STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! STM32U5A5: DCache as "memory"?

My question might sound "strange" for HW experts.My STM32U5A5 MCU has DCache (16KByte). Datasheet says: used when external memory is connected (e.g. NAND/NOR flash, OCTOSPI).DCache is not used for internal memory (when running from MCU flash or inter...

Jump to System bootloader: does not stay inside

It has been asked several times, however I can not find a working solution for me.With STM32L486RGT6 I achieved to implement jump to bootloader, entering DFU mode successfully. All fine!Doing it similar for STM32L071CZY6TR and STM32F469VE it does not...

Led by Senior
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  • 11 replies
  • 1 kudos

Resolved! Data is not stored in the FIFO when FSEL is 1

What I want to do is send Write Enable instruction to external Flash and erase.The environment is as follows.Use Board : nucleo l4r5ziIDE : Atollic TrueSTUDIO® for STM32, Built on Eclipse Neon.1a.(Version: 9.3.0)FLASH : W25Q64JVThe connection diagram...

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Myasu.1 by Senior
  • 431 Views
  • 1 replies
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Resolved! MAX17201 read problem.

Hello.We are trying to read measured voltage by MAX17201 chip - register 0x09.But we are receiving incorrect value - 0x936A when battery voltage is 3.0V?!We are using I2C communication protocol.Here is the I2C initialization:static void MX_I2C1_Init(...

STM32U5A5 USB CDC issue

My project use STM32U595 chip. It will use HS USB to send large amount data to computer.I use NUCLEO-U5A5ZJ-Q for testing.The project use Ux_Device_CDC_ACM in NUCLEO-U5A5ZJ-Q of STM32Cube_FW_U5_V1.4.0.I reference this post https://community.st.com/t5...

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Mark5918 by Associate II
  • 931 Views
  • 7 replies
  • 2 kudos

Resolved! STM32H735G BSP_OSPI_NOR_Erase_Chip(0) not work

I have STM32H735G configured and worked with TouchGFX,. I have tihis configuration works:MX_OCTOSPI1_Init ->okayBSP_OSPI_NOR_Init(0, &ospi_nor_int)-> okayBSP_OSPI_NOR_EnableMemoryMappedMode(0)-> okay(post code)static void MX_OCTOSPI1_Init(void){ /* U...

Resolved! stm32h723 can not connect to the targer by SWD

I am not new in using STM32H7 products but in my last project I can not connect the target by ST_Link.I take care about power supply, pins to connect at GND or 3V3 and so on but the Link-Utility return this error:<<08:28:41 : ST-LINK SN : 44003200150...

Sacchy by Associate II
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  • 6 replies
  • 1 kudos
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