PR E LI MIN ARY
LM3S300 Microcontroller
DATA SHEE T
DS-LM3S3 00-1 7 28
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
Preliminary
October 01, 2007
LM3S300 Microcontroller
Table of Contents
About This Document .................................................................................................................... 15
Audience ..............................................................................................................................................
About This Manual ................................................................................................................................
Related Documents ...............................................................................................................................
Documentation Conventions ..................................................................................................................
15
15
15
15
17
21
21
22
23
23
24
24
25
26
27
27
29
29
29
30
30
30
30
30
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 ...................................................................................................... 17
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 ...................................................................................... 28
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 ....................................................................................................................... 34
Interrupts ............................................................................................................................ 36
JTAG Interface .................................................................................................................... 38
Block Diagram ..........................................................................................................................
Functional Description ...............................................................................................................
JTAG Interface Pins ..................................................................................................................
JTAG TAP Controller .................................................................................................................
Shift Registers ..........................................................................................................................
Operational Considerations ........................................................................................................
Initialization and Configuration ...................................................................................................
Register Descriptions ................................................................................................................
Instruction Register (IR) .............................................................................................................
Data Registers ..........................................................................................................................
39
39
40
41
42
42
43
44
44
46
6
6.1
6.1.1
6.1.2
System Control ................................................................................................................... 48
Functional Description ............................................................................................................... 48
Device Identification .................................................................................................................. 48
Reset Control ............................................................................................................................ 48
October 01, 2007
Preliminary
3
Table of Contents
6.1.3
6.1.4
6.1.5
6.2
6.3
6.4
Power Control ...........................................................................................................................
Clock Control ............................................................................................................................
System Control .........................................................................................................................
Initialization and Configuration ...................................................................................................
Register Map ............................................................................................................................
Register Descriptions ................................................................................................................
51
51
54
54
55
56
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
Internal Memory ............................................................................................................... 103
Block Diagram ........................................................................................................................ 103
Functional Description ............................................................................................................. 103
SRAM Memory ........................................................................................................................ 103
Flash Memory ......................................................................................................................... 104
Flash Memory Initialization and Configuration ........................................................................... 106
Changing Flash Protection Bits ................................................................................................ 106
Flash Programming ................................................................................................................. 107
Register Map .......................................................................................................................... 107
Flash Register Descriptions (Flash Control Offset) ..................................................................... 108
Flash Register Descriptions (System Control Offset) .................................................................. 115
8
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.2
8.3
8.4
General-Purpose Input/Outputs (GPIOs) ....................................................................... 119
Functional Description ............................................................................................................. 119
Data Control ........................................................................................................................... 120
Interrupt Control ...................................................................................................................... 121
Mode Control .......................................................................................................................... 122
Pad Control ............................................................................................................................. 122
Identification ........................................................................................................................... 122
Initialization and Configuration ................................................................................................. 122
Register Map .......................................................................................................................... 123
Register Descriptions .............................................................................................................. 125
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
General-Purpose Timers ................................................................................................. 157
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 ..........................................................................................................................
158
158
158
158
160
164
164
165
165
166
166
167
167
168
193
193
194
194
10
10.1
10.2
10.3
10.4
Watchdog Timer ............................................................................................................... 193
4
Preliminary
October 01, 2007
LM3S300 Microcontroller
10.5
Register Descriptions .............................................................................................................. 195
11
11.1
11.2
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
11.2.6
11.3
11.4
11.5
Universal Asynchronous Receivers/Transmitters (UARTs) ......................................... 216
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Transmit/Receive Logic ...........................................................................................................
Baud-Rate Generation .............................................................................................................
Data Transmission ..................................................................................................................
FIFO Operation .......................................................................................................................
Interrupts ................................................................................................................................
Loopback Operation ................................................................................................................
Initialization and Configuration .................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Bit Rate Generation .................................................................................................................
FIFO Operation .......................................................................................................................
Interrupts ................................................................................................................................
Frame Formats .......................................................................................................................
Initialization and Configuration .................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
I
2
C Bus Functional Overview ....................................................................................................
Available Speed Modes ...........................................................................................................
Interrupts ................................................................................................................................
Loopback Operation ................................................................................................................
Command Sequence Flow Charts ............................................................................................
Initialization and Configuration .................................................................................................
I
2
C Register Map .....................................................................................................................
Register Descriptions (I
2
C Master) ...........................................................................................
Register Descriptions (I2C Slave) .............................................................................................
Block Diagram ........................................................................................................................
Functional Description .............................................................................................................
Internal Reference Programming ..............................................................................................
Initialization and Configuration .................................................................................................
Register Map ..........................................................................................................................
Register Descriptions ..............................................................................................................
217
217
217
218
219
219
219
220
220
221
222
254
254
255
255
255
256
263
264
265
291
291
292
294
295
295
295
302
303
304
317
327
327
329
330
330
331
12
12.1
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.3
12.4
12.5
Synchronous Serial Interface (SSI) ................................................................................ 254
13
13.1
13.2
13.2.1
13.2.2
13.2.3
13.2.4
13.2.5
13.3
13.4
13.5
13.6
Inter-Integrated Circuit (I
2
C) Interface ............................................................................ 291
14
14.1
14.2
14.2.1
14.3
14.4
14.5
Analog Comparators ....................................................................................................... 326
October 01, 2007
Preliminary
5
模拟电子
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
