STM32 MCUs Products

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STM32H742AG Flash Erase Bank 2 issues

Hello,I am trying to erase flash bank 2 and then re-write with an incoming application. This appears to work that when I read back some of this sector it's changed to 0xFFFFFFFF, however when I restart or connect with STLINK it reads out as 0x0000000...

kip18 by Associate III
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Confused by Run* state of STMH7

According to RM0433 Rev 8:The Run* mode is entered after a POR reset and a wakeup from Standby. In Run* mode, the performance is limited and the system supply configuration shall be programmed in PWR control register 3 (PWR_CR3). The system enters Ru...

Resolved! STM32H7 DMA

HelloCan the STM32H743 modify data at two non-consecutive peripheral addresses in a single DMA event,A DMA event changes two peripheral addresses,

zhaowhong by Associate III
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STM32U5 DCMI DMA is not working as expected.

Hello,    We have developed an image capturing application successfully based on STM32H7xxxx and OV7725 camera. We are now targeting to port the application to target STM32U5xxxx with the same camera. But it looks the DMA doesn't works as expected. T...

DCMI GPIO.jpg DCMI NVIC.jpg DCMI parameters.jpg GPDMA1 channels.jpg

Bank switch does not always work

Hello everyone!I'm facing a problem when trying to switch a bank on STM32H745 MCU. The issue happens only when the debugger is disconnected. Our implementation uses the HAL library to perform Bank switch like this:HAL_FLASH_Unlock(); HAL_FLAS...