PR E LI MIN ARY
LM3S608 Microcontroller
DATA SHEE T
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Preliminary
October 01, 2007
LM3S608 Microcontroller
Table of Contents
About This Document .................................................................................................................... 17
Audience ..............................................................................................................................................
About This Manual ................................................................................................................................
Related Documents ...............................................................................................................................
Documentation Conventions ..................................................................................................................
17
17
17
17
19
23
23
24
25
25
26
26
27
28
29
29
31
31
31
32
32
32
32
32
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 ...................................................................................................... 19
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 ...................................................................................... 30
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 ....................................................................................................................... 36
Interrupts ............................................................................................................................ 38
JTAG Interface .................................................................................................................... 40
Block Diagram ..........................................................................................................................
Functional Description ...............................................................................................................
JTAG Interface Pins ..................................................................................................................
JTAG TAP Controller .................................................................................................................
Shift Registers ..........................................................................................................................
Operational Considerations ........................................................................................................
Initialization and Configuration ...................................................................................................
Register Descriptions ................................................................................................................
Instruction Register (IR) .............................................................................................................
Data Registers ..........................................................................................................................
41
41
42
43
44
44
45
46
46
48
6
6.1
6.1.1
6.1.2
System Control ................................................................................................................... 50
Functional Description ............................................................................................................... 50
Device Identification .................................................................................................................. 50
Reset Control ............................................................................................................................ 50
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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 ................................................................................................................
53
53
56
56
57
58
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 ............................................................................................................... 108
Block Diagram ........................................................................................................................ 108
Functional Description ............................................................................................................. 108
SRAM Memory ........................................................................................................................ 108
Flash Memory ......................................................................................................................... 109
Flash Memory Initialization and Configuration ........................................................................... 111
Changing Flash Protection Bits ................................................................................................ 111
Flash Programming ................................................................................................................. 112
Register Map .......................................................................................................................... 112
Flash Register Descriptions (Flash Control Offset) ..................................................................... 113
Flash Register Descriptions (System Control Offset) .................................................................. 120
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) ....................................................................... 124
Functional Description ............................................................................................................. 124
Data Control ........................................................................................................................... 125
Interrupt Control ...................................................................................................................... 126
Mode Control .......................................................................................................................... 127
Pad Control ............................................................................................................................. 127
Identification ........................................................................................................................... 127
Initialization and Configuration ................................................................................................. 127
Register Map .......................................................................................................................... 128
Register Descriptions .............................................................................................................. 130
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 ................................................................................................. 162
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 ..........................................................................................................................
163
163
163
163
165
169
169
170
170
171
171
172
172
173
198
198
199
199
10
10.1
10.2
10.3
10.4
Watchdog Timer ............................................................................................................... 198
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Preliminary
October 01, 2007
LM3S608 Microcontroller
10.5
Register Descriptions .............................................................................................................. 200
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) ................................................................................. 221
Block Diagram ........................................................................................................................ 222
Functional Description ............................................................................................................. 222
Sample Sequencers ................................................................................................................ 222
Module Control ........................................................................................................................ 223
Hardware Sample Averaging Circuit ......................................................................................... 224
Analog-to-Digital Converter ...................................................................................................... 224
Test Modes ............................................................................................................................. 224
Internal Temperature Sensor .................................................................................................... 224
Initialization and Configuration ................................................................................................. 225
Module Initialization ................................................................................................................. 225
Sample Sequencer Configuration ............................................................................................. 225
Register Map .......................................................................................................................... 226
Register Descriptions .............................................................................................................. 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
12.4
12.5
Universal Asynchronous Receivers/Transmitters (UARTs) ......................................... 254
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 .....................................................................................................................
255
255
255
256
257
257
257
258
258
259
260
292
292
293
293
293
294
301
302
303
329
329
330
332
333
333
334
340
341
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) ................................................................................ 292
14
14.1
14.2
14.2.1
14.2.2
14.2.3
14.2.4
14.2.5
14.3
14.4
Inter-Integrated Circuit (I
2
C) Interface ............................................................................ 329
October 01, 2007
Preliminary
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