LM3S5D91 Datasheet, PDF (5/1340 Pages) Texas Instruments – Stellaris® LM3S5D91 Microcontroller

Stellaris^® LM3S5D91 Microcontroller
5.5 Register Descriptions .................................................................................................. 205
6
6.1
6.2
6.2.1
6.2.2
6.2.3
6.3
6.4
6.5
Internal Memory ................................................................................................... 293
Block Diagram ............................................................................................................ 293
Functional Description ................................................................................................. 293
SRAM ........................................................................................................................ 294
ROM .......................................................................................................................... 294
Flash Memory ............................................................................................................. 296
Register Map .............................................................................................................. 301
Flash Memory Register Descriptions (Flash Control Offset) ............................................ 303
Memory Register Descriptions (System Control Offset) .................................................. 315
7
Micro Direct Memory Access (μDMA) ................................................................ 339
7.1 Block Diagram ............................................................................................................ 340
7.2 Functional Description ................................................................................................. 340
7.2.1 Channel Assignments .................................................................................................. 341
7.2.2 Priority ........................................................................................................................ 342
7.2.3 Arbitration Size ............................................................................................................ 342
7.2.4 Request Types ............................................................................................................ 343
7.2.5 Channel Configuration ................................................................................................. 344
7.2.6 Transfer Modes ........................................................................................................... 345
7.2.7 Transfer Size and Increment ........................................................................................ 354
7.2.8 Peripheral Interface ..................................................................................................... 354
7.2.9 Software Request ........................................................................................................ 354
7.2.10 Interrupts and Errors .................................................................................................... 355
7.3 Initialization and Configuration ..................................................................................... 355
7.3.1 Module Initialization ..................................................................................................... 355
7.3.2 Configuring a Memory-to-Memory Transfer ................................................................... 356
7.3.3 Configuring a Peripheral for Simple Transmit ................................................................ 357
7.3.4 Configuring a Peripheral for Ping-Pong Receive ............................................................ 359
7.3.5 Configuring Channel Assignments ................................................................................ 361
7.4 Register Map .............................................................................................................. 361
7.5 μDMA Channel Control Structure ................................................................................. 363
7.6 μDMA Register Descriptions ........................................................................................ 370
8
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.3
8.4
8.5
General-Purpose Input/Outputs (GPIOs) ........................................................... 400
Signal Description ....................................................................................................... 400
Functional Description ................................................................................................. 405
Data Control ............................................................................................................... 407
Interrupt Control .......................................................................................................... 408
Mode Control .............................................................................................................. 409
Commit Control ........................................................................................................... 409
Pad Control ................................................................................................................. 410
Identification ............................................................................................................... 410
Initialization and Configuration ..................................................................................... 410
Register Map .............................................................................................................. 411
Register Descriptions .................................................................................................. 414
9
External Peripheral Interface (EPI) ..................................................................... 457
9.1 EPI Block Diagram ...................................................................................................... 458
9.2 Signal Description ....................................................................................................... 459
January 22, 2012
5
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