STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Resolved! CubeMX Nucleo H743 USB CDC Device not working

Posted on August 28, 2017 at 22:35I generated a new project selecting Nucleo H743 , set the RCC to 8Mhz and made sure that USB is clocked at 48Mhz just like I did on the F767. Unfortunately the device does not show up in the windows device manager.D...

jamann by Associate II
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Bootloader + Flash partitions

Posted on September 09, 2017 at 02:23Hi,I'm using STM32F469 which has quite a lot of flash space (2MB). I'm planning to place a bootloader to handle firmware upgrade and partitions the rest of the flash to store multiple firmware instances. Here are...

Bootloader UART selection

Posted on September 08, 2017 at 06:25Hello , In this picture Bootloader of stm32f446X tries to read 0x7f from the usart without initializing  the usart. how that is possible ? it configures the USART later. am i missing something ?also why 0x7f is c...

0690X00000608ASQAY.png
n.serina by Associate III
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Core Self Test FPU

Posted on September 07, 2017 at 13:04Hello,to achieve a SIL2 by using a STM32F4 MCU a periodical core self-test is required. So the CPU itself and the FPU shall be tested. STM is giving us the manual 'UM1840: STM32F4 series safety manual' (http://ww...