STM32 MCUs Products

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Forum Posts

STM32L4xx-Flash: erased flag?

Posted on July 05, 2016 at 10:41Hi everybody! I have a question regarding to the flash of STM32L4xx. If i erase one flash page of the device and in the next step read out that flash page i receive always 0xFFs. Then i wtite i. e. 0xFFFFFFFFFFFFFFFF ...

I2C slave interrupt issues

Posted on September 02, 2015 at 15:32  The original post was too long to process during our migration. Please click on the attachment to read the original post.

Going to STOP while waiting for UART TX DMA to complete

Posted on July 04, 2016 at 04:06Dear forum, I am trying to transfer a block of bytes from RAM to UART2 using DMA on STM32F042.  I found the HAL function HAL_UART_Transmit_DMA, so I want to go to stop right after that, like this:    int_disable();   ...

hmc by Associate III
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STM32F746G-DISCO QSPI External Connect

Posted on July 04, 2016 at 15:51I want to connect the interface QSPI external chip, but I can not find a way to override some of the tire contacts the outer connector.Override contacts worked for legs IO0, IO1, IO2, IO3 but I can not override to NSS...

Reset read protection in STM32F205

Posted on November 01, 2012 at 22:15I turned on a test board this morning and could not program or read the flash area (0x0000 0000 to 0x1FFF FFFF).  Looking at the option bytes in FLASH_OPTCR register I see the RDp field set to FF, level 1 protecti...