LM3S3749 Datasheet, PDF (4/898 Pages) Texas Instruments – Stellaris® LM3S3749 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
5.2.6
5.3
5.4
5.5
Vector Table .................................................................................................................. 88
Exception Priorities ....................................................................................................... 89
Interrupt Priority Grouping .............................................................................................. 90
Exception Entry and Return ........................................................................................... 90
Fault Handling .............................................................................................................. 92
Fault Types ................................................................................................................... 93
Fault Escalation and Hard Faults .................................................................................... 93
Fault Status Registers and Fault Address Registers ........................................................ 94
Lockup ......................................................................................................................... 94
Power Management ...................................................................................................... 94
Entering Sleep Modes ................................................................................................... 95
Wake Up from Sleep Mode ............................................................................................ 95
Instruction Set Summary ............................................................................................... 96
Cortex-M3 Peripherals ........................................................................................... 99
Functional Description ................................................................................................... 99
System Timer (SysTick) ................................................................................................. 99
Nested Vectored Interrupt Controller (NVIC) .................................................................. 100
System Control Block (SCB) ........................................................................................ 102
Memory Protection Unit (MPU) ..................................................................................... 102
Register Map .............................................................................................................. 107
System Timer (SysTick) Register Descriptions .............................................................. 109
NVIC Register Descriptions .......................................................................................... 113
System Control Block (SCB) Register Descriptions ........................................................ 126
Memory Protection Unit (MPU) Register Descriptions .................................................... 153
JTAG Interface ...................................................................................................... 163
Block Diagram ............................................................................................................ 164
Signal Description ....................................................................................................... 164
Functional Description ................................................................................................. 165
JTAG Interface Pins ..................................................................................................... 165
JTAG TAP Controller ................................................................................................... 166
Shift Registers ............................................................................................................ 167
Operational Considerations .......................................................................................... 167
Initialization and Configuration ..................................................................................... 170
Register Descriptions .................................................................................................. 170
Instruction Register (IR) ............................................................................................... 170
Data Registers ............................................................................................................ 172
System Control ..................................................................................................... 175
Signal Description ....................................................................................................... 175
Functional Description ................................................................................................. 175
Device Identification .................................................................................................... 175
Reset Control .............................................................................................................. 175
Non-Maskable Interrupt ............................................................................................... 179
Power Control ............................................................................................................. 180
Clock Control .............................................................................................................. 180
System Control ........................................................................................................... 186
Initialization and Configuration ..................................................................................... 187
Register Map .............................................................................................................. 187
Register Descriptions .................................................................................................. 189
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November 17, 2011
Texas Instruments-Production Data