LM3S2637 Datasheet, PDF (5/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

Stellaris^® LM3S2637 Microcontroller
6
6.1
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.4
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.5
6.6
7
7.1
7.2
7.2.1
7.2.2
7.3
7.3.1
7.3.2
7.4
7.5
7.6
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
9
9.1
9.2
9.3
9.3.1
Hibernation Module .............................................................................................. 231
Block Diagram ............................................................................................................ 232
Signal Description ....................................................................................................... 232
Functional Description ................................................................................................. 233
Register Access Timing ............................................................................................... 233
Clock Source .............................................................................................................. 234
Battery Management ................................................................................................... 235
Real-Time Clock .......................................................................................................... 235
Battery-Backed Memory .............................................................................................. 236
Power Control ............................................................................................................. 236
Initiating Hibernate ...................................................................................................... 236
Interrupts and Status ................................................................................................... 237
Initialization and Configuration ..................................................................................... 237
Initialization ................................................................................................................. 237
RTC Match Functionality (No Hibernation) .................................................................... 237
RTC Match/Wake-Up from Hibernation ......................................................................... 238
External Wake-Up from Hibernation .............................................................................. 238
RTC/External Wake-Up from Hibernation ...................................................................... 238
Register Map .............................................................................................................. 238
Register Descriptions .................................................................................................. 239
Internal Memory ................................................................................................... 252
Block Diagram ............................................................................................................ 252
Functional Description ................................................................................................. 252
SRAM Memory ............................................................................................................ 252
Flash Memory ............................................................................................................. 253
Flash Memory Initialization and Configuration ............................................................... 254
Flash Programming ..................................................................................................... 254
Nonvolatile Register Programming ............................................................................... 255
Register Map .............................................................................................................. 256
Flash Register Descriptions (Flash Control Offset) ......................................................... 257
Flash Register Descriptions (System Control Offset) ...................................................... 265
General-Purpose Input/Outputs (GPIOs) ........................................................... 278
Signal Description ....................................................................................................... 278
Functional Description ................................................................................................. 284
Data Control ............................................................................................................... 285
Interrupt Control .......................................................................................................... 286
Mode Control .............................................................................................................. 287
Commit Control ........................................................................................................... 287
Pad Control ................................................................................................................. 287
Identification ............................................................................................................... 288
Initialization and Configuration ..................................................................................... 288
Register Map .............................................................................................................. 289
Register Descriptions .................................................................................................. 291
General-Purpose Timers ...................................................................................... 326
Block Diagram ............................................................................................................ 327
Signal Description ....................................................................................................... 328
Functional Description ................................................................................................. 328
GPTM Reset Conditions .............................................................................................. 328
June 18, 2012
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