LM3S9B81 Datasheet, PDF (5/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
8.6 μDMA Register Descriptions ........................................................................................ 265
9
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) ........................................................... 294
Signal Description ....................................................................................................... 294
Functional Description ................................................................................................. 299
Data Control ............................................................................................................... 300
Interrupt Control .......................................................................................................... 301
Mode Control .............................................................................................................. 302
Commit Control ........................................................................................................... 302
Pad Control ................................................................................................................. 303
Identification ............................................................................................................... 303
Initialization and Configuration ..................................................................................... 303
Register Map .............................................................................................................. 304
Register Descriptions .................................................................................................. 307
10 External Peripheral Interface (EPI) ..................................................................... 350
10.1 EPI Block Diagram ...................................................................................................... 351
10.2 Signal Description ....................................................................................................... 352
10.3 Functional Description ................................................................................................. 354
10.3.1 Non-Blocking Reads .................................................................................................... 355
10.3.2 DMA Operation ........................................................................................................... 356
10.4 Initialization and Configuration ..................................................................................... 356
10.4.1 SDRAM Mode ............................................................................................................. 357
10.4.2 Host Bus Mode ........................................................................................................... 361
10.4.3 General-Purpose Mode ............................................................................................... 370
10.5 Register Map .............................................................................................................. 378
10.6 Register Descriptions .................................................................................................. 379
11
11.1
11.2
11.3
11.3.1
11.3.2
11.3.3
11.3.4
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.4.6
11.5
11.6
General-Purpose Timers ...................................................................................... 423
Block Diagram ............................................................................................................ 424
Signal Description ....................................................................................................... 424
Functional Description ................................................................................................. 427
GPTM Reset Conditions .............................................................................................. 427
32-Bit Timer Operating Modes ...................................................................................... 428
16-Bit Timer Operating Modes ...................................................................................... 429
DMA Operation ........................................................................................................... 435
Initialization and Configuration ..................................................................................... 435
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 435
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 436
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 436
Input Edge-Count Mode ............................................................................................... 437
16-Bit Input Edge Timing Mode .................................................................................... 437
16-Bit PWM Mode ....................................................................................................... 438
Register Map .............................................................................................................. 438
Register Descriptions .................................................................................................. 439
12 Watchdog Timers ................................................................................................. 471
12.1 Block Diagram ............................................................................................................ 472
12.2 Functional Description ................................................................................................. 472
12.2.1 Register Access Timing ............................................................................................... 473
12.3 Initialization and Configuration ..................................................................................... 473
June 29, 2010
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