LM3S308 Luminary Micro, Inc, LM3S308 Datasheet - Page 3

• Manufacturer Part Number: LM3S308
• Description: Lm3s308 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Table of Contents
About This Document .................................................................................................................... 17
Audience .............................................................................................................................................. 17
About This Manual ................................................................................................................................ 17
Related Documents ............................................................................................................................... 17
Documentation Conventions .................................................................................................................. 17
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
6.1.2
June 04, 2008
Architectural Overview ...................................................................................................... 20
Product Features ...................................................................................................................... 20
Target Applications .................................................................................................................... 24
High-Level Block Diagram ......................................................................................................... 25
Functional Overview .................................................................................................................. 25
ARM Cortex™-M3 ..................................................................................................................... 26
Motor Control Peripherals .......................................................................................................... 26
Analog Peripherals .................................................................................................................... 27
Serial Communications Peripherals ............................................................................................ 27
System Peripherals ................................................................................................................... 29
Memory Peripherals .................................................................................................................. 29
Additional Features ................................................................................................................... 30
Hardware Details ...................................................................................................................... 30
ARM Cortex-M3 Processor Core ...................................................................................... 32
Block Diagram .......................................................................................................................... 33
Functional Description ............................................................................................................... 33
Serial Wire and JTAG Debug ..................................................................................................... 33
Embedded Trace Macrocell (ETM) ............................................................................................. 34
Trace Port Interface Unit (TPIU) ................................................................................................. 34
ROM Table ............................................................................................................................... 34
Memory Protection Unit (MPU) ................................................................................................... 34
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 34
Memory Map ....................................................................................................................... 38
Interrupts ............................................................................................................................ 40
JTAG Interface .................................................................................................................... 42
Block Diagram .......................................................................................................................... 43
Functional Description ............................................................................................................... 43
JTAG Interface Pins .................................................................................................................. 44
JTAG TAP Controller ................................................................................................................. 45
Shift Registers .......................................................................................................................... 46
Operational Considerations ........................................................................................................ 46
Initialization and Configuration ................................................................................................... 47
Register Descriptions ................................................................................................................ 48
Instruction Register (IR) ............................................................................................................. 48
Data Registers .......................................................................................................................... 50
System Control ................................................................................................................... 52
Functional Description ............................................................................................................... 52
Device Identification .................................................................................................................. 52
Reset Control ............................................................................................................................ 52
Preliminary
LM3S308 Microcontroller
3