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...


bor stm32 programming

Posted on May 09, 2018 at 18:12Can someone show me a simple program to read and write the option bytes on the STM32L476VGT using the STM32 HAL libraries? I only want to change USER parameters values, as the BOR level.I'm trying the following code, b...

Luis Ber by Associate II
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GPIO pin behavior during JTAG programming

Posted on May 09, 2018 at 16:06Hi,this question may be hardware related. I saw some weird power ripple when I programming the STM32L4 device with JTAG. so can anyone explain what are GPIO status during JTAG programming? will it draw high current or ...

jeffz by Associate II
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STM32L4 Nucleo LSE drift

Posted on May 07, 2018 at 21:40Hi all,is there a way to improve LSE drift on L4 Nucleo board? Or all I can do is to migrate to another crystal with higher precision?Thanks, and regardsjerry

Resolved! RS485 frame reception through DMA and UART

Posted on April 17, 2018 at 15:34HelloI am starting a new project in which I have to use a RS4785 communication and this time,  I'd like to do it well.The problem is the following:If I want to receive a frame with UART using DMA, I need to call HAL_...

STM32F429 WFI w/ interrupt disabled

Posted on February 07, 2018 at 09:47Hi,I'm developing on a custom board with STM32F429. I need to use stop mode for power consumption. We have some external interrupt (e.g. interrupt from accelerometer) we use to wakeup from stop mode.Wake up is wor...

STM32F767 ART versus ICache

Posted on May 08, 2018 at 15:37I'm using an STM32F767 at 216 MHz with LL_FLASH_LATENCY_7. The IDE is Keil with IROM (Flash) at 0x8000000. STM documentation AN4667 says, 'Flash memory is accessible by the CPU through ITCM starting from the address 0x...

John F. by Senior
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