LM3S812_16 Datasheet, PDF (5/590 Pages) Texas Instruments – Stellaris LM3S812 Microcontroller

Stellaris^® LM3S812 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
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.4
7.5
7.6
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 ................................................................................................... 212
Block Diagram ............................................................................................................ 212
Functional Description ................................................................................................. 212
SRAM Memory ............................................................................................................ 212
Flash Memory ............................................................................................................. 213
Flash Memory Initialization and Configuration ............................................................... 216
Changing Flash Protection Bits .................................................................................... 216
Flash Programming ..................................................................................................... 217
Register Map .............................................................................................................. 218
Flash Register Descriptions (Flash Control Offset) ......................................................... 218
Flash Register Descriptions (System Control Offset) ...................................................... 226
General-Purpose Input/Outputs (GPIOs) ........................................................... 230
Block Diagram ............................................................................................................ 231
Signal Description ....................................................................................................... 231
Functional Description ................................................................................................. 234
Data Control ............................................................................................................... 235
Interrupt Control .......................................................................................................... 236
Mode Control .............................................................................................................. 237
Pad Control ................................................................................................................. 237
Identification ............................................................................................................... 237
Initialization and Configuration ..................................................................................... 237
Register Map .............................................................................................................. 238
Register Descriptions .................................................................................................. 240
General-Purpose Timers ...................................................................................... 272
Block Diagram ............................................................................................................ 273
Signal Description ....................................................................................................... 273
Functional Description ................................................................................................. 274
GPTM Reset Conditions .............................................................................................. 274
32-Bit Timer Operating Modes ...................................................................................... 274
16-Bit Timer Operating Modes ...................................................................................... 276
Initialization and Configuration ..................................................................................... 279
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 279
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 280
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 280
16-Bit Input Edge Count Mode ..................................................................................... 281
16-Bit Input Edge Timing Mode .................................................................................... 281
16-Bit PWM Mode ....................................................................................................... 282
Register Map .............................................................................................................. 282
Register Descriptions .................................................................................................. 283
Watchdog Timer ................................................................................................... 308
Block Diagram ............................................................................................................ 309
Functional Description ................................................................................................. 309
Initialization and Configuration ..................................................................................... 310
Register Map .............................................................................................................. 310
Register Descriptions .................................................................................................. 311
Analog-to-Digital Converter (ADC) ..................................................................... 332
Block Diagram ............................................................................................................ 332
July 14, 2014
5
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