LM3S9792_15 Datasheet, PDF (5/1403 Pages) Texas Instruments – Stellaris LM3S9792 Microcontroller

Stellaris^® LM3S9792 Microcontroller
5.5 Register Descriptions .................................................................................................. 217
6
6.1
6.2
6.2.1
6.2.2
6.2.3
6.3
6.4
6.5
Internal Memory ................................................................................................... 308
Block Diagram ............................................................................................................ 308
Functional Description ................................................................................................. 308
SRAM ........................................................................................................................ 309
ROM .......................................................................................................................... 309
Flash Memory ............................................................................................................. 311
Register Map .............................................................................................................. 316
Flash Memory Register Descriptions (Flash Control Offset) ............................................ 317
Memory Register Descriptions (System Control Offset) .................................................. 329
7
Micro Direct Memory Access (μDMA) ................................................................ 345
7.1 Block Diagram ............................................................................................................ 346
7.2 Functional Description ................................................................................................. 346
7.2.1 Channel Assignments .................................................................................................. 347
7.2.2 Priority ........................................................................................................................ 348
7.2.3 Arbitration Size ............................................................................................................ 348
7.2.4 Request Types ............................................................................................................ 349
7.2.5 Channel Configuration ................................................................................................. 350
7.2.6 Transfer Modes ........................................................................................................... 351
7.2.7 Transfer Size and Increment ........................................................................................ 360
7.2.8 Peripheral Interface ..................................................................................................... 360
7.2.9 Software Request ........................................................................................................ 360
7.2.10 Interrupts and Errors .................................................................................................... 361
7.3 Initialization and Configuration ..................................................................................... 361
7.3.1 Module Initialization ..................................................................................................... 361
7.3.2 Configuring a Memory-to-Memory Transfer ................................................................... 361
7.3.3 Configuring a Peripheral for Simple Transmit ................................................................ 363
7.3.4 Configuring a Peripheral for Ping-Pong Receive ............................................................ 364
7.3.5 Configuring Channel Assignments ................................................................................ 367
7.4 Register Map .............................................................................................................. 367
7.5 μDMA Channel Control Structure ................................................................................. 368
7.6 μDMA Register Descriptions ........................................................................................ 375
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) ........................................................... 404
Signal Description ....................................................................................................... 404
Functional Description ................................................................................................. 409
Data Control ............................................................................................................... 410
Interrupt Control .......................................................................................................... 411
Mode Control .............................................................................................................. 412
Commit Control ........................................................................................................... 412
Pad Control ................................................................................................................. 413
Identification ............................................................................................................... 413
Initialization and Configuration ..................................................................................... 413
Register Map .............................................................................................................. 414
Register Descriptions .................................................................................................. 416
9
External Peripheral Interface (EPI) ..................................................................... 459
9.1 EPI Block Diagram ...................................................................................................... 460
9.2 Signal Description ....................................................................................................... 461
July 03, 2014
5
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