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LM3S611: DescriptionMicrocontroller; File Size2MB，396 Pages; ManufacturerETC2

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LM3S611 Overview

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P RE L I M I NA R Y

LM3S611 Microcontroller

D A TA SH EET

DS -LM3S 611- 01

LM3S611 Data Sheet

Table of Contents

Legal Disclaimers and Trademark Information.............................................................................. 2

Revision History ............................................................................................................................. 17

About This Document..................................................................................................................... 18

Audience........................................................................................................................................................... 18

About This Manual............................................................................................................................................ 18

Related Documents .......................................................................................................................................... 18

Documentation Conventions............................................................................................................................. 18

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

1.5

Architectural Overview ....................................................................................................... 21

Product Features ................................................................................................................................. 21

Target Applications .............................................................................................................................. 25

High-Level Block Diagram ................................................................................................................... 26

Functional Overview ............................................................................................................................ 27

ARM Cortex™-M3 ............................................................................................................................... 27

Motor Control Peripherals .................................................................................................................... 27

Analog Peripherals .............................................................................................................................. 28

Serial Communications Peripherals..................................................................................................... 28

System Peripherals.............................................................................................................................. 29

Memory Peripherals............................................................................................................................. 30

Additional Features .............................................................................................................................. 30

Hardware Details ................................................................................................................................. 31

System Block Diagram ........................................................................................................................ 32

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........................................................................................ 33

Block Diagram ..................................................................................................................................... 34

Functional Description ......................................................................................................................... 34

Serial Wire and JTAG Debug .............................................................................................................. 34

Embedded Trace Macrocell (ETM) ...................................................................................................... 35

Trace Port Interface Unit (TPIU) .......................................................................................................... 35

ROM Table .......................................................................................................................................... 35

Memory Protection Unit (MPU) ............................................................................................................ 35

Nested Vectored Interrupt Controller (NVIC) ....................................................................................... 35

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 ........................................................................................................................ 36

Interrupts ............................................................................................................................. 38

JTAG Interface .................................................................................................................... 41

Block Diagram ..................................................................................................................................... 42

Functional Description ......................................................................................................................... 42

JTAG Interface Pins............................................................................................................................. 43

JTAG TAP Controller ........................................................................................................................... 44

Shift Registers ..................................................................................................................................... 45

Operational Considerations ................................................................................................................. 45

Initialization and Configuration............................................................................................................. 46

Register Descriptions........................................................................................................................... 47

Instruction Register (IR) ....................................................................................................................... 47

Data Registers ..................................................................................................................................... 49

6.1

6.1.1

System Control.................................................................................................................... 51

Functional Description ......................................................................................................................... 51

Device Identification............................................................................................................................. 51

October 8, 2006

Preliminary

Table of Contents

6.1.2

6.1.3

6.1.4

6.1.5

6.2

6.3

6.4

Reset Control ....................................................................................................................................... 51

Power Control ...................................................................................................................................... 54

Clock Control ....................................................................................................................................... 54

System Control .................................................................................................................................... 56

Initialization and Configuration............................................................................................................. 57

Register Map ....................................................................................................................................... 57

Register Descriptions........................................................................................................................... 58

7.1

7.2

7.2.1

7.2.2

7.3

7.3.1

7.3.2

7.4

7.5

Internal Memory .................................................................................................................. 93

Block Diagram ..................................................................................................................................... 93

Functional Description ......................................................................................................................... 93

SRAM Memory .................................................................................................................................... 93

Flash Memory ...................................................................................................................................... 94

Initialization and Configuration............................................................................................................. 95

Changing Flash Protection Bits ........................................................................................................... 95

Flash Programming ............................................................................................................................. 96

Register Map ....................................................................................................................................... 96

Register Descriptions........................................................................................................................... 97

8.1

8.2

8.2.1

8.2.2

8.2.3

8.2.4

8.2.5

8.2.6

8.3

8.4

8.5

General-Purpose Input/Outputs (GPIOs) ........................................................................ 107

Block Diagram ................................................................................................................................... 108

Functional Description ....................................................................................................................... 109

Data Register Operation .................................................................................................................... 109

Data Direction .................................................................................................................................... 110

Interrupt Operation............................................................................................................................. 110

Mode Control ..................................................................................................................................... 111

Pad Configuration .............................................................................................................................. 111

Identification....................................................................................................................................... 111

Initialization and Configuration........................................................................................................... 111

Register Map ..................................................................................................................................... 113

Register Descriptions......................................................................................................................... 114

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 .................................................................................................. 145

Block Diagram ................................................................................................................................... 146

Functional Description ....................................................................................................................... 146

GPTM Reset Conditions .................................................................................................................... 146

32-Bit Timer Operating Modes........................................................................................................... 146

16-Bit Timer Operating Modes........................................................................................................... 148

Initialization and Configuration........................................................................................................... 152

32-Bit One-Shot/Periodic Timer Mode ............................................................................................... 152

32-Bit Real-Time Clock (RTC) Mode ................................................................................................. 153

16-Bit One-Shot/Periodic Timer Mode ............................................................................................... 153

16-Bit Input Edge Count Mode .......................................................................................................... 153

16-Bit Input Edge Timing Mode ......................................................................................................... 154

16-Bit PWM Mode.............................................................................................................................. 154

Register Map ..................................................................................................................................... 155

Register Descriptions......................................................................................................................... 156

10.

10.1

10.2

10.3

10.4

Watchdog Timer ................................................................................................................ 177

Block Diagram ................................................................................................................................... 177

Functional Description ....................................................................................................................... 178

Initialization and Configuration........................................................................................................... 178

Register Map ..................................................................................................................................... 178

Preliminary

October 8, 2006

LM3S611 Data Sheet

10.5

Register Descriptions......................................................................................................................... 179

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

11.3.1

11.3.2

11.4

11.5

Analog-to-Digital Converter (ADC) .................................................................................. 200

Block Diagram ................................................................................................................................... 200

Functional Description ....................................................................................................................... 201

Sample Sequencers .......................................................................................................................... 201

Module Control .................................................................................................................................. 202

Hardware Sample Averaging Circuit.................................................................................................. 202

Analog-to-Digital Converter ............................................................................................................... 202

Test Modes ........................................................................................................................................ 202

Internal Temperature Sensor ............................................................................................................. 203

Initialization and Configuration........................................................................................................... 203

Module Initialization ........................................................................................................................... 203

Sample Sequencer Configuration ...................................................................................................... 203

Register Map ..................................................................................................................................... 204

Register Descriptions......................................................................................................................... 205

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

12.4

12.5

Universal Asynchronous Receivers/Transmitters (UARTs).......................................... 230

Block Diagram ................................................................................................................................... 231

Functional Description ....................................................................................................................... 231

Transmit/Receive Logic ..................................................................................................................... 231

Baud-Rate Generation ....................................................................................................................... 232

Data Transmission ............................................................................................................................. 233

FIFO Operation .................................................................................................................................. 233

Interrupts............................................................................................................................................ 233

Loopback Operation .......................................................................................................................... 234

Initialization and Configuration........................................................................................................... 234

Register Map ..................................................................................................................................... 235

Register Descriptions......................................................................................................................... 236

13.

13.1

13.2

13.2.1

13.2.2

13.2.3

13.2.4

13.3

13.4

13.5

Synchronous Serial Interface (SSI) ................................................................................. 266

Block Diagram ................................................................................................................................... 266

Functional Description ....................................................................................................................... 267

Bit Rate Generation ........................................................................................................................... 267

FIFO Operation .................................................................................................................................. 267

Interrupts............................................................................................................................................ 267

Frame Formats .................................................................................................................................. 268

Initialization and Configuration........................................................................................................... 275

Register Map ..................................................................................................................................... 276

Register Descriptions......................................................................................................................... 277

14.

14.1

14.2

14.2.1

14.2.2

14.3

14.4

14.5

14.6

Inter-Integrated Circuit (I2C) Interface ............................................................................ 301

Block Diagram ................................................................................................................................... 301

Functional Description ....................................................................................................................... 301

C Bus Functional Overview ............................................................................................................. 302

Available Speed Modes ..................................................................................................................... 309

Initialization and Configuration........................................................................................................... 310

Register Map ..................................................................................................................................... 311

Register Descriptions (I2C Master).................................................................................................... 311

Register Descriptions (I2C Slave)...................................................................................................... 325

15.

15.1

15.2

Pulse Width Modulator (PWM) ......................................................................................... 333

Block Diagram ................................................................................................................................... 333

Functional Description ....................................................................................................................... 333

October 8, 2006

Preliminary

LM3S611 Related Products

	LM3S611	LM3S611-IQN50	LM3S611-IQN50TF	LM3S611_06
Description	Microcontroller	Microcontroller	Microcontroller	Microcontroller

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