LM3S8971 Luminary Micro, Inc, LM3S8971 Datasheet - Page 3

• Manufacturer Part Number: LM3S8971
• Description: Lm3s8971 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Table of Contents
Revision History ............................................................................................................................. 21
About This Document .................................................................................................................... 23
Audience .............................................................................................................................................. 23
About This Manual ................................................................................................................................ 23
Related Documents ............................................................................................................................... 23
Documentation Conventions .................................................................................................................. 23
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
2
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
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
6
6.1
6.1.1
July 26, 2008
Architectural Overview ...................................................................................................... 26
Product Features ...................................................................................................................... 26
Target Applications .................................................................................................................... 32
High-Level Block Diagram ......................................................................................................... 33
Functional Overview .................................................................................................................. 33
ARM Cortex™-M3 ..................................................................................................................... 34
Motor Control Peripherals .......................................................................................................... 34
Analog Peripherals .................................................................................................................... 35
Serial Communications Peripherals ............................................................................................ 36
System Peripherals ................................................................................................................... 37
Memory Peripherals .................................................................................................................. 38
Additional Features ................................................................................................................... 38
Hardware Details ...................................................................................................................... 39
ARM Cortex-M3 Processor Core ...................................................................................... 40
Block Diagram .......................................................................................................................... 41
Functional Description ............................................................................................................... 41
Serial Wire and JTAG Debug ..................................................................................................... 41
Embedded Trace Macrocell (ETM) ............................................................................................. 42
Trace Port Interface Unit (TPIU) ................................................................................................. 42
ROM Table ............................................................................................................................... 42
Memory Protection Unit (MPU) ................................................................................................... 42
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 42
Memory Map ....................................................................................................................... 46
Interrupts ............................................................................................................................ 48
JTAG Interface .................................................................................................................... 51
Block Diagram .......................................................................................................................... 52
Functional Description ............................................................................................................... 52
JTAG Interface Pins .................................................................................................................. 53
JTAG TAP Controller ................................................................................................................. 54
Shift Registers .......................................................................................................................... 55
Operational Considerations ........................................................................................................ 55
Initialization and Configuration ................................................................................................... 58
Register Descriptions ................................................................................................................ 58
Instruction Register (IR) ............................................................................................................. 58
Data Registers .......................................................................................................................... 60
System Control ................................................................................................................... 62
Functional Description ............................................................................................................... 62
Device Identification .................................................................................................................. 62
Preliminary
LM3S8971 Microcontroller
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