P REL I MIN AR Y
LM3S611 Microcontroller
D A TA S H E E T
DS-LM3S61 1-03
Co pyrigh t © 200 7 Lumin ary Micro, In c.
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Preliminary
April 27, 2007
LM3S611 Data Sheet
Table of Contents
Legal Disclaimers and Trademark Information.............................................................................. 2
Revision History ............................................................................................................................. 17
About This Document..................................................................................................................... 19
Audience........................................................................................................................................................... 19
About This Manual............................................................................................................................................ 19
Related Documents .......................................................................................................................................... 19
Documentation Conventions............................................................................................................................. 19
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
1.5
Architectural Overview ....................................................................................................... 22
Product Features ................................................................................................................................. 22
Target Applications .............................................................................................................................. 26
High-Level Block Diagram ................................................................................................................... 27
Functional Overview ............................................................................................................................ 28
ARM Cortex™-M3 ............................................................................................................................... 28
Motor Control Peripherals .................................................................................................................... 28
Analog Peripherals .............................................................................................................................. 29
Serial Communications Peripherals..................................................................................................... 29
System Peripherals.............................................................................................................................. 30
Memory Peripherals............................................................................................................................. 31
Additional Features .............................................................................................................................. 31
Hardware Details ................................................................................................................................. 32
System Block Diagram ........................................................................................................................ 33
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........................................................................................ 34
Block Diagram ..................................................................................................................................... 35
Functional Description ......................................................................................................................... 35
Serial Wire and JTAG Debug .............................................................................................................. 35
Embedded Trace Macrocell (ETM) ...................................................................................................... 36
Trace Port Interface Unit (TPIU) .......................................................................................................... 36
ROM Table .......................................................................................................................................... 36
Memory Protection Unit (MPU) ............................................................................................................ 36
Nested Vectored Interrupt Controller (NVIC) ....................................................................................... 36
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 ........................................................................................................................ 42
Interrupts ............................................................................................................................. 44
JTAG Interface .................................................................................................................... 47
Block Diagram ..................................................................................................................................... 48
Functional Description ......................................................................................................................... 48
JTAG Interface Pins............................................................................................................................. 49
JTAG TAP Controller ........................................................................................................................... 50
Shift Registers ..................................................................................................................................... 51
Operational Considerations ................................................................................................................. 51
Initialization and Configuration............................................................................................................. 52
Register Descriptions........................................................................................................................... 53
Instruction Register (IR) ....................................................................................................................... 53
Data Registers ..................................................................................................................................... 55
6.
6.1
6.1.1
System Control.................................................................................................................... 57
Functional Description ......................................................................................................................... 57
Device Identification............................................................................................................................. 57
April 27, 2007
Preliminary
3
Table of Contents
6.1.2
6.1.3
6.1.4
6.1.5
6.2
6.3
6.4
Reset Control ....................................................................................................................................... 57
Power Control ...................................................................................................................................... 60
Clock Control ....................................................................................................................................... 60
System Control .................................................................................................................................... 62
Initialization and Configuration............................................................................................................. 63
Register Map ....................................................................................................................................... 63
Register Descriptions........................................................................................................................... 64
7.
7.1
7.2
7.2.1
7.2.2
7.3
7.3.1
7.3.2
7.4
7.5
Internal Memory .................................................................................................................. 99
Block Diagram ..................................................................................................................................... 99
Functional Description ......................................................................................................................... 99
SRAM Memory .................................................................................................................................... 99
Flash Memory .................................................................................................................................... 100
Initialization and Configuration........................................................................................................... 102
Changing Flash Protection Bits ......................................................................................................... 102
Flash Programming ........................................................................................................................... 103
Register Map ..................................................................................................................................... 103
Register Descriptions......................................................................................................................... 104
8.
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) ........................................................................ 116
Block Diagram ................................................................................................................................... 117
Functional Description ....................................................................................................................... 118
Data Register Operation .................................................................................................................... 118
Data Direction .................................................................................................................................... 119
Interrupt Operation............................................................................................................................. 119
Mode Control ..................................................................................................................................... 120
Pad Configuration .............................................................................................................................. 120
Identification....................................................................................................................................... 120
Initialization and Configuration........................................................................................................... 120
Register Map ..................................................................................................................................... 122
Register Descriptions......................................................................................................................... 123
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 .................................................................................................. 154
Block Diagram ................................................................................................................................... 155
Functional Description ....................................................................................................................... 155
GPTM Reset Conditions .................................................................................................................... 155
32-Bit Timer Operating Modes........................................................................................................... 155
16-Bit Timer Operating Modes........................................................................................................... 157
Initialization and Configuration........................................................................................................... 161
32-Bit One-Shot/Periodic Timer Mode ............................................................................................... 161
32-Bit Real-Time Clock (RTC) Mode ................................................................................................. 162
16-Bit One-Shot/Periodic Timer Mode ............................................................................................... 162
16-Bit Input Edge Count Mode .......................................................................................................... 162
16-Bit Input Edge Timing Mode ......................................................................................................... 163
16-Bit PWM Mode.............................................................................................................................. 163
Register Map ..................................................................................................................................... 164
Register Descriptions......................................................................................................................... 165
10.
10.1
10.2
10.3
Watchdog Timer ................................................................................................................ 186
Block Diagram ................................................................................................................................... 186
Functional Description ....................................................................................................................... 187
Initialization and Configuration........................................................................................................... 187
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Preliminary
April 27, 2007
LM3S611 Data Sheet
10.4
10.5
Register Map ..................................................................................................................................... 187
Register Descriptions......................................................................................................................... 188
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) .................................................................................. 209
Block Diagram ................................................................................................................................... 209
Functional Description ....................................................................................................................... 210
Sample Sequencers .......................................................................................................................... 210
Module Control .................................................................................................................................. 211
Hardware Sample Averaging Circuit.................................................................................................. 211
Analog-to-Digital Converter ............................................................................................................... 211
Test Modes ........................................................................................................................................ 211
Internal Temperature Sensor ............................................................................................................. 212
Initialization and Configuration........................................................................................................... 212
Module Initialization ........................................................................................................................... 212
Sample Sequencer Configuration ...................................................................................................... 212
Register Map ..................................................................................................................................... 213
Register Descriptions......................................................................................................................... 214
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).......................................... 239
Block Diagram ................................................................................................................................... 240
Functional Description ....................................................................................................................... 240
Transmit/Receive Logic ..................................................................................................................... 240
Baud-Rate Generation ....................................................................................................................... 241
Data Transmission ............................................................................................................................. 242
FIFO Operation .................................................................................................................................. 242
Interrupts............................................................................................................................................ 242
Loopback Operation .......................................................................................................................... 243
Initialization and Configuration........................................................................................................... 243
Register Map ..................................................................................................................................... 244
Register Descriptions......................................................................................................................... 245
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) ................................................................................. 275
Block Diagram ................................................................................................................................... 275
Functional Description ....................................................................................................................... 276
Bit Rate Generation ........................................................................................................................... 276
FIFO Operation .................................................................................................................................. 276
Interrupts............................................................................................................................................ 276
Frame Formats .................................................................................................................................. 277
Initialization and Configuration........................................................................................................... 284
Register Map ..................................................................................................................................... 285
Register Descriptions......................................................................................................................... 286
14.
14.1
14.2
14.2.1
14.2.2
14.3
14.4
14.5
14.6
Inter-Integrated Circuit (I2C) Interface ............................................................................ 310
Block Diagram ................................................................................................................................... 310
Functional Description ....................................................................................................................... 310
I
2
C Bus Functional Overview ............................................................................................................. 311
Available Speed Modes ..................................................................................................................... 320
Initialization and Configuration........................................................................................................... 321
Register Map ..................................................................................................................................... 322
Register Descriptions (I2C Master).................................................................................................... 322
Register Descriptions (I2C Slave)...................................................................................................... 336
April 27, 2007
Preliminary
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