LM3S1937 Datasheet, PDF (4/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

Table of Contents
2.5.4
2.5.5
2.5.6
2.5.7
2.6
2.6.1
2.6.2
2.6.3
2.6.4
2.7
2.7.1
2.7.2
2.8
3
3.1
3.1.1
3.1.2
3.1.3
3.1.4
3.2
3.3
3.4
3.5
3.6
4
4.1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.4
4.5
4.5.1
4.5.2
5
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.3
5.4
5.5
Vector Table .................................................................................................................. 80
Exception Priorities ....................................................................................................... 81
Interrupt Priority Grouping .............................................................................................. 82
Exception Entry and Return ........................................................................................... 82
Fault Handling .............................................................................................................. 84
Fault Types ................................................................................................................... 85
Fault Escalation and Hard Faults .................................................................................... 85
Fault Status Registers and Fault Address Registers ........................................................ 86
Lockup ......................................................................................................................... 86
Power Management ...................................................................................................... 86
Entering Sleep Modes ................................................................................................... 87
Wake Up from Sleep Mode ............................................................................................ 87
Instruction Set Summary ............................................................................................... 88
Cortex-M3 Peripherals ........................................................................................... 91
Functional Description ................................................................................................... 91
System Timer (SysTick) ................................................................................................. 91
Nested Vectored Interrupt Controller (NVIC) .................................................................... 92
System Control Block (SCB) .......................................................................................... 94
Memory Protection Unit (MPU) ....................................................................................... 94
Register Map ................................................................................................................ 99
System Timer (SysTick) Register Descriptions .............................................................. 101
NVIC Register Descriptions .......................................................................................... 105
System Control Block (SCB) Register Descriptions ........................................................ 118
Memory Protection Unit (MPU) Register Descriptions .................................................... 145
JTAG Interface ...................................................................................................... 155
Block Diagram ............................................................................................................ 156
Signal Description ....................................................................................................... 156
Functional Description ................................................................................................. 157
JTAG Interface Pins ..................................................................................................... 157
JTAG TAP Controller ................................................................................................... 159
Shift Registers ............................................................................................................ 160
Operational Considerations .......................................................................................... 160
Initialization and Configuration ..................................................................................... 163
Register Descriptions .................................................................................................. 163
Instruction Register (IR) ............................................................................................... 163
Data Registers ............................................................................................................ 166
System Control ..................................................................................................... 168
Signal Description ....................................................................................................... 168
Functional Description ................................................................................................. 168
Device Identification .................................................................................................... 169
Reset Control .............................................................................................................. 169
Power Control ............................................................................................................. 173
Clock Control .............................................................................................................. 174
System Control ........................................................................................................... 179
Initialization and Configuration ..................................................................................... 180
Register Map .............................................................................................................. 180
Register Descriptions .................................................................................................. 182
4
June 18, 2012
Texas Instruments-Production Data