STM32 MCUs Products

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send AT commands via stm32l011

hello everyone, I have a problem, I have a custom PCB with an STM32L011, I have a sim800l module connected, I send the AT commands via LPUART1 and I want the response on UART2, but as an answer I got AAAAAAAAAAA and after a while Call Ready,Call Read...

Leads for how/where to sell a few spare STM32H7s

If this is not the forum for this kind of question, please let know where to post.I have a few STM32H7 MCUs which I bought once when they suddenly, momentarily became available during the ... Great Chip Shortage.78 units of 100-pin STM32H7VIT6 13 uni...

APagl by Associate III
  • 1088 Views
  • 7 replies
  • 6 kudos

Resolved! STM32H7B0 ULPI Timing in 1.8V and PHY Selection

I am currently working on using the USB3320 ULPI PHY with the STM32H7B0VBT6. After reading the STM32 reference manual, I noticed that it mentions special attention should be paid to the hold time when operating at 1.8V.Additionally, I came across a f...

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Cirno by Associate
  • 687 Views
  • 2 replies
  • 2 kudos

Resolved! Stm32f105 don't enter dfu mode

Posted on November 05, 2012 at 11:29Hello, I designed a board which contains stm32f105 microcontroller, and i want to use DFU as bootloader in order to download my program to the micro controller through usb port. I put BOOT0 =1, and BOOT1=0 PA10=PD...

hisham23 by Associate III
  • 830 Views
  • 2 replies
  • 1 kudos

Resolved! Cortex M7 Operating Modes

Hii, In ARM cortex M7 Architecture, Two modes are there one is Thread Mode and Handler Mode. Here, What is my query is How to switch Thread mode to Handler Mode? What Instruction we have to write example, msr xpsr in Assembly? Regards,