LM3S6422 Datasheet, PDF (5/609 Pages) Texas Instruments – Stellaris® LM3S6422 Microcontroller

Stellaris^® LM3S6422 Microcontroller
6
6.1
6.2
6.2.1
6.2.2
6.3
6.3.1
6.3.2
6.4
6.5
6.6
7
7.1
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.3
7.4
7.5
8
8.1
8.2
8.3
8.3.1
8.3.2
8.3.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.5
8.6
9
9.1
9.2
9.3
9.4
9.5
10
10.1
Internal Memory ................................................................................................... 225
Block Diagram ............................................................................................................ 225
Functional Description ................................................................................................. 225
SRAM Memory ............................................................................................................ 225
Flash Memory ............................................................................................................. 226
Flash Memory Initialization and Configuration ............................................................... 227
Flash Programming ..................................................................................................... 227
Nonvolatile Register Programming ............................................................................... 228
Register Map .............................................................................................................. 229
Flash Register Descriptions (Flash Control Offset) ......................................................... 230
Flash Register Descriptions (System Control Offset) ...................................................... 238
General-Purpose Input/Outputs (GPIOs) ........................................................... 251
Signal Description ....................................................................................................... 251
Functional Description ................................................................................................. 255
Data Control ............................................................................................................... 256
Interrupt Control .......................................................................................................... 257
Mode Control .............................................................................................................. 258
Commit Control ........................................................................................................... 258
Pad Control ................................................................................................................. 258
Identification ............................................................................................................... 259
Initialization and Configuration ..................................................................................... 259
Register Map .............................................................................................................. 260
Register Descriptions .................................................................................................. 262
General-Purpose Timers ...................................................................................... 297
Block Diagram ............................................................................................................ 298
Signal Description ....................................................................................................... 298
Functional Description ................................................................................................. 299
GPTM Reset Conditions .............................................................................................. 299
32-Bit Timer Operating Modes ...................................................................................... 299
16-Bit Timer Operating Modes ...................................................................................... 301
Initialization and Configuration ..................................................................................... 304
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 305
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 305
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 305
16-Bit Input Edge Count Mode ..................................................................................... 306
16-Bit Input Edge Timing Mode .................................................................................... 306
16-Bit PWM Mode ....................................................................................................... 307
Register Map .............................................................................................................. 307
Register Descriptions .................................................................................................. 308
Watchdog Timer ................................................................................................... 333
Block Diagram ............................................................................................................ 334
Functional Description ................................................................................................. 334
Initialization and Configuration ..................................................................................... 335
Register Map .............................................................................................................. 335
Register Descriptions .................................................................................................. 336
Analog-to-Digital Converter (ADC) ..................................................................... 357
Block Diagram ............................................................................................................ 357
June 18, 2012
5
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