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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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stm32H743 and usart2 problem

Posted on November 29, 2017 at 17:26Dear All,I have just ported the RTOS uKOS (http://www.ukos.ch) on the new stm32H743. Everything work fine at the exception of the usart2. I have strange situations with the interruptions, and as soon as I receive ...

Analog watchdog is not firing more than once

Posted on January 19, 2018 at 17:21Hi,i want to use the analog watchdog (ADC) on my STM32F4. I have an analog sensor attached to channel 1 of ADC1. I dont want to use CPU to make constant function calls to ADC, even with ADC interrupt mode i have to...

BSP LIBRARY IAR WORKBENCH STM32F303VC

Posted on January 22, 2018 at 14:00Good evening,I can't  import BSP library in IAR Workbench. I'm using stm32f303vc board and I'm followed this guide but i have always the same problem(https://community.st.com/docs/DOC-1500-how-to-add-a-bsp-on-top-o...

Symon by Associate II
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I2C to AT24C64

Posted on February 08, 2017 at 10:35i want to using External EEPROM via I2C on STM32F051R8T6.but i always get error when compile it.can someone tell me or help me ?

noval by Associate II
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[SOLVED] How to set up a GPIO interrupt on STM32L031

Posted on January 21, 2018 at 14:02Please can somebody point me to an example of setting up an interrupt and service routine for a GPIO input for an STM32L031? I have read UM1749 but it maybe it's because I'm not familiar with HAL (4 years of using ...

sm23 by Associate II
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I2S (in SPI): I2SDIV [7:0] = 1

Posted on January 22, 2018 at 10:57In RMs for 'F4/'F7/'F0 (I didn't check further), in SPIx_I2S prescaler register (SPIx_I2SPR) chapter, I2SDIV description, the following statement is given:I2SDIV [7:0] = 0 or I2SDIV [7:0] = 1 are forbidden values.H...

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Maximum Timeout for Window Watchdog(WWDG)

Posted on January 18, 2018 at 06:44I have a question regarding the WWDG in STM32F103RB. What can be the maximum timeout using the WWDG or even better question will be what will be the optimum value of the APB1 clock period(ms).I know the Maximum va...

Stm32l4 iir compute time

Posted on January 20, 2018 at 20:48Hello engineers,I would like to ask you about your computing time of your iir. Ive tried cmsis but ive measured avg. 50us computing time for 32 samples using direct form biquad single stage filter. Many thanks for ...

STM32f4 USB HS HAL Driver bugs

Posted on April 19, 2017 at 23:28Hello.I'm working on application of USB communication with high speed (about 50 Mbit/s). So I used ULPI PHY.For some purpose I used CubeMX (v 4.20.1) and was surprising that my application didn't work.  Enabling DMA ...