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  • AMBA
  • Armv8-A
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  • Cortex-M
  • Cortex-M4
  • Keil
  • Keil C166 Tools
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Forums

  • AI forum

    The latest forum discussions for Artificial Intelligence (AI) software technologies with Arm.
    167 questions
    Oliver Beirne
    Join us: Optimizing AI Workloads on Arm: Live Code-Along session 4 November 2026 3 days ago Arm Employee Badge
  • Architectures and Processors forum

    The latest forum discussions for Arm architectures and Cortex-A, R, M, and classic processors.
    3,585 questions
    Anvay P
    CHI.E: Query about RXSACTIVE deassertion in order to move to higher level clock gating or low power mode 3 days ago
  • Arm Development Platforms forum

    This community is to support software development on Arm supplied Development Platforms.
    671 questions
    Ronan Synnott
    RE: Write C++ program with realm world VM 2 months ago Arm Employee Badge
  • Arm Development Studio forum

    Community based support Arm Development Studio - Efficient embedded software development from tiny off-the-shelf microcontrollers to custom multicore processors.
    2,225 questions
    Shizhe Yang
    RE: Debug Arm CCA on FVP models in Arm Studio 2 months ago
  • Arm Virtual Hardware forum

    Please note: This forum is now read-only. Learn more in the first pinned post.
    58 questions
     Annie
    This forum is now read-only. Learn more here. over 1 year ago
  • Ask a question

    Join the conversation. Feel free to ask a question about the Inventors Challenge 2023.
    62 questions and discussions
    Anonymous
    Regarding the basic learning methodolgy of ARM processors for beginners 2 months ago
  • Automotive forum

    The latest forum discussions in Automotive IP with Autonomous and Advanced Driver-Assistance Systems (ADAS).
    20 questions
    Ronan Synnott
    RE: Divide by 0 in R52 8 months ago Arm Employee Badge
  • Community Help forum

    New to Arm Community? Start here to learn how to get the most out of it. Learn how to use the Community, share ideas for enhancements and ask questions about features.
    32 questions and discussions
     Annie
    RE: How to create a blog on community.arm.com? over 1 year ago
  • Compilers and Libraries forum

    The latest forum discussions for the Compiler toolchain and libraries for Keil MDK
    1,021 questions
    Hung Huynh
    Differences in the optimization mechanism between GCC 13.2 and GCC 15.3 result in code failure 7 days ago
  • Embedded and Microcontrollers forum

    This forum is now read-only.
    442 questions
     Annie
    RE: IAR-workbench error over 1 year ago
  • Event forum

    Join the conversation! Ask questions about the event, connect with fellow attendees, and participate in our AMA session!
    10 questions and discussions
    Roberto07
    RE: Workshop Materials over 4 years ago
  • Forum

    Have a question about the webinar series? Ask it here.
    4 questions
    Suriya Gunasekaran
    RE: want to get certificate for play & project over 3 years ago Arm Employee Badge
  • Forum

    2 questions
    Robert Iannello
    Some Thoughts on Innovate UK’s New Funding Announcement over 2 years ago Arm Employee Badge
  • Forum

    26 questions
    Megharsh L
    Regading certification of inventors challenge 2024 over 1 year ago
  • High Performance Computing (HPC) forum

    The latest forum discussions for server and commercial and open-source HPC tools.
    122 questions
    Aymen Q
    RE: ArmPl cblas_sdot results seem wrong with large sizes 2 months ago Arm Employee Badge
  • Internet of Things (IoT) forum

    The latest forum discussions for software developers building connected products based on Arm technology.
    14 questions
    Fleur  Nooijen_1318
    Best practices for managing firmware OTA updates across a fleet of Arm-based edge gateways at scale? 5 months ago
  • Keil forum

    The Keil Forum is an open forum where you may post questions and comments about Keil products.
    32,410 questions
    Milorad Cvjetkovic
    RE: Keil Studio with STM32CubeMX2: Code generator issues 1 day ago Arm Employee Badge
  • Laptops and Desktops forum

    A forum for developers optimizing performance, power efficiency, and user experiences on Arm-powered laptops and desktops.
    2 questions
    Th M
    Arm on NAS 10 months ago
  • Mobile, Graphics, and Gaming forum

    A forum for developers building high-performance mobile apps, cutting-edge graphics, and immersive gaming experiences on Arm.
    1,440 questions
    Peter Harris
    RE: Mali-G57 r21p0: glCompileShader hangs on a zero-iteration loop containing a dynamically indexed array write 4 days ago Arm Employee Badge
  • Morello forum

    Morello is a research program led by Arm which could radically change the way we design and program processors in future, to enable better built-in security.
    129 questions
    Michael Engel
    RE: Is the power supply universal? 6 months ago
>
All questions in this Community
  • Answered

    How to tell if Morello display is broken? 0

    • Morello
    4137 views
    2 replies
    Latest over 3 years ago
    by MLittle
  • Not Answered

    How upsizing and downsizing can perform in AXI4-stream, if TDATA, TKEEP are absent ? 0

    • AMBA Specifications
    • ARM Community
    • AXI4-Stream
    2038 views
    0 replies
    Started over 3 years ago
    by hk_007
  • Answered

    No member named 'printf' in 'TextLCD_I2C_N' +1

    2785 views
    2 replies
    Latest over 3 years ago
    by Wally76
  • Not Answered

    aarch64 - return by value - GNU gcc inline assembler 0

    • AArch64
    • C++
    • GNU Assembler
    • Arm Assembly Language (ASM)
    • C
    8469 views
    4 replies
    Latest over 3 years ago
    by Frederick Virchanza Gotham
  • Answered

    Preloader Reset Command Error 0

    2922 views
    1 reply
    Latest over 3 years ago
    by Ronan Synnott Arm Employee Badge
  • Answered

    R5: Does the exception vector table reside in TCM if at 0x0000 0000 0

    • Armv7 Exception Model
    • Cortex-R5
    4971 views
    3 replies
    Latest over 3 years ago
    by Ronan Synnott Arm Employee Badge
  • Answered

    Arm Compiler for Embedded License Activation in Linux +1

    • Arm Compiler for Linux
    • Keil MDK
    • Arm Compiler 6
    • Linux Developers
    5117 views
    3 replies
    Latest over 3 years ago
    by brian.w15
  • Suggested Answer

    Keil ingnores function when compiling 0

    • Keil MDK
    • Debugging
    • compilation
    3390 views
    7 replies
    Latest over 3 years ago
    by Annie
  • Answered

    slaves having different frequencies in APB protocol 0

    • APB
    • APB Peripherals
    • AMBA 3 APB Interface
    • AMBA 2 APB Interface
    3449 views
    1 reply
    Latest over 3 years ago
    by Colin Campbell Arm Employee Badge
  • Suggested Answer

    Query regarding AMBA AHB Subordinate responses 0

    • AHB
    2818 views
    1 reply
    Latest over 3 years ago
    by Colin Campbell Arm Employee Badge
  • Suggested Answer

    WRAP CALCULATION in AHB LITE 0

    • AMBA
    • AMBA Specifications
    • AHB-Lite
    • AHB5
    • AHB
    8437 views
    3 replies
    Latest over 3 years ago
    by Colin Campbell Arm Employee Badge
  • Answered

    What these system registers(such as S3_3_c15_c7_0) are used for in Cortex-A55? 0

    • Cortex-A55
    • Armv8-A
    3686 views
    2 replies
    Latest over 3 years ago
    by Emmy0
  • Not Answered

    Cortex M0+ CM0PINTEGRATION JTAG Integration and Simulation +1

    • JTAG
    • Cortex-M0+
    1921 views
    0 replies
    Started over 3 years ago
    by Vijayvithal
  • Not Answered

    How to add Pointer Authentication runtime trap error messages to compiler signal handler? 0

    • LLVM
    • Memory Tagging
    1779 views
    0 replies
    Started over 3 years ago
    by fritzrehde
  • Not Answered

    Is the PLD instruction implemented on the Arm Cortex M4, and actually preloading the cache line? 0

    • performance
    • Instruction Sets
    • Armv7-M
    • Cache Management
    • Cache Architecture
    • Cortex-M4
    1041 views
    0 replies
    Started over 3 years ago
    by Toarte Fretter
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