 308
μDMA Register Descriptions ........................................................................................ 314
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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) ........................................................... 348
Signal Description ....................................................................................................... 348
Functional Description ................................................................................................. 351
Data Control ............................................................................................................... 352
Interrupt Control .......................................................................................................... 353
Mode Control .............................................................................................................. 354
Commit Control ........................................................................................................... 354
Pad Control ................................................................................................................. 354
Identification ............................................................................................................... 355
Initialization and Configuration ..................................................................................... 355
Register Map .............................................................................................................. 356
Register Descriptions .................................................................................................. 358
10 General-Purpose Timers ...................................................................................... 395
10.1 Block Diagram ............................................................................................................ 396
10.2 Signal Description ....................................................................................................... 396
10.3 Functional Description ................................................................................................. 397
10.3.1 GPTM Reset Conditions .............................................................................................. 397
10.3.2 32-Bit Timer Operating Modes ...................................................................................... 397
10.3.3 16-Bit Timer Operating Modes ...................................................................................... 398
10.4 Initialization and Configuration ..................................................................................... 402
10.4.1 32-Bit One-Shot/Periodic Timer Mode ........................................................................... 402
10.4.2 32-Bit Real-Time Clock (RTC) Mode ............................................................................. 403
10.4.3 16-Bit One-Shot/Periodic Timer Mode ........................................................................... 403
10.4.4 16-Bit Input Edge Count Mode ..................................................................................... 404
10.4.5 16-Bit Input Edge Timing Mode .................................................................................... 404
10.4.6 16-Bit PWM Mode ....................................................................................................... 405
10.5 Register Map .............................................................................................................. 405
10.6 Register Descriptions .................................................................................................. 406
11 Watchdog Timer ................................................................................................... 429
11.1 Block Diagram ............................................................................................................ 430
11.2 Functional Description ................................................................................................. 430
11.3 Initialization and Configuration ..................................................................................... 431
11.4 Register Map .............................................................................................................. 431
11.5 Register Descriptions .................................................................................................. 432
12 Analog-to-Digital Converter (ADC) ..................................................................... 453
12.1 Block Diagram ............................................................................................................ 453
12.2 Signal Description ....................................................................................................... 454
12.3 Functional Description ................................................................................................. 454
12.3.1 Sample Sequencers .................................................................................................... 455
12.3.2 Module Control ............................................................................................................ 455
12.3.3 Hardware Sample Averaging Circuit ............................................................................. 456
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November 17, 2011
Texas Instruments-Production Data