LM3S2965_0711 Datasheet, PDF (3/574 Pages) List of Unclassifed Manufacturers – Microcontroller

LM3S2965 Microcontroller
Table of Contents
About This Document .................................................................................................................... 21
Audience .............................................................................................................................................. 21
About This Manual ................................................................................................................................ 21
Related Documents ............................................................................................................................... 21
Documentation Conventions .................................................................................................................. 21
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 ...................................................................................................... 23
Product Features ...................................................................................................................... 23
Target Applications .................................................................................................................... 29
High-Level Block Diagram ......................................................................................................... 30
Functional Overview .................................................................................................................. 31
ARM Cortex™-M3 ..................................................................................................................... 31
Motor Control Peripherals .......................................................................................................... 31
Analog Peripherals .................................................................................................................... 32
Serial Communications Peripherals ............................................................................................ 33
System Peripherals ................................................................................................................... 34
Memory Peripherals .................................................................................................................. 35
Additional Features ................................................................................................................... 36
Hardware Details ...................................................................................................................... 36
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 ...................................................................................... 38
Block Diagram .......................................................................................................................... 39
Functional Description ............................................................................................................... 39
Serial Wire and JTAG Debug ..................................................................................................... 39
Embedded Trace Macrocell (ETM) ............................................................................................. 40
Trace Port Interface Unit (TPIU) ................................................................................................. 40
ROM Table ............................................................................................................................... 40
Memory Protection Unit (MPU) ................................................................................................... 40
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 40
3
Memory Map ....................................................................................................................... 44
4
Interrupts ............................................................................................................................ 46
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 .................................................................................................................... 49
Block Diagram .......................................................................................................................... 50
Functional Description ............................................................................................................... 50
JTAG Interface Pins .................................................................................................................. 51
JTAG TAP Controller ................................................................................................................. 52
Shift Registers .......................................................................................................................... 53
Operational Considerations ........................................................................................................ 53
Initialization and Configuration ................................................................................................... 56
Register Descriptions ................................................................................................................ 56
Instruction Register (IR) ............................................................................................................. 56
Data Registers .......................................................................................................................... 58
6
6.1
6.1.1
6.1.2
System Control ................................................................................................................... 60
Functional Description ............................................................................................................... 60
Device Identification .................................................................................................................. 60
Reset Control ............................................................................................................................ 60
November 30, 2007
3
Preliminary