LM3S6952 Datasheet, PDF (3/626 Pages) Texas Instruments – Stellaris LM3S6952 Microcontroller

Stellaris® LM3S6952 Microcontroller
Table of Contents
Revision History ............................................................................................................................. 21
About This Document .................................................................................................................... 25
Audience .............................................................................................................................................. 25
About This Manual ................................................................................................................................ 25
Related Documents ............................................................................................................................... 25
Documentation Conventions .................................................................................................................. 25
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 .......................................................................................... 28
Product Features .......................................................................................................... 28
Target Applications ........................................................................................................ 37
High-Level Block Diagram ............................................................................................. 37
Functional Overview ...................................................................................................... 39
ARM Cortex™-M3 ......................................................................................................... 39
Motor Control Peripherals .............................................................................................. 40
Analog Peripherals ........................................................................................................ 40
Serial Communications Peripherals ................................................................................ 41
System Peripherals ....................................................................................................... 43
Memory Peripherals ...................................................................................................... 43
Additional Features ....................................................................................................... 44
Hardware Details .......................................................................................................... 45
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 ........................................................................... 46
Block Diagram .............................................................................................................. 47
Functional Description ................................................................................................... 47
Serial Wire and JTAG Debug ......................................................................................... 47
Embedded Trace Macrocell (ETM) ................................................................................. 48
Trace Port Interface Unit (TPIU) ..................................................................................... 48
ROM Table ................................................................................................................... 48
Memory Protection Unit (MPU) ....................................................................................... 48
Nested Vectored Interrupt Controller (NVIC) .................................................................... 48
3
Memory Map ........................................................................................................... 52
4
Interrupts ................................................................................................................. 54
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
JTAG Interface ........................................................................................................ 57
Block Diagram .............................................................................................................. 58
Functional Description ................................................................................................... 58
JTAG Interface Pins ...................................................................................................... 58
JTAG TAP Controller ..................................................................................................... 60
Shift Registers .............................................................................................................. 61
Operational Considerations ............................................................................................ 61
Initialization and Configuration ....................................................................................... 64
Register Descriptions .................................................................................................... 64
Instruction Register (IR) ................................................................................................. 64
Data Registers .............................................................................................................. 66
6
6.1
6.1.1
System Control ....................................................................................................... 69
Functional Description ................................................................................................... 69
Device Identification ...................................................................................................... 69
April 05, 2010
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