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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STM32F105RC UART problem

Posted on October 03, 2015 at 04:20 Hi, I'm currently working with STM32F105RC chip and trying to use UART4 (PC10 and PC11), which connects to a USB to UART module to a computer. The problem is, I'm not getting any readings from PC using hyperte...

Possible to Trigger SPI DMA Transfer from Timer?

Posted on August 22, 2015 at 07:04I am using an STM32F407 chip on a custom PCB. Using (mostly) HAL libraries, but I've ended up writing a lot of my code and verifying the registers individually. I am using an ADC that communicates over SPI. The tran...

ravix475 by Associate II
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STMCube and SPL

Posted on January 23, 2015 at 11:26having developed with the SPL in the past, and now tried the STMCube i would like to make a couple of observation. - i understand the rational for the development of the STMcube tool, but it is forcing developers d...

caspar by Associate
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Timer calculator

Posted on October 02, 2015 at 18:13HI!! i need a function to calculate Prescaler and autoreload for my MCU STM32F4ZIT

med by Associate II
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stm32F411 and Vusb

Posted on October 02, 2015 at 13:41Hi, I'm trying to understand a Note from Reference Manual page 665. It state: ''The VBUS pin can be freed by disabling the VBUS sensing option. This is done by setting the NOVBUSSENS bit in the OTG_FS_GCCFG registe...

SPI with DMA can not send data properly ?

Posted on October 02, 2015 at 15:51 Guys, I tried to send data via SPI and DMA but can not get a proper data sent... I can't see CS up and down as well..... code: void Mp3WriteRegister(unsigned char addressbyte, unsigned c...

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how to wait until CDC_Transmit_FS finish

Posted on September 19, 2015 at 14:30I need to call several CDC_Transmit_FS, but between them I need to wait to previous CDC_Transmit_FS finish, otherwise I overwrite output buffer.Is there a flag, a macro or something else that may allows me to det...

correct sequence to park STM32F427 in stop mode

Posted on September 15, 2015 at 05:46 Hi, I am running into issue where the device is locking up from time to time once STM32F427 is parked to stop mode. Here is what I do it to park it to stop mode. Please review the code snippet an...

hiharsh by Associate II
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USB2 audio class v2 - stack availability?

Posted on October 02, 2015 at 12:20Hi, I am currently working with Stm32f4 and starting with F7. there are alot of good examples but there isn't any related to audio class v2.Does anyone know why and if it is because is not possible to implement it...

STM32F411CE footprint suggestions?

Posted on October 02, 2015 at 11:35Dear All,Is there somewhere an Altium footprint layout? Cannot find it on Altium Vault.If not, is there some suggestions around the central pad?Better to divide in four separeted zones for SMD soldering precaution ...

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