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! STM32H723 Internal Temperature Measurement vs. Ambient

All:Setup - STM32H723 with VREFP = 3.00 VI have connected internal temperature to ADC3, and I am able to display degrees C on "Live Expressions". With VREFP set to 3.00 V, I am seeing lower readings than ambient. Using __HAL_ADC_CALC_TEMPERATURE( ), ...

ToddA by Associate II
  • 356 Views
  • 6 replies
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stm32L5 write flash problem

Hi. I am testing flash read and write operations.In the main function, when I write 1 to address 0x08006000, I can correctly read back 1. However, when using FreeRTOS and performing the same operation within a task, I read back  garbled values (such ...

Resolved! STM32L562 hard fault in SPI_WaitFifoStateUntilTimeout

I am using MX25 NOR flash memory 256Mbit (https://www.mxic.com.tw/en-us/products/NOR-Flash/Serial-NOR-Flash/Pages/spec.aspx?p=MX25L25645G&m=Serial%20NOR%20Flash&n=PM2075#Technical-Documents) and I am mounting a littleFS file system on it. The memory ...

Lyap94 by Associate III
  • 352 Views
  • 7 replies
  • 4 kudos

Resolved! STM32G0B and USB Custom HID

Hello guys!I'm using USB custom HID on STM32G0B for an application alike the mouse demo on "STM32G0C1E-EV" HAL package. But instead a button sending the Report, a PC software sends a 64 bytes Report to get another 64 bytes as answer.In fact, this sam...

Pedro3 by Senior
  • 385 Views
  • 2 replies
  • 0 kudos

Resolved! TIM1 in Encoder Mode but TIM1->CNT does not change

Hi, I'm interested in using Timer 1 on my STM32F439ZI to decode the quadrature signal from an encoder but TIM1->CNT doesn't appear to change. I'm not sure what is missing, the TIM1 config looks like: static void MX_TIM1_Init(void) { /* USER CODE BE...

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debug by Associate III
  • 338 Views
  • 1 replies
  • 1 kudos

Resolved! Incorrect CRC value from software and harware SPI CRC

Hi, In my application, I'm using SPI (SPI1, a full feature set instance) with CRC enabled, on STM32H563ZI, with the configuration as:I have a CRC implemented based on CCIT standard, which I call 'software CRC'I see different CRC values for the same b...

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WCarey by Associate III
  • 418 Views
  • 7 replies
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Timer runtime config issue

Hi guys,I have a simple timer config, which I want to change based on some conditions. I set GPIO high and when OPM timer INT happens, GPIO is set low. Default timer setup 50ms, which is changed to 500ms  in the while() loop.Problem: the first pulse ...

Lex by Associate III
  • 359 Views
  • 7 replies
  • 0 kudos

Resolved! flash write versus erase cycles

Hi,when I write 8byte block sequentially 256 times in 2kB page and then erase and start over what is the total number of writes I can do?Datasheet describes 10000 write/erase cycles, but I do not erase after every write.If the damage is cause by eras...

PR.10 by Associate III
  • 233 Views
  • 3 replies
  • 2 kudos

Resolved! Suddenly stopped working

I've connected an STM32F103RBT6 Nucleo-64 to my computer and it worked fine for sometime, and then suddenly it lost connection. What is weird is that with the same cable, another identical board can connect without any issues. Does anyone have soluti...

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Kenno by Associate II
  • 250 Views
  • 4 replies
  • 0 kudos
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