STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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sdio initialization

Posted on May 19, 2012 at 18:45Hello,I am trying to use the SD card which is connected via SDIO interface. I am using STM3221G-EVAL evaluation board.Problem is response of ACMD41 comes with a crc error. I have seen in errata that crc will be detecte...

STM32 Technical Updates

Posted on May 21, 2012 at 10:26Dear STM32 users, This read-only thread is dedicated for our technical developpers community to share last STM32 updates, the first part will be products documentation news such as datasheets, Erratas, Applications no...

Fast I/O handling

Posted on May 15, 2012 at 11:57Hi everyone, I am using STM32F4 Discovery evaluation board and Atollic TrueStudio. My problem is a fast I/O handling i want to generate signal frequency at 84 MHz. I'm getting ~15 MHz if I use while (1) { GPIOD->BSRRH...

oleg23 by Associate
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WFI in run mode causing Hard Fault

Posted on May 18, 2012 at 04:03hi all, I want to save power in run mode of mcu (STM32L151) My timer is running and giving periodic interrupts. My plan is to go to sleep mode when all main loop work is done and then wake up when timer interrupt comes...

alok472 by Associate II
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Out of memory?

Posted on May 13, 2012 at 18:30Good day,I was playing with ST32F103RET6 MCU.I looked in datasheet, my MCU has 64Kb of SRAM, so I could easily create array with 20 kbytes. But I cannot.I use IAR compiler, What can be wrong. I can create only 1800byte...

hitsumen by Associate II
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STM32F4 Discovery

Posted on May 12, 2012 at 08:50hii am starting with STM32F4 Discovery i need to know which development software is the bestkeil or the attolic, thank you

qasim by Associate
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Error in the STM32F0Discovery Firmware package

Posted on May 20, 2012 at 07:45Hi I recently recieved an STM32F0 discovery board and got to  doing some testing on it with the gcc toolchain  found at:https://launchpad.net/gcc-arm-embedded/4.6/2011-q4-major I discovered that the ''startup_stm32f0xx...

which is 5V and which is GND

Posted on May 19, 2012 at 22:10Hi,   Probably a dumb question...but I need to know so...on the discoveryF4 board for the external power connector, is the center of the plug  +ve and the outer gnd? thanks

gordurq by Associate
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