STM32 MCUs Products

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Forum Posts

STM32L0 strange current draw from stop mode

I have encountered a strange power draw behavior of an STM32L0 device in a battery powered circuit. Using a Nordic power profiler kit, the device draws the nominal 5 uA current after entering Stop mode then seems to "wake-up" and draw 78 mA. The curr...

KBrow by Associate
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SDIO Hardware Flow Control

Posted on December 17, 2013 at 05:03Greetings all, I've been playing around with SDIO on an STM32F4 -Discovery card with the Embest Baseboard on it. My goal is to get it to work in polling mode, flow control mode, interrupt mode, and dma mode. This ...

orders-st by Associate II
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STM32L4xx Internal RTC Timestamp

Hey, I try to get timestamp from tamper event when mcu supplied with VBAT, but value oftimestamp still 0, can anyone help me ?

dobs by Associate II
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DFU and DFUSE for STM32L476 Discovery Problem

Posted on October 22, 2016 at 16:36Hello,I am having an issue with DFU downloading to a STM32L476 Discovery board.- Compiled a simple LED switching application in IAR converted to DFU by the file manager (tried both bin and hex)- Tested via ST-LINK ...

STM32H743 errata

Posted on May 24, 2018 at 12:03I have designed a board using the STM32H743II. During integration testing of the software I have found the following issues related to the microcontroller (SCB->CPUID 0x411fc271) :1)SPI1 and ADC1 is not working when us...

Problem with SPI transmission on G071

Hi,I am having problems sending a part of an array with SPI. It is no problem to send 4 Bytes from the beginning of the array, but if I want to send 4 Bytes from another starting position (for example: start from tmp[1]) it does not work. In this cas...

BerndE by Associate II
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  • 5 replies
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