LM3S1958 Datasheet, PDF (3/435 Pages) List of Unclassifed Manufacturers – Microcontroller

LM3S1958 Microcontroller
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
Overview ............................................................................................................................. 19
Product Features ...................................................................................................................... 19
Target Applications .................................................................................................................... 23
High-Level Block Diagram ......................................................................................................... 24
Functional Overview .................................................................................................................. 25
ARM Cortex™-M3 ..................................................................................................................... 26
Motor Control Peripherals .......................................................................................................... 26
Serial Communications Peripherals ............................................................................................ 27
System Peripherals ................................................................................................................... 28
Memory Peripherals .................................................................................................................. 29
Additional Features ................................................................................................................... 29
Hardware Details ...................................................................................................................... 30
2
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
Cortex-M3 Core .................................................................................................................. 31
Block Diagram .......................................................................................................................... 32
Functional Description ............................................................................................................... 32
Serial Wire and JTAG Debug ..................................................................................................... 32
Embedded Trace Macrocell (ETM) ............................................................................................. 33
Trace Port Interface Unit (TPIU) ................................................................................................. 33
ROM Table ............................................................................................................................... 33
Memory Protection Unit (MPU) ................................................................................................... 33
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 33
3
Memory Map ....................................................................................................................... 37
4
Interrupts ............................................................................................................................ 39
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 .................................................................................................................................... 42
Block Diagram .......................................................................................................................... 43
Functional Description ............................................................................................................... 43
JTAG Interface Pins .................................................................................................................. 44
JTAG TAP Controller ................................................................................................................. 45
Shift Registers .......................................................................................................................... 46
Operational Considerations ........................................................................................................ 46
Initialization and Configuration ................................................................................................... 49
Register Descriptions ................................................................................................................ 49
Instruction Register (IR) ............................................................................................................. 49
Data Registers .......................................................................................................................... 51
6
6.1
6.1.1
6.1.2
6.1.3
System Control ................................................................................................................... 53
Functional Description ............................................................................................................... 53
Device Identification .................................................................................................................. 53
Reset Control ............................................................................................................................ 53
Power Control ........................................................................................................................... 56
June 14, 2007
3
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