• M0N0: A tale of three devices

    Benoit Labbe
    Benoit Labbe

    Analog design engineers do not frequently come across JFET (Junction Field Effect Transistor) or triode vacuum tubes nowadays. But, when designing an integrated circuit in a standard CMOS process, they may use native MOSFET (Metal Oxide Semiconductor…

    • 27 days ago
    • Arm Research
    • Research Articles
  • M0N0: The devil is in the details

    Benoit Labbe
    Benoit Labbe

    Smaller, cheaper, more efficient. These are the three big considerations when designing a power converter, and usually one design prioritizes just one theme, while keeping the other two within acceptable limits. Designing a power converter for M0N0, Arm…

    • 29 days ago
    • Arm Research
    • Research Articles
  • Uploading file to LPC2388

    Dan Zarate
    Dan Zarate

    Hello everyone,

    I am looking to upload a CSV file onto my LPC2388 board. I am currently using MDK-Lite (v5.22) with ARM compiler v5.06 (update 4, build 422). Basically, this CSV file would contain a lookup table (211x11, all unsigned char's) and my program…

    • 2 months ago
    • Software Tools
    • Keil forum
  • Note for us

    INeedToLearn
    INeedToLearn

    Hello embedded's Bigboys

    i need for you to confime me if that true 

    if i wrong with any sentence correct to me to spread the knowledge 

    every error  in assembler

    has code 

    like A45 : undefined symbol (pass~2)

    i have two question

    1. first one :tell us about…
    • Answered
    • 5 months ago
    • Software Tools
    • Keil forum
  • Outcomes And Impacts, Not Just Activity And Outputs

    Khaled Benkrid
    Khaled Benkrid

    In a previous blog, I wrote about the reproducibility crisis in research, how it is impacting the quality of research and public trust in it, and how the community of knowledge can address this crisis. In this blog, I will focus on measures of performance…

    • 6 months ago
    • Education Hub
    • Khaled Benkrid
  • Writing a Byte over I2C for Slaves without Register Addresses

    masshakar
    masshakar

    I have this function defined for writing a byte to either the LCD 1602 (using the PCF8574 I/O expander), or the SHT21 humidity sensor.  In both cases, it seems like after I write the slave address, I should start transmitting data.  The only issue is, is…

    • 7 months ago
    • Software Tools
    • Keil forum
  • SAM D09 SPI Hardware Slave Select

    MDK
    MDK

    I am using a SAM D09 uc and want to implement SPI with hardware SS.  I cannot see from the documentation how SS is driven high again.  It states that after every frame the SS is returned to high.  Does this mean every 8-bits.  I need to send around 64 bits…

    • 9 months ago
    • Processors
    • Cortex-M / M-Profile forum
  • A Low-power Timer Enabling Timed Shutdown of Arm-based Microcontrollers for IoT Applications

    Philex Fan
    Philex Fan

    The small form factor of IoT sensor nodes places severe energy constraints on computing platforms. To save energy, duty-cycling helps reduce the power of the sensor node, but this needs an ultra-low-power timer for reliable timed shutdown and wake up. Crystal…

    • 11 months ago
    • Arm Research
    • Research Articles
  • STR912FWA47 USB-HID support

    Alan.Blumenstein
    Alan.Blumenstein

    Hi everyone,

    I am trying to use USB-HID with this microcontroller, I saw that there are two libraries for USB-HID, hid.h and hiduser.h, I found these two libraries for several platforms, but I did not find it for this microcontroller.

    Regards

    Alan 

    • over 1 year ago
    • Software Tools
    • Keil forum
  • migration from ARM to AVR

    Norman MediQ
    Norman MediQ

    I would like to know if there is any tool for migrating from ARM mcu's to Atmel? can any one help me on this topic?

    • Answered
    • over 4 years ago
    • Processors
    • Cortex-M / M-Profile forum
  • Starting with ARM from AVR

    SG
    SG

    Hello.

    I've been experimenting with AVR alot for 2 years. But I also got a bit of taste ARM, but not alot.

    What board should I start for developing? I want a cheap and a small one. Also I don't want one that needs a programmer like avr's do. …

    • over 4 years ago
    • Processors
    • Cortex-M / M-Profile forum
  • Why the CMSIS DSP Matrix Multiplication outputs 0 after few iterations?

    Shreyas007
    Shreyas007

    Hi.

    I am using the CMSIS DSP library for multiplying two matrices on the keil mcb 1800 board using MCU Xpresso IDE. I am using the external SDRAM of 16 MB for storing the result.

    Matrix "xmat" is 1604*8 and omega_transpose is of size 8*100.....Thus the…

    • over 1 year ago
    • Software Tools
    • Keil forum
  • how to use the 16MB SDRAM on keil MCB 1800?

    Shreyas007
    Shreyas007

    I wanted to use the 16MB SDRAM on the keil mcb 1800 board.

    I didn´t find any examples on how to do it?

    Do I have to make any physical connections to use it? 

    It would be great if someone can provide the steps for it.

    Thanks

    • over 1 year ago
    • Software Tools
    • Keil forum
  • Cannot proccess one or more requested actions.

    FrajoMethippara
    FrajoMethippara

    Hi,

       When I try to install packs of STM32F407VG, it shows 'Cannot proccess one or more requested actions'.I follow tutorial from udemy.Somebody please help me.I am a begginer.

    Thankyou

    • over 1 year ago
    • Software Tools
    • Keil forum
  • How to defined board.txt to STM32YYXX Series?

    @chu!!
    @chu!!

    hi,i am using windows 10.now am trying to sense and  store the values of temperatures in sd card using arduino 1.6.6 ,it shows STM32YYXX chip series is not defined in board.txt.how to solve this problem?is it due to windows 10 is not compatible with this…

    • over 1 year ago
    • System
    • Embedded forum
  • Choice of Microcontroller for a Wearable

    Sint
    Sint

    Trying to develop light weight, small size, wearable for fall detection of elderly, hoping to use IMU and BLE, what is most cutting edge microcontroller for this?

    • over 1 year ago
    • System
    • Embedded forum
  • ARM microcontrollers in sd cards?

    Mike Clark
    Mike Clark

    Which ARM Microcontrollers are embedded in current SD Cards? The Motorola 8051 tends to get mentioned in this connection, with occasional, vague references to ARM. So, which specific ARM technologies are used for this purpose, and what kind of embedded…

    • Answered
    • over 6 years ago
    • System
    • Embedded forum
  • Which arm microcontroller to choose?

    shubaangi
    shubaangi

    Hello everyone!

    I wanted to learn about the ARM microcontrollers....about the architecture and coding. Which microcontroller should I buy? I read somewhere that I should buy the STM32 discovery board. Please help!

    • Answered
    • over 4 years ago
    • System
    • Embedded forum
  • ARM with uclinux kernel

    BALAJI YOKI
    BALAJI YOKI

    hello everyone,

    Actually i am a beginner in the field of ARM.. and i am trying port a uclinux kernel on any of the ARM controller but the development boards available with me lpc2378,2148,2400 series none of them are having enough flash or ram in it..…

    • over 6 years ago
    • System
    • Embedded forum
  • What ARM MCU manufacturer has the best documentation?

    Stefan
    Stefan

    I'm designing an ARM MCU board for a cube satellite. This is the first MCU board I've made and good documentation would be very helpful. What ARM manufacturer or ARM series has the best documentation for beginners?

    • over 6 years ago
    • System
    • Embedded forum
  • Memory management issue with Keil uVision4 and Arm cortex-M4 uC

    Midou
    Midou

    Hello, 

    so I was working on Tiva C launch pad and coding using this environment, I noticed that this compiler has major difference from others so I will list some of the problems I faced as questions hoping someone would answer : 

    1- In case I need to use…

    • over 2 years ago
    • Software Tools
    • Keil forum
  • Programming ARM Controllers?

    try embedded
    try embedded
    Note: This was originally posted on 14th March 2013 at http://forums.arm.com

    As an hobbyist from my engineering i learned about working on 8051, PIC, and AVR microcontrollers. I did programming on these, created programmer boards for these too. I did many…
    • over 7 years ago
    • Open Source Software and Platforms
    • Android forum
  • Cortex-m0 interrupt_demo simulation issue

    Junyan
    Junyan

    Hi,

         I am using Cortex-M0 DesignStart Pro. When I simulation intrrupt_demo test case, I found that IRQ[31:0]  always 0, Is this correct?

         I saw the document , the interrupt_demo is Demonstration of interrupt features, but if no interrupt signal input…

    • Answered
    • over 2 years ago
    • DesignStart
    • DesignStart forum
  • Arm Development Studio or MDK? Which should you choose?

    Ronan Synnott
    Ronan Synnott

    The recently launched Arm Development Studio provides a complete software development solution for all Arm devices. It includes as part of the package a license for Keil MDK, the preferred toolchain for users of Arm Cortex-M based microcontrollers. MDK…

    • over 1 year ago
    • Software Tools
    • Tools, Software and IDEs blog
  • Creative Technology: A Seven Step Process for Inspiration, Execution, and Reflection

    Louise Paul
    Louise Paul

    This article is part of the  Arm Innovator  Program, a series created to highlight the work of key technical leaders who are pushing the boundaries of how Arm architecture can enable next-generation solutions.

    Meet Chelsea Klukas, Co-Founder of MakeFa…

    • over 2 years ago
    • Innovation
    • Innovation blog
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