STM32 MCUs Products

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Forum Posts

IAP programming errors

Posted on April 01, 2014 at 15:06 Dear List, I am working on IAP on the STM32F4Discovery board and flashing only occasionally works. I started from the example describing IAP using an USART. But I use USB to download the data...

Sietse by Associate III
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No VBAT pin on STM32L152 ?

Posted on April 14, 2014 at 18:48Hi All,Can anyone please advise why there is no VBAT pin on STM32L152 MCU?I read that RTC runs as long as the MCU is powered...but when its not, then what ?How to implement RTC backup supply on this MCU?Thanks!regard...

Tom by Associate II
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STiH207 ?

Posted on April 21, 2014 at 09:15Guys, STiH207I'm just wondering, where can I find the discussion for this chip ? thanks https://my.st.com/st-extranet-web-active/active/en/catalog/mmc/FM131/SC999/SS1629/PF252588Guys, STiH207Advanced dual HD AVC proc...

SDHC and SDXC ?

Posted on April 20, 2014 at 05:22Guys, I tried to read SDHC 8Gb with SDIO and it works fine, but when I change into 64Gb SDXC, it doesn't work ? Do you have any ideas what the cause is ? When I tried with SPI and Atmega controller and SPI , they're ...

Microcontroller load

Posted on April 21, 2014 at 11:17How do I calculate/decide the clock frequency of a microcontroller and load it can take?for example, if a controller is capable of 32MHz clock frequency, with 4UARTs, USB host, 2 I2C & SPI, 20 GPIOs, an LCD controlle...

STM32F4

Posted on April 20, 2014 at 16:45Hi,It is possible to receive data via CAN and send them via HDMI using STM32F4 ?  If yes , How can I do ? Thanks.Regards ,

amal18 by Associate II
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STM32F105 PA9/OTG_FS_VBUS Issues

Posted on August 11, 2011 at 21:21ISSUE 1: PA9/OTG_FS_VBUS +5V ToleranceWhen the STM32F105 is configured as a USB device, the PA9/OTG_FS_VBUS is used to detect the presense of a USB host. ST Micro evaluation designs show the PA9/OTG_FS_VBUS pin conn...

STM32L1xx Internal Flash Programming Problem

Posted on April 19, 2014 at 10:28Hi all,I am working with stm32l100r8 target mcu for internal flash programming(data eeprom).When i program flash sector , i missed usart interrupt(115200 bd).In infinite loop i am writing data to some definite flash ...

STM32F207 I2C test failing

Posted on February 03, 2014 at 11:27 I am learning embedded development on the STM3220G-EVAL board with the STM32F207 microcontroller. I have tried to test the I2C interface by interfacing the two I2C2 and I2C3 modules on the same chip and sendi...

hl2 by Associate II
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