LM3S1969 Datasheet, PDF (6/677 Pages) Texas Instruments – Stellaris® LM3S1969 Microcontroller

Table of Contents
OBSOLETE: TI has discontinued production of this device.
9.3.2
9.3.3
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.5
9.6
32-Bit Timer Operating Modes ...................................................................................... 330
16-Bit Timer Operating Modes ...................................................................................... 332
Initialization and Configuration ..................................................................................... 335
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 335
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 336
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 336
16-Bit Input Edge Count Mode ..................................................................................... 337
16-Bit Input Edge Timing Mode .................................................................................... 337
16-Bit PWM Mode ....................................................................................................... 338
Register Map .............................................................................................................. 338
Register Descriptions .................................................................................................. 339
10 Watchdog Timer ................................................................................................... 364
10.1 Block Diagram ............................................................................................................ 365
10.2 Functional Description ................................................................................................. 365
10.3 Initialization and Configuration ..................................................................................... 366
10.4 Register Map .............................................................................................................. 366
10.5 Register Descriptions .................................................................................................. 367
11
11.1
11.2
11.3
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.6
11.3.7
11.4
11.4.1
11.4.2
11.5
11.6
Analog-to-Digital Converter (ADC) ..................................................................... 388
Block Diagram ............................................................................................................ 388
Signal Description ....................................................................................................... 389
Functional Description ................................................................................................. 390
Sample Sequencers .................................................................................................... 390
Module Control ............................................................................................................ 390
Hardware Sample Averaging Circuit ............................................................................. 391
Analog-to-Digital Converter .......................................................................................... 391
Differential Sampling ................................................................................................... 392
Test Modes ................................................................................................................. 394
Internal Temperature Sensor ........................................................................................ 394
Initialization and Configuration ..................................................................................... 395
Module Initialization ..................................................................................................... 395
Sample Sequencer Configuration ................................................................................. 395
Register Map .............................................................................................................. 396
Register Descriptions .................................................................................................. 397
12 Universal Asynchronous Receivers/Transmitters (UARTs) ............................. 425
12.1 Block Diagram ............................................................................................................ 426
12.2 Signal Description ....................................................................................................... 426
12.3 Functional Description ................................................................................................. 427
12.3.1 Transmit/Receive Logic ............................................................................................... 427
12.3.2 Baud-Rate Generation ................................................................................................. 427
12.3.3 Data Transmission ...................................................................................................... 428
12.3.4 Serial IR (SIR) ............................................................................................................. 429
12.3.5 FIFO Operation ........................................................................................................... 430
12.3.6 Interrupts .................................................................................................................... 430
12.3.7 Loopback Operation .................................................................................................... 431
12.3.8 IrDA SIR block ............................................................................................................ 431
12.4 Initialization and Configuration ..................................................................................... 431
12.5 Register Map .............................................................................................................. 432
12.6 Register Descriptions .................................................................................................. 433
6
July 24, 2012
Texas Instruments-Production Data