PR ELIMIN ARY
LM3S1608 Microcontroller
DATA SHE ET
DS-LM3S1608- 4 28 3
Copyrig ht
©
2007-2008 Luminary Micro, Inc.
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2007-2008 Luminary Micro, Inc. All rights reserved. Stellaris, Luminary Micro, and the Luminary Micro logo are registered trademarks of
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Preliminary
November 17, 2008
LM3S1608 Microcontroller
Table of Contents
Revision History ............................................................................................................................. 18
About This Document .................................................................................................................... 20
Audience ..............................................................................................................................................
About This Manual ................................................................................................................................
Related Documents ...............................................................................................................................
Documentation Conventions ..................................................................................................................
20
20
20
20
23
30
30
32
32
32
33
34
35
36
36
37
39
39
39
40
40
40
40
40
1
1.1
1.2
1.3
1.4
1.4.1
1.4.2
1.4.3
1.4.4
1.4.5
1.4.6
1.4.7
1.4.8
Architectural Overview ...................................................................................................... 23
Product Features ......................................................................................................................
Target Applications ....................................................................................................................
High-Level Block Diagram .........................................................................................................
Functional Overview ..................................................................................................................
ARM Cortex™-M3 .....................................................................................................................
Motor Control Peripherals ..........................................................................................................
Analog Peripherals ....................................................................................................................
Serial Communications Peripherals ............................................................................................
System Peripherals ...................................................................................................................
Memory Peripherals ..................................................................................................................
Additional Features ...................................................................................................................
Hardware Details ......................................................................................................................
Block Diagram ..........................................................................................................................
Functional Description ...............................................................................................................
Serial Wire and JTAG Debug .....................................................................................................
Embedded Trace Macrocell (ETM) .............................................................................................
Trace Port Interface Unit (TPIU) .................................................................................................
ROM Table ...............................................................................................................................
Memory Protection Unit (MPU) ...................................................................................................
Nested Vectored Interrupt Controller (NVIC) ................................................................................
2
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
ARM Cortex-M3 Processor Core ...................................................................................... 38
3
4
5
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.3
5.4
5.4.1
5.4.2
Memory Map ....................................................................................................................... 44
Interrupts ............................................................................................................................ 46
JTAG Interface .................................................................................................................... 49
Block Diagram ..........................................................................................................................
Functional Description ...............................................................................................................
JTAG Interface Pins ..................................................................................................................
JTAG TAP Controller .................................................................................................................
Shift Registers ..........................................................................................................................
Operational Considerations ........................................................................................................
Initialization and Configuration ...................................................................................................
Register Descriptions ................................................................................................................
Instruction Register (IR) .............................................................................................................
Data Registers ..........................................................................................................................
50
50
50
52
53
53
56
56
56
58
6
6.1
6.1.1
System Control ................................................................................................................... 61
Functional Description ............................................................................................................... 61
Device Identification .................................................................................................................. 61
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3
Table of Contents
6.1.2
6.1.3
6.1.4
6.1.5
6.2
6.3
6.4
Reset Control ............................................................................................................................
Power Control ...........................................................................................................................
Clock Control ............................................................................................................................
System Control .........................................................................................................................
Initialization and Configuration ...................................................................................................
Register Map ............................................................................................................................
Register Descriptions ................................................................................................................
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Register Access Timing ...........................................................................................................
Clock Source ..........................................................................................................................
Battery Management ...............................................................................................................
Real-Time Clock ......................................................................................................................
Non-Volatile Memory ...............................................................................................................
Power Control .........................................................................................................................
Initiating Hibernate ..................................................................................................................
Interrupts and Status ...............................................................................................................
Initialization and Configuration .................................................................................................
Initialization .............................................................................................................................
RTC Match Functionality (No Hibernation) ................................................................................
RTC Match/Wake-Up from Hibernation .....................................................................................
External Wake-Up from Hibernation ..........................................................................................
RTC/External Wake-Up from Hibernation ..................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
61
64
64
67
68
69
70
7
7.1
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.4
7.5
Hibernation Module .......................................................................................................... 123
124
124
124
125
126
126
127
127
127
128
128
128
128
129
129
129
129
130
8
8.1
8.2
8.2.1
8.2.2
8.3
8.3.1
8.3.2
8.4
8.5
8.6
Internal Memory ............................................................................................................... 143
Block Diagram ........................................................................................................................ 143
Functional Description ............................................................................................................. 143
SRAM Memory ........................................................................................................................ 143
Flash Memory ......................................................................................................................... 144
Flash Memory Initialization and Configuration ........................................................................... 145
Flash Programming ................................................................................................................. 145
Nonvolatile Register Programming ........................................................................................... 145
Register Map .......................................................................................................................... 146
Flash Register Descriptions (Flash Control Offset) ..................................................................... 147
Flash Register Descriptions (System Control Offset) .................................................................. 154
9
9.1
9.1.1
9.1.2
9.1.3
9.1.4
9.1.5
9.1.6
9.2
9.3
9.4
General-Purpose Input/Outputs (GPIOs) ....................................................................... 167
Functional Description ............................................................................................................. 167
Data Control ........................................................................................................................... 168
Interrupt Control ...................................................................................................................... 169
Mode Control .......................................................................................................................... 170
Commit Control ....................................................................................................................... 170
Pad Control ............................................................................................................................. 170
Identification ........................................................................................................................... 171
Initialization and Configuration ................................................................................................. 171
Register Map .......................................................................................................................... 172
Register Descriptions .............................................................................................................. 174
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Preliminary
November 17, 2008
LM3S1608 Microcontroller
10
10.1
10.2
10.2.1
10.2.2
10.2.3
10.3
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
10.3.6
10.4
10.5
General-Purpose Timers ................................................................................................. 209
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
GPTM Reset Conditions ..........................................................................................................
32-Bit Timer Operating Modes ..................................................................................................
16-Bit Timer Operating Modes ..................................................................................................
Initialization and Configuration .................................................................................................
32-Bit One-Shot/Periodic Timer Mode .......................................................................................
32-Bit Real-Time Clock (RTC) Mode .........................................................................................
16-Bit One-Shot/Periodic Timer Mode .......................................................................................
16-Bit Input Edge Count Mode .................................................................................................
16-Bit Input Edge Timing Mode ................................................................................................
16-Bit PWM Mode ...................................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Initialization and Configuration .................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
210
211
211
211
212
216
216
217
217
218
218
219
219
220
246
246
247
247
248
11
11.1
11.2
11.3
11.4
11.5
Watchdog Timer ............................................................................................................... 245
12
12.1
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
12.2.6
12.2.7
12.3
12.3.1
12.3.2
12.4
12.5
Analog-to-Digital Converter (ADC) ................................................................................. 269
Block Diagram ........................................................................................................................ 269
Functional Description ............................................................................................................. 270
Sample Sequencers ................................................................................................................ 270
Module Control ........................................................................................................................ 271
Hardware Sample Averaging Circuit ......................................................................................... 272
Analog-to-Digital Converter ...................................................................................................... 272
Differential Sampling ............................................................................................................... 272
Test Modes ............................................................................................................................. 274
Internal Temperature Sensor .................................................................................................... 275
Initialization and Configuration ................................................................................................. 275
Module Initialization ................................................................................................................. 275
Sample Sequencer Configuration ............................................................................................. 276
Register Map .......................................................................................................................... 276
Register Descriptions .............................................................................................................. 277
13
13.1
13.2
13.2.1
13.2.2
13.2.3
13.2.4
13.2.5
13.2.6
13.2.7
13.2.8
13.3
Universal Asynchronous Receivers/Transmitters (UARTs) ......................................... 305
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Transmit/Receive Logic ...........................................................................................................
Baud-Rate Generation .............................................................................................................
Data Transmission ..................................................................................................................
Serial IR (SIR) .........................................................................................................................
FIFO Operation .......................................................................................................................
Interrupts ................................................................................................................................
Loopback Operation ................................................................................................................
IrDA SIR block ........................................................................................................................
Initialization and Configuration .................................................................................................
306
306
306
307
308
308
309
309
310
310
310
November 17, 2008
Preliminary
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