8.3.3 Configuring a Peripheral for Simple Transmit ................................................................ 365
8.3.4 Configuring a Peripheral for Ping-Pong Receive ............................................................ 367
8.3.5 Configuring Channel Assignments ................................................................................ 369
8.4 Register Map .............................................................................................................. 369
8.5 μDMA Channel Control Structure ................................................................................. 371
8.6 μDMA Register Descriptions ........................................................................................ 378
9 General-Purpose Input/Outputs (GPIOs) ........................................................... 408
9.1 Signal Description ....................................................................................................... 408
9.2 Functional Description ................................................................................................. 412
9.2.1 Data Control ............................................................................................................... 413
9.2.2 Interrupt Control .......................................................................................................... 414
9.2.3 Mode Control .............................................................................................................. 415
9.2.4 Commit Control ........................................................................................................... 415
9.2.5 Pad Control ................................................................................................................. 416
9.2.6 Identification ............................................................................................................... 416
9.3 Initialization and Configuration ..................................................................................... 416
9.4 Register Map .............................................................................................................. 417
9.5 Register Descriptions .................................................................................................. 419
10 General-Purpose Timers ...................................................................................... 461
10.1 Block Diagram ............................................................................................................ 462
10.2 Signal Description ....................................................................................................... 462
10.3 Functional Description ................................................................................................. 464
10.3.1 GPTM Reset Conditions .............................................................................................. 465
10.3.2 Timer Modes ............................................................................................................... 465
10.3.3 DMA Operation ........................................................................................................... 472
10.3.4 Accessing Concatenated Register Values ..................................................................... 472
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 ................................................................................................................. 475
10.5 Register Map .............................................................................................................. 476
10.6 Register Descriptions .................................................................................................. 477
11 Watchdog Timers ................................................................................................. 508
11.1 Block Diagram ............................................................................................................ 509
11.2 Functional Description ................................................................................................. 509
11.2.1 Register Access Timing ............................................................................................... 510
11.3 Initialization and Configuration ..................................................................................... 510
11.4 Register Map .............................................................................................................. 510
11.5 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
July 24, 20126
Texas Instruments-Production Data
Table of Contents
OBSOLETE: TI has discontinued production of this device.