Tiva TM4C123GH6PM Microcontroller

DATA SHEET

Copyr ight 2007-2013Texas Instruments Incorporated

DS-TM4C123GH6PM-15553.2700SPMS376C

TEXAS INSTRUMENTS-PRODUCTION DATA

CopyrightCopyright 2007-2013 Texas Instruments Incorporated. Tiva and TivaWare are trademarks of Texas Instruments Incorporated. ARM and Thumb areregistered trademarks and Cortex is a trademark of ARM Limited. All other trademarks are the property of others.

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November 15, 20132Texas Instruments-Production Data

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Table of ContentsRevision History ............................................................................................................................. 38About This Document .................................................................................................................... 41Audience .............................................................................................................................................. 41About This Manual ................................................................................................................................ 41Related Documents ............................................................................................................................... 41Documentation Conventions .................................................................................................................. 42

1 Architectural Overview .......................................................................................... 441.1 Tiva C Series Overview .............................................................................................. 441.2 TM4C123GH6PM Microcontroller Overview .................................................................... 451.3 TM4C123GH6PM Microcontroller Features ..................................................................... 481.3.1 ARM Cortex-M4F Processor Core .................................................................................. 481.3.2 On-Chip Memory ........................................................................................................... 501.3.3 Serial Communications Peripherals ................................................................................ 521.3.4 System Integration ........................................................................................................ 561.3.5 Advanced Motion Control ............................................................................................... 621.3.6 Analog .......................................................................................................................... 641.3.7 JTAG and ARM Serial Wire Debug ................................................................................ 661.3.8 Packaging and Temperature .......................................................................................... 661.4 TM4C123GH6PM Microcontroller Hardware Details ........................................................ 671.5 Kits .............................................................................................................................. 671.6 Support Information ....................................................................................................... 67

2 The Cortex-M4F Processor ................................................................................... 682.1 Block Diagram .............................................................................................................. 692.2 Overview ...................................................................................................................... 702.2.1 System-Level Interface .................................................................................................. 702.2.2 Integrated Configurable Debug ...................................................................................... 702.2.3 Trace Port Interface Unit (TPIU) ..................................................................................... 712.2.4 Cortex-M4F System Component Details ......................................................................... 712.3 Programming Model ...................................................................................................... 722.3.1 Processor Mode and Privilege Levels for Software Execution ........................................... 722.3.2 Stacks .......................................................................................................................... 732.3.3 Register Map ................................................................................................................ 732.3.4 Register Descriptions .................................................................................................... 752.3.5 Exceptions and Interrupts .............................................................................................. 912.3.6 Data Types ................................................................................................................... 912.4 Memory Model .............................................................................................................. 912.4.1 Memory Regions, Types and Attributes ........................................................................... 942.4.2 Memory System Ordering of Memory Accesses .............................................................. 942.4.3 Behavior of Memory Accesses ....................................................................................... 942.4.4 Software Ordering of Memory Accesses ......................................................................... 952.4.5 Bit-Banding ................................................................................................................... 962.4.6 Data Storage ................................................................................................................ 982.4.7 Synchronization Primitives ............................................................................................. 992.5 Exception Model ......................................................................................................... 1002.5.1 Exception States ......................................................................................................... 101

3November 15, 2013Texas Instruments-Production Data

Tiva TM4C123GH6PM Microcontroller

2.5.2 Exception Types .......................................................................................................... 1012.5.3 Exception Handlers ..................................................................................................... 1052.5.4 Vector Table ................................................................................................................ 1052.5.5 Exception Priorities ...................................................................................................... 1062.5.6 Interrupt Priority Grouping ............................................................................................ 1072.5.7 Exception Entry and Return ......................................................................................... 1072.6 Fault Handling ............................................................................................................. 1102.6.1 Fault Types ................................................................................................................. 1112.6.2 Fault Escalation and Hard Faults .................................................................................. 1112.6.3 Fault Status Registers and Fault Address Registers ...................................................... 1122.6.4 Lockup ....................................................................................................................... 1122.7 Power Management .................................................................................................... 1132.7.1 Entering Sleep Modes ................................................................................................. 1132.7.2 Wake Up from Sleep Mode .......................................................................................... 1132.8 Instruction Set Summary .............................................................................................. 114

3 Cortex-M4 Peripherals ......................................................................................... 1213.1 Functional Description ................................................................................................. 1213.1.1 System Timer (SysTick) ............................................................................................... 1223.1.2 Nested Vectored Interrupt Controller (NVIC) .................................................................. 1233.1.3 System Control Block (SCB) ........................................................................................ 1243.1.4 Memory Protection Unit (MPU) .