LM3S1937 Datasheet, PDF (6/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

Table of Contents
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 ...................................................................................... 329
16-Bit Timer Operating Modes ...................................................................................... 331
Initialization and Configuration ..................................................................................... 334
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 335
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 335
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 335
16-Bit Input Edge Count Mode ..................................................................................... 336
16-Bit Input Edge Timing Mode .................................................................................... 336
16-Bit PWM Mode ....................................................................................................... 337
Register Map .............................................................................................................. 337
Register Descriptions .................................................................................................. 338
10 Watchdog Timer ................................................................................................... 363
10.1 Block Diagram ............................................................................................................ 364
10.2 Functional Description ................................................................................................. 364
10.3 Initialization and Configuration ..................................................................................... 365
10.4 Register Map .............................................................................................................. 365
10.5 Register Descriptions .................................................................................................. 366
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) ..................................................................... 387
Block Diagram ............................................................................................................ 387
Signal Description ....................................................................................................... 388
Functional Description ................................................................................................. 389
Sample Sequencers .................................................................................................... 389
Module Control ............................................................................................................ 390
Hardware Sample Averaging Circuit ............................................................................. 390
Analog-to-Digital Converter .......................................................................................... 391
Differential Sampling ................................................................................................... 391
Test Modes ................................................................................................................. 393
Internal Temperature Sensor ........................................................................................ 393
Initialization and Configuration ..................................................................................... 394
Module Initialization ..................................................................................................... 394
Sample Sequencer Configuration ................................................................................. 394
Register Map .............................................................................................................. 395
Register Descriptions .................................................................................................. 396
12 Universal Asynchronous Receivers/Transmitters (UARTs) ............................. 424
12.1 Block Diagram ............................................................................................................ 425
12.2 Signal Description ....................................................................................................... 425
12.3 Functional Description ................................................................................................. 426
12.3.1 Transmit/Receive Logic ............................................................................................... 426
12.3.2 Baud-Rate Generation ................................................................................................. 427
12.3.3 Data Transmission ...................................................................................................... 427
12.3.4 Serial IR (SIR) ............................................................................................................. 428
12.3.5 FIFO Operation ........................................................................................................... 429
12.3.6 Interrupts .................................................................................................................... 429
12.3.7 Loopback Operation .................................................................................................... 430
12.3.8 IrDA SIR block ............................................................................................................ 430
12.4 Initialization and Configuration ..................................................................................... 430
12.5 Register Map .............................................................................................................. 431
12.6 Register Descriptions .................................................................................................. 432
6
June 18, 2012
Texas Instruments-Production Data