LM3S828 Datasheet, PDF (5/526 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S828 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 ................................................................................................... 206
Block Diagram ............................................................................................................ 206
Functional Description ................................................................................................. 206
SRAM Memory ............................................................................................................ 206
Flash Memory ............................................................................................................. 207
Flash Memory Initialization and Configuration ............................................................... 209
Changing Flash Protection Bits .................................................................................... 209
Flash Programming ..................................................................................................... 210
Register Map .............................................................................................................. 211
Flash Register Descriptions (Flash Control Offset) ......................................................... 211
Flash Register Descriptions (System Control Offset) ...................................................... 219
General-Purpose Input/Outputs (GPIOs) ........................................................... 223
Block Diagram ............................................................................................................ 224
Signal Description ....................................................................................................... 224
Functional Description ................................................................................................. 226
Data Control ............................................................................................................... 227
Interrupt Control .......................................................................................................... 228
Mode Control .............................................................................................................. 229
Pad Control ................................................................................................................. 229
Identification ............................................................................................................... 229
Initialization and Configuration ..................................................................................... 229
Register Map .............................................................................................................. 230
Register Descriptions .................................................................................................. 232
General-Purpose Timers ...................................................................................... 264
Block Diagram ............................................................................................................ 265
Signal Description ....................................................................................................... 265
Functional Description ................................................................................................. 266
GPTM Reset Conditions .............................................................................................. 266
32-Bit Timer Operating Modes ...................................................................................... 266
16-Bit Timer Operating Modes ...................................................................................... 268
Initialization and Configuration ..................................................................................... 271
32-Bit One-Shot/Periodic Timer Mode ........................................................................... 271
32-Bit Real-Time Clock (RTC) Mode ............................................................................. 272
16-Bit One-Shot/Periodic Timer Mode ........................................................................... 272
16-Bit Input Edge Count Mode ..................................................................................... 273
16-Bit Input Edge Timing Mode .................................................................................... 273
16-Bit PWM Mode ....................................................................................................... 274
Register Map .............................................................................................................. 274
Register Descriptions .................................................................................................. 275
Watchdog Timer ................................................................................................... 300
Block Diagram ............................................................................................................ 301
Functional Description ................................................................................................. 301
Initialization and Configuration ..................................................................................... 302
Register Map .............................................................................................................. 302
Register Descriptions .................................................................................................. 303
Analog-to-Digital Converter (ADC) ..................................................................... 324
Block Diagram ............................................................................................................ 324
June 18, 2012
5
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