• USB audio card with mic
    Hi All, I am now working at build a USB sound card with MIC in STM32F4 Discovery board. Now I already had separate working speaker and microphone usb program. When I combine those two, the USB cannot...
  • Memory Card Drive with SDHC
    Hi, I am having problems with SDHC memory cards. I am using uVision 4 IDE-Version: µVision V4.00a Copyright (c) Keil Elektronik GmbH / Keil Software, Inc. 1995 - 2009 Tool Version Numbers...
  • Memory Card Size issue
    Note: This was originally posted on 11th February 2011 at http://forums.arm.com HI, I am using 4GB MicroSD HC card to for booting. I am flashing the image using the "Win32DiskImager.exe" utility. After...
  • USB+SD card design consideration
    Hello, I am new to the keil USB and SD card, our system requires to use SD card in application, and need to be connected to pc, on pc, user should be able to see the SD card files, I have some questions...
  • Soft bootloader for STM32F769 through USB or SD Card
    Hi I am working on a project using STM32F769BI with QSPI flash N25Q512A13GF840E , and need a bootloader which could work with USB thumbdrive or SD card to flash in flash area in microcontroller...