Table of Contents
About This Document .................................................................................................................... 15
Audience .............................................................................................................................................. 15
About This Manual ................................................................................................................................ 15
Related Documents ............................................................................................................................... 15
Documentation Conventions .................................................................................................................. 15
1
Architectural Overview ...................................................................................................... 17
1.1
Product Features ...................................................................................................................... 17
1.2
Target Applications .................................................................................................................... 21
1.3
High-Level Block Diagram ......................................................................................................... 21
1.4
Functional Overview .................................................................................................................. 22
1.4.1
ARM Cortex™-M3 ..................................................................................................................... 23
1.4.2
Motor Control Peripherals .......................................................................................................... 23
1.4.3
Analog Peripherals .................................................................................................................... 24
1.4.4
Serial Communications Peripherals ............................................................................................ 24
1.4.5
System Peripherals ................................................................................................................... 25
1.4.6
Memory Peripherals .................................................................................................................. 26
1.4.7
Additional Features ................................................................................................................... 26
1.4.8
Hardware Details ...................................................................................................................... 27
2
ARM Cortex-M3 Processor Core ...................................................................................... 28
2.1
Block Diagram .......................................................................................................................... 29
2.2
Functional Description ............................................................................................................... 29
2.2.1
Serial Wire and JTAG Debug ..................................................................................................... 29
2.2.2
Embedded Trace Macrocell (ETM) ............................................................................................. 30
2.2.3
Trace Port Interface Unit (TPIU) ................................................................................................. 30
2.2.4
ROM Table ............................................................................................................................... 30
2.2.5
Memory Protection Unit (MPU) ................................................................................................... 30
2.2.6
Nested Vectored Interrupt Controller (NVIC) ................................................................................ 30
3
Memory Map ....................................................................................................................... 34
4
Interrupts ............................................................................................................................ 36
5
JTAG Interface .................................................................................................................... 38
5.1
Block Diagram .......................................................................................................................... 39
5.2
Functional Description ............................................................................................................... 39
5.2.1
JTAG Interface Pins .................................................................................................................. 40
5.2.2
JTAG TAP Controller ................................................................................................................. 41
5.2.3
Shift Registers .......................................................................................................................... 42
5.2.4
Operational Considerations ........................................................................................................ 42
5.3
Initialization and Configuration ................................................................................................... 45
5.4
Register Descriptions ................................................................................................................ 45
5.4.1
Instruction Register (IR) ............................................................................................................. 45
5.4.2
Data Registers .......................................................................................................................... 47
6
System Control ................................................................................................................... 49
6.1
Functional Description ............................................................................................................... 49
6.1.1
Device Identification .................................................................................................................. 49
6.1.2
Reset Control ............................................................................................................................ 49
3
September 02, 2007
Preliminary
LM3S1110 Microcontroller