LM3S6422 Luminary Micro, Inc, LM3S6422 Datasheet - Page 3

• Manufacturer Part Number: LM3S6422
• Description: Lm3s6422 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Table of Contents
Revision History ............................................................................................................................. 18
About This Document .................................................................................................................... 20
Audience .............................................................................................................................................. 20
About This Manual ................................................................................................................................ 20
Related Documents ............................................................................................................................... 20
Documentation Conventions .................................................................................................................. 20
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 25, 2008
Architectural Overview ...................................................................................................... 23
Product Features ...................................................................................................................... 23
Target Applications .................................................................................................................... 28
High-Level Block Diagram ......................................................................................................... 28
Functional Overview .................................................................................................................. 29
ARM Cortex™-M3 ..................................................................................................................... 30
Motor Control Peripherals .......................................................................................................... 30
Analog Peripherals .................................................................................................................... 31
Serial Communications Peripherals ............................................................................................ 31
System Peripherals ................................................................................................................... 32
Memory Peripherals .................................................................................................................. 33
Additional Features ................................................................................................................... 34
Hardware Details ...................................................................................................................... 34
ARM Cortex-M3 Processor Core ...................................................................................... 35
Block Diagram .......................................................................................................................... 36
Functional Description ............................................................................................................... 36
Serial Wire and JTAG Debug ..................................................................................................... 36
Embedded Trace Macrocell (ETM) ............................................................................................. 37
Trace Port Interface Unit (TPIU) ................................................................................................. 37
ROM Table ............................................................................................................................... 37
Memory Protection Unit (MPU) ................................................................................................... 37
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 37
Memory Map ....................................................................................................................... 41
Interrupts ............................................................................................................................ 43
JTAG Interface .................................................................................................................... 46
Block Diagram .......................................................................................................................... 47
Functional Description ............................................................................................................... 47
JTAG Interface Pins .................................................................................................................. 48
JTAG TAP Controller ................................................................................................................. 49
Shift Registers .......................................................................................................................... 50
Operational Considerations ........................................................................................................ 50
Initialization and Configuration ................................................................................................... 53
Register Descriptions ................................................................................................................ 53
Instruction Register (IR) ............................................................................................................. 53
Data Registers .......................................................................................................................... 55
System Control ................................................................................................................... 57
Functional Description ............................................................................................................... 57
Device Identification .................................................................................................................. 57
Preliminary
LM3S6422 Microcontroller
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