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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FOC 4.3 Dual Motor Control: incorrect RPMs

Posted on June 02, 2017 at 19:55Using STM32F415 for dual motor control with FOC 4.3:  ST Forum users:  FOC library is running the dual BLDC motors higher than the RPM setpoint.  I'm using setpoint values that are divisible by 6 to get the even tenth...

Resolved! SysTick calibration values

Posted on June 13, 2016 at 17:40Part of ARM's specification of the core (as given by ARM® v7-M Architecture Reference Manual, or ARMv7M ARM for short :) ) is the SysTick counter, and part of that counter is a read-only register, containing a calibr...

STM32F405 ''Held in Reset State'' Problem

Posted on June 02, 2017 at 10:44Hi everyone,I cannot connect the STM32F405RG MCU with ST-Link Utility and IAR Embedded Workbench.I need your help, How can i connect MCU again ?I tried  Connection Settings -->   SWDMode -->             Connect Under ...

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STM32F103 use PB4 and PB5 as USART TX-RX?

Posted on June 01, 2017 at 18:53Hello to the community,Due to an error on a board routing I have ended with a bunch of boards with the RX and TX pins of USART1 incorrectly routed to PB4 and PB5 pins of STM32F103.I wonder if there is any human way of...

Can 5 V tolerant pin be turned off?

Posted on May 30, 2017 at 11:26Hi,I am using the NUCLEO - L053R8 circuit board.I question about 5 V tolerant function.A pull-up resistor driven by 5 V is added to the port of PA_8.In this case, when setting the open drain setting, 0.1 mA flows.Howev...

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