• app crashes when compiled with OTime O3 using RVDS 4.0

    pradipig pradipig
    pradipig pradipig
    Note: This was originally posted on 1st December 2008 at http://forums.arm.com

    Hi,
    I am using RVDS 4.0 trial version. When I compile my app using OTime O3 compiler flag, the application crashes. But if I specify O2 then it is working properly.

    My compiler…
    • over 6 years ago
    • System
    • SoC Design forum
  • AHB split retry response

    abc_xyz pqr_def
    abc_xyz pqr_def
    Note: This was originally posted on 9th December 2008 at http://forums.arm.com

    IN AMBA AHB , there are split and retry response. These are 2 cycle responses.
    whole SPLIT sequence is given in the spec. but my doubt is in which scenario slave
    has to to issue…
    • over 6 years ago
    • System
    • SoC Design forum
  • AHB frequency

    vignesharm vignesharm
    vignesharm vignesharm
    Note: This was originally posted on 6th January 2009 at http://forums.arm.com

    Hi Friends,

       My doubt is : what is the maximum AHB clock frequency ?

    Regards,
    P.Vignesh Prabhu
    • over 6 years ago
    • System
    • SoC Design forum
  • Bus Matrix

    Felix Varghese
    Felix Varghese
    Note: This was originally posted on 28th January 2009 at http://forums.arm.com

    What exactly is a bus matrix? I came across the term in ARM cortex M3 specs but couldnt find any proper description. Can someone help?
    • over 6 years ago
    • System
    • SoC Design forum
  • PL031 verilog generation

    nicolan nicolan
    nicolan nicolan
    Note: This was originally posted on 19th February 2009 at http://forums.arm.com

    Pls, I need an answer to a blocking issue  :rolleyes:

    I tried to generate a verilog code for PL031 connection matrix 2x3.
    Unfortunely generated HSEL signal for each slave doesn't…
    • over 6 years ago
    • System
    • SoC Design forum
  • the usage of WSTRB signal

    Dong Luo
    Dong Luo
    Note: This was originally posted on 26th February 2009 at http://forums.arm.com

    Hi All,
    I was going through the AMBA AXI specs, but I have some questions about the usage of the WSTRB signal. In the middle of a burst, can some bits of WSTRB be low? Again…
    • over 6 years ago
    • System
    • SoC Design forum
  • ARM Cortex ICode, DCode, System buses

    Felix Varghese
    Felix Varghese
    Note: This was originally posted on 26th February 2009 at http://forums.arm.com

    I'm a bit confused about the bus structure and memory model of ARM Cortex M3. First of all, does Cortex M3 actually have 3 physically separate buses coming out of it?
    …
    • over 6 years ago
    • System
    • SoC Design forum
  • Write Data Interleaving - AXI

    Amaresh Chaligeri
    Amaresh Chaligeri
    Note: This was originally posted on 19th March 2009 at http://forums.arm.com

    Hello,

    Can anybody help me to understand the reasoning behind write data interleaving ordering restriction imposed by AXI spec.
    [Chapter 8.5  Write data interleaving]

    "The order…
    • over 6 years ago
    • System
    • SoC Design forum
  • In AMBA AHB, is hgrnat must be low after 1st clock cycle of an ERROR response?

    Koteswara Rao P
    Koteswara Rao P

    Hi,

    In AMBA AHB:-

         For two clock cycle SPLIT or RETRY response, hgrant must be low after 1st clock cycle of SPLIT or RETRY response.

       q)  For two clock cycle ERROR response, is it mandatory of hgrant must be low after 1st clock…

    • Answered
    • over 4 years ago
    • System
    • SoC Design forum
  • AHB HREADY low not after address phase

    Moish
    Moish

    What would happen if HREADY will be lower not after address phase, but according to HW internal logic that wants to hold CPU for some clock cycles.

    Thanks

    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • In AHB 2.0 Standard, Can I insert BUSY cycles in INCR16 burst or WRAP16 burst?

    WONG CHENG YEE
    WONG CHENG YEE

    I am a Digital Verification Design Engineer.

    Currently, I am in the process of developing an UVM Test Bench for AHB 2.0.


    I have following questions.

    1) From AHB Master side, Can BUSY cycles be inserted in middle of INCR16 burst?

    2) From AHB Master side,…

    • over 3 years ago
    • System
    • SoC Design forum
  • AMBA ATP: Gaining momentum with workload modeling

    Francisco Socal
    Francisco Socal

    Workload modeling utilities are a critical component of a System-on-Chip (SoC) performance analysis solution. They are as important as accurate IP models, deep debug and trace instrumentation and visualization of performance analytics.

    We recently announced…

    • 10 months ago
    • System
    • SoC Design blog
  • STM(System Trace Macrocell)

    dudu8
    dudu8

    Can i observe the 1KB data that it is written over the STM AXI interface from STM ATB BUS ?

    what i mean is that i want to send a 1KB data from STM AXI and observe it from the STM ATB with MIPI STPv2 format.

    • over 3 years ago
    • System
    • SoC Design forum
  • How is the PREADY signal triggered low by the Slave in an APB?

    abhisrisai
    abhisrisai

    Hi, 

    I was trying to understand the state machine of an APB. I was curious on how the PREADY signal is triggered low so that it can exit from  the ACCESS state? 

    If anyone could help me with this basic question, it'll be of great help thank you. :)…

    • Answered
    • over 1 year ago
    • System
    • SoC Design forum
  • AMBA

    vish9746
    vish9746

    How is it possible for AMBA bus protocol to communicate between ASB bus and APB bus,if they operate in different frequency's? ASB is high performance high frequency bus and APB is low performance low frequency bus..how that communication is happening…

    • Answered
    • over 1 year ago
    • System
    • SoC Design forum
  • Assertion for Multiple Transfer on APB Bus

    Rakesh Venkatesan
    Rakesh Venkatesan

    Hi,

       Can you please help me in writing assertions to take care on multiple transfer in APB bus?

    Thanks,

    Rakesh

    • over 1 year ago
    • System
    • SoC Design forum
  • AMBA Adaptive Traffic Profiles

    Matteo Maria Andreozzi
    Matteo Maria Andreozzi

    The performance requirements of computing systems have been growing rapidly, year on year. Demand is further increased by the many new performance-demanding applications that are emerging across multiple market segments, such as machine learning (ML)…

    • over 1 year ago
    • System
    • SoC Design blog
  • Fast Models: Best way to model ROMPatch like feature

    HonSiong
    HonSiong

    Hi,

    I am looking for a good way to model a ROMPatch-like function on pvbus. This implementation should monitor the bus for return the data from its own registers if the address matches (instead of returning from the end slave device, say a RAMDevice)…

    • Answered
    • over 1 year ago
    • Software Tools
    • Arm Development Studio forum
  • Project on AXI Bus.

    Naina
    Naina

    Hi,

    I am working on AXI bus for my college project. For my work I have to add something new in existing architecture. Can someone provide me idea for my work? 

    • over 2 years ago
    • System
    • SoC Design forum
  • does ARM v8 bus architecture & related IPs be compatible with v7 core?

    chengliang
    chengliang

    I would like to get some confirmation that if we replace A53/A72 with A7/A9 while the SoC architecture is still based on ARM v8 bus & IPs (e.g. CCI400, NIC400, TZC400, GIC500, BP141), does such design feasible and workable?

    • over 3 years ago
    • System
    • SoC Design forum
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