LM3S2139 Luminary Micro, Inc, LM3S2139 Datasheet - Page 4

• Manufacturer Part Number: LM3S2139
• Description: Lm3s2139 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Table of Contents
6.1.2
6.1.3
6.1.4
6.1.5
6.2
6.3
6.4
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
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.2
8.3
8.4
9
9.1
9.2
9.2.1
9.2.2
9.2.3
9.3
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.4
9.5
10
10.1
10.2
4
Reset Control ............................................................................................................................ 58
Power Control ........................................................................................................................... 61
Clock Control ............................................................................................................................ 61
System Control ......................................................................................................................... 64
Initialization and Configuration ................................................................................................... 65
Register Map ............................................................................................................................ 66
Register Descriptions ................................................................................................................ 67
Internal Memory ............................................................................................................... 116
Block Diagram ........................................................................................................................ 116
Functional Description ............................................................................................................. 116
SRAM Memory ........................................................................................................................ 116
Flash Memory ......................................................................................................................... 117
Flash Memory Initialization and Configuration ........................................................................... 118
Flash Programming ................................................................................................................. 118
Nonvolatile Register Programming ........................................................................................... 119
Register Map .......................................................................................................................... 119
Flash Register Descriptions (Flash Control Offset) ..................................................................... 120
Flash Register Descriptions (System Control Offset) .................................................................. 127
General-Purpose Input/Outputs (GPIOs) ....................................................................... 140
Functional Description ............................................................................................................. 140
Data Control ........................................................................................................................... 141
Interrupt Control ...................................................................................................................... 142
Mode Control .......................................................................................................................... 143
Commit Control ....................................................................................................................... 143
Pad Control ............................................................................................................................. 143
Identification ........................................................................................................................... 143
Initialization and Configuration ................................................................................................. 144
Register Map .......................................................................................................................... 145
Register Descriptions .............................................................................................................. 147
General-Purpose Timers ................................................................................................. 182
Block Diagram ........................................................................................................................ 182
Functional Description ............................................................................................................. 183
GPTM Reset Conditions .......................................................................................................... 183
32-Bit Timer Operating Modes .................................................................................................. 184
16-Bit Timer Operating Modes .................................................................................................. 185
Initialization and Configuration ................................................................................................. 189
32-Bit One-Shot/Periodic Timer Mode ....................................................................................... 189
32-Bit Real-Time Clock (RTC) Mode ......................................................................................... 190
16-Bit One-Shot/Periodic Timer Mode ....................................................................................... 190
16-Bit Input Edge Count Mode ................................................................................................. 191
16-Bit Input Edge Timing Mode ................................................................................................ 191
16-Bit PWM Mode ................................................................................................................... 192
Register Map .......................................................................................................................... 192
Register Descriptions .............................................................................................................. 193
Watchdog Timer ............................................................................................................... 218
Block Diagram ........................................................................................................................ 218
Functional Description ............................................................................................................. 218
Preliminary
July 25, 2008