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...


Resolved! the HAL has BUG of CAN drive on STM32F1?

Posted on June 14, 2018 at 19:23Stm32F103 HAL_CAN_Transmit(&hcan,10) not working, always return HAL_TIMEOUT and HAL_ERROR, but when i use STD_Lib everything is good. So i think if the HAL has BUG of CAN on STM32F1?Hello,I'm trying to set up CAN on m...

Wei RP by Associate II
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SPI_DMA Slave Receive only after reset

Posted on June 15, 2018 at 07:53Hi stI try to recieve spi dma slave by stm32f746 as slave i send two bytes for test from master raspberry when reset mcu it receive ok  when i repeat request it receive nothing and rx buffer not changedi tried checkin...

egywell by Associate II
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n-Pulse generation : REP_CNT register

Posted on September 13, 2017 at 23:53I am using method to drive a servo-like motor interface. In the system, if E-Stop is pressed, I'lI have stop the motor immediately. Is there a way to find out the numbe...

Neo M by Associate II
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STMStudio Issue - no more data stream

Posted on June 14, 2018 at 22:58Hello!I used STMStudio on the NUCLEO-F303RE for plotting signals and it worked fine. Now I built my own PCB with an STM32F303RC, broke off the debug-part of the NUCLEO board and startet debugging with the SWD connecto...

X-Nucleo-IDB05A jumper issue

Posted on June 15, 2018 at 13:28Hi !We are working with X-nucleo-IDB05A1, we had some disconnection issue without reason. and we figure out that there is HCI_DISCONNECTION_EVT generated each time. The reason is connection timout ,which can be genera...

Can't make I2C START condition on stm32l100

Posted on June 15, 2018 at 13:26I'm using stm32l100C6-A to communicate with gas gauge by I2C. My code tries to start I2C transfer, like this:I2C_GenerateSTART( i2c_periph, ENABLE );and sometimes it works, transfer is completed, all is well. But some...

amomum by Associate III
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Resolved! New chips with U suffix.

Posted on August 10, 2016 at 09:39I am used to chips being marked for example ''STM32F405VGT6''. However, from several people I hear that now chips marked with an additional ''U'' at the end are showing up. Date code 1613 or something like that. One...

Resolved! CAN FIFO0 and FIFO1 stm32f429

Posted on June 14, 2018 at 08:37Hello,Could you describe difference in use FIFO0 and FIFO1 for CAN1 and CAN2 in stm32f4 mcu? For example if I configure CAN2 for receive in FIFO0 and configurate filters 14 all work success, but if I try use FIFO1 wit...

kruft by Associate III
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Wrong flash latency from CubeMX with STM32F302CC?

Posted on May 19, 2018 at 19:51My program crashes with the following error in TrueStudio:''Program received signal SIGTRAP, Trace/breakpoint trap.0xfffffffe in ?? ()''The fault occurs in line 692 of stm32f3xx_hal_rcc.c:__HAL_RCC_SYSCLK_CONFIG(RCC_Cl...