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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! Activating TIMER PWM mode with CMSIS. Need help!

Hi all! I'm fighting witn CMSIS, and now I'm triyng to start a timer in PWM mode. The MCU is a STM32F303CCT6, and the timer I want to use is TIMER3, activating a led on PA6. I didnt modify any clock, so I supose the MCU uses the HSI clock at 8MHz.Thi...

JAlca by Senior
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  • 6 replies
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SDADC speed, accuracy and calibration.

Trying to get best of STM32F373CCT6 & its differental moded SDADC1 for a pressisios bridge type sensor.Datasheet's say that the SDADC speed limit is 50kS per second.Ive reached only 68uSec (~15k) for thisHAL_GPIO_WritePin(GPIOA,GPIO_PIN_4,GPIO_PIN_SE...

es131245 by Associate II
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  • 1 replies
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STM32F7 HAL_EXTI_SetConfigLine() causes the Hard Fault

STM32F7 HAL_EXTI_SetConfigLine() causes a Hard Fault whenever the parameter is one from the HAL_EXTI_GetConfigLine(). CubeIDE 1.2.1STM32Cube FW_F7 V1.15.0Nucleo F746Following is the sample of the sequence. This code retrieve the EXTI configuration of...

Takemasa by Associate III
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Resolved! How to configure PWM as Gated output?

Hi,I am using STM32F072VBT6. I need a PWM waveform output that is gated with a PWM output of another timer channel.I am using TIM3_CH1 as the master that will control the output of another PWM of TIM2_CH1. Please refer the image for clarity. I need w...

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the RM0090 reference manual for 2014 ,in the description of the “Chip Select togglest�? different from RM00990 reference manual for 2018,why?

the RM0090 reference manual for 2014 ,in the description of the “Chip Select togglest�? different from RM00990 reference manual for 2018,which one is correct?The results of our tests are consistent with reference manual for 2014,Is it wrong in RM0099...

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cxiao.6 by Associate II
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I have a question,when changed cpu from stmf407 to stm32f427 .sometimes, read a wrong data from extern sram access by FMC ,it's happend in most of the cases in interrupt ,someone have the same problem?

my English is poor,In the same program ,cpu 407 do not have this problem,only happened in 427​,somtimes.It's like 2.3.4 Corruption of data read from the FMC. in <Errata sheet - STM32F42xx and STM32F43xx - STM32F427/437 and STM32F429/439 line limitati...

cxiao.6 by Associate II
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printf function call causes hard fault

Hi all,I am working on a STM32F103VEtx MCU. In my firmware I have redirected the printf function to a UART for debugging purposes. When I start running the code, the printf function causes the hard fault handler to hit. Please see the call stack att...

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