LM3S2793 Datasheet, PDF (6/1194 Pages) Texas Instruments – Stellaris® LM3S2793 Microcontroller

Table of Contents
8.3.2
8.3.3
8.3.4
8.3.5
8.4
8.5
8.6
Configuring a Memory-to-Memory Transfer ................................................................... 374
Configuring a Peripheral for Simple Transmit ................................................................ 376
Configuring a Peripheral for Ping-Pong Receive ............................................................ 377
Configuring Channel Assignments ................................................................................ 380
Register Map .............................................................................................................. 380
μDMA Channel Control Structure ................................................................................. 381
μDMA Register Descriptions ........................................................................................ 388
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) ........................................................... 417
Signal Description ....................................................................................................... 417
Functional Description ................................................................................................. 422
Data Control ............................................................................................................... 423
Interrupt Control .......................................................................................................... 424
Mode Control .............................................................................................................. 425
Commit Control ........................................................................................................... 425
Pad Control ................................................................................................................. 426
Identification ............................................................................................................... 426
Initialization and Configuration ..................................................................................... 426
Register Map .............................................................................................................. 427
Register Descriptions .................................................................................................. 430
10 External Peripheral Interface (EPI) ..................................................................... 473
10.1 EPI Block Diagram ...................................................................................................... 474
10.2 Signal Description ....................................................................................................... 475
10.3 Functional Description ................................................................................................. 477
10.3.1 Non-Blocking Reads .................................................................................................... 478
10.3.2 DMA Operation ........................................................................................................... 479
10.4 Initialization and Configuration ..................................................................................... 479
10.4.1 SDRAM Mode ............................................................................................................. 480
10.4.2 Host Bus Mode ........................................................................................................... 484
10.4.3 General-Purpose Mode ............................................................................................... 495
10.5 Register Map .............................................................................................................. 503
10.6 Register Descriptions .................................................................................................. 504
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
11.5
11.6
General-Purpose Timers ...................................................................................... 546
Block Diagram ............................................................................................................ 547
Signal Description ....................................................................................................... 547
Functional Description ................................................................................................. 550
GPTM Reset Conditions .............................................................................................. 551
Timer Modes ............................................................................................................... 551
DMA Operation ........................................................................................................... 557
Accessing Concatenated Register Values ..................................................................... 558
Initialization and Configuration ..................................................................................... 558
One-Shot/Periodic Timer Mode .................................................................................... 558
Real-Time Clock (RTC) Mode ...................................................................................... 559
Input Edge-Count Mode ............................................................................................... 559
Input Edge Timing Mode .............................................................................................. 560
PWM Mode ................................................................................................................. 561
Register Map .............................................................................................................. 561
Register Descriptions .................................................................................................. 562
6
January 20, 2012
Texas Instruments-Production Data