LM3S6422 Datasheet, PDF (4/609 Pages) Texas Instruments – Stellaris® LM3S6422 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 .................................................................................................................. 75
Exception Priorities ....................................................................................................... 76
Interrupt Priority Grouping .............................................................................................. 77
Exception Entry and Return ........................................................................................... 77
Fault Handling .............................................................................................................. 79
Fault Types ................................................................................................................... 80
Fault Escalation and Hard Faults .................................................................................... 80
Fault Status Registers and Fault Address Registers ........................................................ 81
Lockup ......................................................................................................................... 81
Power Management ...................................................................................................... 81
Entering Sleep Modes ................................................................................................... 82
Wake Up from Sleep Mode ............................................................................................ 82
Instruction Set Summary ............................................................................................... 83
Cortex-M3 Peripherals ........................................................................................... 86
Functional Description ................................................................................................... 86
System Timer (SysTick) ................................................................................................. 86
Nested Vectored Interrupt Controller (NVIC) .................................................................... 87
System Control Block (SCB) .......................................................................................... 89
Memory Protection Unit (MPU) ....................................................................................... 89
Register Map ................................................................................................................ 94
System Timer (SysTick) Register Descriptions ................................................................ 96
NVIC Register Descriptions .......................................................................................... 100
System Control Block (SCB) Register Descriptions ........................................................ 113
Memory Protection Unit (MPU) Register Descriptions .................................................... 140
JTAG Interface ...................................................................................................... 150
Block Diagram ............................................................................................................ 151
Signal Description ....................................................................................................... 151
Functional Description ................................................................................................. 152
JTAG Interface Pins ..................................................................................................... 152
JTAG TAP Controller ................................................................................................... 154
Shift Registers ............................................................................................................ 155
Operational Considerations .......................................................................................... 155
Initialization and Configuration ..................................................................................... 158
Register Descriptions .................................................................................................. 158
Instruction Register (IR) ............................................................................................... 158
Data Registers ............................................................................................................ 161
System Control ..................................................................................................... 163
Signal Description ....................................................................................................... 163
Functional Description ................................................................................................. 163
Device Identification .................................................................................................... 164
Reset Control .............................................................................................................. 164
Power Control ............................................................................................................. 168
Clock Control .............................................................................................................. 169
System Control ........................................................................................................... 174
Initialization and Configuration ..................................................................................... 175
Register Map .............................................................................................................. 175
Register Descriptions .................................................................................................. 176
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June 18, 2012
Texas Instruments-Production Data