LU MINARY M ICRO CO NFIDE NTIA L-A D VA NC E P RO DU CT IN FORM ATION
LM3S8738 Microcontroller
DATA SHEE T
DS-LM3S8 738-0 1
Cop yr igh t
©
2 00 7 L umin ary Mi cro , In c.
Legal Disclaimers and Trademark Information
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH LUMINARY MICRO PRODUCTS. NO LICENSE, EXPRESS OR
IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT
AS PROVIDED IN LUMINARY MICRO'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, LUMINARY MICRO ASSUMES NO
LIABILITY WHATSOEVER, AND LUMINARY MICRO DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR
USE OF LUMINARY MICRO'S PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
LUMINARY MICRO'S PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL, LIFE SAVING, OR LIFE-SUSTAINING APPLICATIONS.
Luminary Micro may make changes to specifications and product descriptions at any time, without notice. Contact your local Luminary Micro sales office
or your distributor to obtain the latest specifications before placing your product order.
Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Luminary Micro reserves these
for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
Copyright
©
2007 Luminary Micro, Inc. All rights reserved. Stellaris is a registered trademark and Luminary Micro and the Luminary Micro logo are
trademarks of Luminary Micro, Inc. or its subsidiaries in the United States and other countries. ARM and Thumb are registered trademarks and Cortex
is a trademark of ARM Limited. Other names and brands may be claimed as the property of others.
Luminary Micro, Inc.
108 Wild Basin, Suite 350
Austin, TX 78746
Main: +1-512-279-8800
Fax: +1-512-279-8879
http://www.luminarymicro.com
2
Luminary Micro Confidential-Advance Product Information
June 14, 2007
LM3S8738 Microcontroller
Table of Contents
About This Document .................................................................................................................... 20
Audience ..............................................................................................................................................
About This Manual ................................................................................................................................
Related Documents ...............................................................................................................................
Documentation Conventions ..................................................................................................................
20
20
20
20
22
27
27
28
29
29
30
31
32
33
33
36
36
36
37
37
37
37
37
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
Overview ............................................................................................................................. 22
Product Features ......................................................................................................................
Target Applications ....................................................................................................................
High-Level Block Diagram .........................................................................................................
Functional Overview ..................................................................................................................
ARM Cortex™-M3 .....................................................................................................................
Motor Control 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
Cortex-M3 Core .................................................................................................................. 35
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 ....................................................................................................................... 41
Interrupts ............................................................................................................................ 43
JTAG .................................................................................................................................... 46
Block Diagram ..........................................................................................................................
Functional Description ...............................................................................................................
JTAG Interface Pins ..................................................................................................................
JTAG TAP Controller .................................................................................................................
Shift Registers ..........................................................................................................................
Operational Considerations ........................................................................................................
Initialization and Configuration ...................................................................................................
Register Descriptions ................................................................................................................
Instruction Register (IR) .............................................................................................................
Data Registers ..........................................................................................................................
Functional Description ...............................................................................................................
Device Identification ..................................................................................................................
Reset Control ............................................................................................................................
Power Control ...........................................................................................................................
47
47
48
49
50
50
53
53
53
55
57
57
57
60
6
6.1
6.1.1
6.1.2
6.1.3
System Control ................................................................................................................... 57
June 14, 2007
Luminary Micro Confidential-Advance Product Information
3
Table of Contents
6.1.4
6.1.5
6.2
6.3
6.4
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 .........................................................................................................................
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 ..............................................................................................................
60
62
63
63
64
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
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.4
7.5
Hibernation Module .......................................................................................................... 111
112
112
112
113
113
113
114
114
114
114
115
115
115
115
116
116
116
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 ............................................................................................................... 129
Block Diagram ........................................................................................................................ 129
Functional Description ............................................................................................................. 129
SRAM Memory ........................................................................................................................ 129
Flash Memory ......................................................................................................................... 130
Flash Memory Initialization and Configuration ........................................................................... 131
Flash Programming ................................................................................................................. 131
Nonvolatile Register Programming ........................................................................................... 132
Register Map .......................................................................................................................... 132
Flash Control Offset ................................................................................................................. 133
System Control Offset .............................................................................................................. 140
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
GPIO .................................................................................................................................. 153
Function Description ................................................................................................................ 153
Data Control ........................................................................................................................... 153
Interrupt Control ...................................................................................................................... 154
Mode Control .......................................................................................................................... 155
Commit Control ....................................................................................................................... 155
Pad Control ............................................................................................................................. 155
Identification ........................................................................................................................... 156
Initialization and Configuration ................................................................................................. 156
Register Map .......................................................................................................................... 157
Register Descriptions .............................................................................................................. 159
10
10.1
Timers ............................................................................................................................... 194
Block Diagram ........................................................................................................................ 195
4
Luminary Micro Confidential-Advance Product Information
June 14, 2007
LM3S8738 Microcontroller
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
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 ..............................................................................................................
195
195
195
197
201
201
202
202
203
203
204
204
205
227
227
228
228
229
11
11.1
11.2
11.3
11.4
11.5
Watchdog Timer ............................................................................................................... 227
12
12.1
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
12.2.6
12.3
12.3.1
12.3.2
12.4
12.5
ADC ................................................................................................................................... 250
Block Diagram ........................................................................................................................ 251
Functional Description ............................................................................................................. 251
Sample Sequencers ................................................................................................................ 251
Module Control ........................................................................................................................ 252
Hardware Sample Averaging Circuit ......................................................................................... 253
Analog-to-Digital Converter ...................................................................................................... 253
Test Modes ............................................................................................................................. 253
Internal Temperature Sensor .................................................................................................... 253
Initialization and Configuration ................................................................................................. 254
Module Initialization ................................................................................................................. 254
Sample Sequencer Configuration ............................................................................................. 254
Register Map .......................................................................................................................... 255
Register Descriptions .............................................................................................................. 256
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
13.4
13.5
UART ................................................................................................................................. 283
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 .................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
284
284
284
285
286
286
287
287
288
288
288
289
290
June 14, 2007
Luminary Micro Confidential-Advance Product Information
5
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
