LM3S315 Luminary Micro, Inc., LM3S315 Datasheet - Page 3

• Manufacturer Part Number: LM3S315
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

Table of Contents
Legal Disclaimers and Trademark Information.............................................................................. 2
Revision History ............................................................................................................................. 16
About This Document..................................................................................................................... 18
Audience........................................................................................................................................................... 18
About This Manual............................................................................................................................................ 18
Related Documents .......................................................................................................................................... 18
Documentation Conventions............................................................................................................................. 18
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
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
April 27, 2007
Architectural Overview ....................................................................................................... 21
Product Features ................................................................................................................................. 21
Target Applications .............................................................................................................................. 25
High-Level Block Diagram ................................................................................................................... 26
Functional Overview ............................................................................................................................ 27
ARM Cortex™-M3 ............................................................................................................................... 27
Motor Control Peripherals .................................................................................................................... 27
Analog Peripherals .............................................................................................................................. 28
Serial Communications Peripherals..................................................................................................... 28
System Peripherals.............................................................................................................................. 29
Memory Peripherals............................................................................................................................. 30
Additional Features .............................................................................................................................. 30
Hardware Details ................................................................................................................................. 31
System Block Diagram ........................................................................................................................ 32
ARM Cortex-M3 Processor Core........................................................................................ 33
Block Diagram ..................................................................................................................................... 34
Functional Description ......................................................................................................................... 34
Serial Wire and JTAG Debug .............................................................................................................. 34
Embedded Trace Macrocell (ETM) ...................................................................................................... 35
Trace Port Interface Unit (TPIU) .......................................................................................................... 35
ROM Table .......................................................................................................................................... 35
Memory Protection Unit (MPU) ............................................................................................................ 35
Nested Vectored Interrupt Controller (NVIC) ....................................................................................... 35
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............................................................................................................. 51
Register Descriptions........................................................................................................................... 52
Instruction Register (IR) ....................................................................................................................... 52
Data Registers ..................................................................................................................................... 54
System Control.................................................................................................................... 56
Functional Description ......................................................................................................................... 56
Device Identification............................................................................................................................. 56
Preliminary
LM3S315 Data Sheet
3