LM3S1621_15 Datasheet, PDF (6/948 Pages) Texas Instruments – Stellaris LM3S1621 Microcontroller

Table of Contents
8.3.3
8.3.4
8.3.5
8.4
8.5
8.6
Configuring a Peripheral for Simple Transmit ................................................................ 355
Configuring a Peripheral for Ping-Pong Receive ............................................................ 356
Configuring Channel Assignments ................................................................................ 359
Register Map .............................................................................................................. 359
μDMA Channel Control Structure ................................................................................. 360
μDMA Register Descriptions ........................................................................................ 367
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) ........................................................... 396
Signal Description ....................................................................................................... 396
Functional Description ................................................................................................. 401
Data Control ............................................................................................................... 402
Interrupt Control .......................................................................................................... 403
Mode Control .............................................................................................................. 404
Commit Control ........................................................................................................... 404
Pad Control ................................................................................................................. 405
Identification ............................................................................................................... 405
Initialization and Configuration ..................................................................................... 405
Register Map .............................................................................................................. 406
Register Descriptions .................................................................................................. 408
10 External Peripheral Interface (EPI) ..................................................................... 451
10.1 EPI Block Diagram ...................................................................................................... 452
10.2 Signal Description ....................................................................................................... 453
10.3 Functional Description ................................................................................................. 455
10.3.1 Non-Blocking Reads .................................................................................................... 456
10.3.2 DMA Operation ........................................................................................................... 457
10.4 Initialization and Configuration ..................................................................................... 457
10.4.1 SDRAM Mode ............................................................................................................. 458
10.4.2 Host Bus Mode ........................................................................................................... 462
10.4.3 General-Purpose Mode ............................................................................................... 473
10.5 Register Map .............................................................................................................. 481
10.6 Register Descriptions .................................................................................................. 482
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 ...................................................................................... 524
Block Diagram ............................................................................................................ 524
Signal Description ....................................................................................................... 525
Functional Description ................................................................................................. 528
GPTM Reset Conditions .............................................................................................. 529
Timer Modes ............................................................................................................... 529
DMA Operation ........................................................................................................... 535
Accessing Concatenated Register Values ..................................................................... 536
Initialization and Configuration ..................................................................................... 536
One-Shot/Periodic Timer Mode .................................................................................... 536
Real-Time Clock (RTC) Mode ...................................................................................... 537
Input Edge-Count Mode ............................................................................................... 537
Input Edge Timing Mode .............................................................................................. 538
PWM Mode ................................................................................................................. 539
Register Map .............................................................................................................. 539
Register Descriptions .................................................................................................. 540
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July 03, 2014
Texas Instruments-Production Data