LM3S6952 Datasheet, PDF (5/626 Pages) Texas Instruments – Stellaris LM3S6952 Microcontroller

Stellaris® LM3S6952 Microcontroller
10 General-Purpose Timers ...................................................................................... 222
10.1 Block Diagram ............................................................................................................ 223
10.2 Functional Description ................................................................................................. 223
10.2.1 GPTM Reset Conditions .............................................................................................. 224
10.2.2 32-Bit Timer Operating Modes ...................................................................................... 224
10.2.3 16-Bit Timer Operating Modes ...................................................................................... 225
10.3 Initialization and Configuration ..................................................................................... 229
10.3.1 32-Bit One-Shot/Periodic Timer Mode ........................................................................... 229
10.3.2 32-Bit Real-Time Clock (RTC) Mode ............................................................................. 230
10.3.3 16-Bit One-Shot/Periodic Timer Mode ........................................................................... 230
10.3.4 16-Bit Input Edge Count Mode ..................................................................................... 231
10.3.5 16-Bit Input Edge Timing Mode .................................................................................... 231
10.3.6 16-Bit PWM Mode ....................................................................................................... 232
10.4 Register Map .............................................................................................................. 232
10.5 Register Descriptions .................................................................................................. 233
11 Watchdog Timer ................................................................................................... 258
11.1 Block Diagram ............................................................................................................ 259
11.2 Functional Description ................................................................................................. 259
11.3 Initialization and Configuration ..................................................................................... 260
11.4 Register Map .............................................................................................................. 260
11.5 Register Descriptions .................................................................................................. 261
12 Analog-to-Digital Converter (ADC) ..................................................................... 282
12.1 Block Diagram ............................................................................................................ 282
12.2 Functional Description ................................................................................................. 283
12.2.1 Sample Sequencers .................................................................................................... 283
12.2.2 Module Control ............................................................................................................ 284
12.2.3 Hardware Sample Averaging Circuit ............................................................................. 285
12.2.4 Analog-to-Digital Converter .......................................................................................... 285
12.2.5 Differential Sampling ................................................................................................... 285
12.2.6 Test Modes ................................................................................................................. 287
12.2.7 Internal Temperature Sensor ........................................................................................ 288
12.3 Initialization and Configuration ..................................................................................... 288
12.3.1 Module Initialization ..................................................................................................... 288
12.3.2 Sample Sequencer Configuration ................................................................................. 289
12.4 Register Map .............................................................................................................. 289
12.5 Register Descriptions .................................................................................................. 290
13 Universal Asynchronous Receivers/Transmitters (UARTs) ............................. 319
13.1 Block Diagram ............................................................................................................ 320
13.2 Functional Description ................................................................................................. 320
13.2.1 Transmit/Receive Logic ............................................................................................... 320
13.2.2 Baud-Rate Generation ................................................................................................. 321
13.2.3 Data Transmission ...................................................................................................... 322
13.2.4 Serial IR (SIR) ............................................................................................................. 322
13.2.5 FIFO Operation ........................................................................................................... 323
13.2.6 Interrupts .................................................................................................................... 323
13.2.7 Loopback Operation .................................................................................................... 324
13.2.8 IrDA SIR block ............................................................................................................ 324
13.3 Initialization and Configuration ..................................................................................... 324
April 05, 2010
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