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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Resolved! what/where is USB tSTARTUP of STM32H563 ?

The ref manual (RM0481 page 2585) says: "This circuit has a defined startup time (tSTARTUP specified in the datasheet) during which the behavior of the USB transceiver is not defined.". I searched for USB and tSTARTUP but could not find anything in t...

mete by Senior
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Resolved! Evaluation Kit for STM32H745XI

Hi,We are using STM32H745XI processor for one of our customer products. To start our initial software prototype development, we are looking for the evaluation kit. I went through the processor product page, and I have following queries:1. Looks like ...

Jigs by Associate
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STM32F746 FMC NWE periodically goes high

Hello. I'm using STM32F745VET.I want to connect SRAM via FMC, but when I run a simple app, the waveform look like below.The code I made is just write data "0x28". and It does not work.As you see, NWE signal work high-low periodically. I think this is...

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Kourinho by Associate
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TIMER

Hello,I found an example on the internet of a project but I don't understand the usefulness of using a Timer 7. Could you tell me why ? Thanks in advance. __IO uint32_t usTick; void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { /* Preven...

DYann.1 by Senior
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  • 40 replies
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Strange behavour when coming out of standby mode

Hi  I have my own board with a STM32L433 , running on a battery. I place the processor in Standby mode, then exit it with the RTC AlarmA and periodic timer. As soon as it wakes up I initialize the uart and display a message on the terminal .When put ...

SPI documentation mismatch with CubeMX

Posted on March 26, 2017 at 23:53I'm using CubeMX 4.19.0 for STM32F407G-DISC1 and firmware for STM32F4 version 1.14.0. (yes I realize there is an update).When setting up an SPI port, one of the parameters is CPHA, the clock phasing. You have to decl...

G431KB abnormal current consumption

Suddenly the CPU has started to absorb 160 mA. At the beginning, when I started using it, it was 30 mA. I cannot understand the reason. No hardware modification has been operated. Has anybody experienced anything like this? Thanks in advance.@apoggia...

gigikw by Associate
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STM32L471RGT6 32 bit SPI

Hi is it possible to communicate 32 bit data over the SPI bus? Using IOC to set up the SPI port 2 , I seem to be limited to 16 bits.Thanks a lot  Richard  

rwils.1 by Associate III
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