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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STM32F7 Async memories with continuous clock FMC_CLK

Posted on August 27, 2016 at 14:51Hello,Since ST have consistently failed to fix the synchronous memory read bug, I am thinking about using async access to an FPGA, with continuous clock FMC_CLK.The ST datasheets give no timing info at all in this r...

pr242 by Associate II
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STM32f7 HardFault, unaligned memory access

Posted on August 26, 2016 at 15:29Hi,Using STM32F756.I have a weird problem. I get hard fault with unaligned address at random locations. Example:#0  HardFault_Handler () at ./hw/irq/irq.c:84#1  <signal handler called>#2  0x0801d7a4 in cia_step (cc=...

STLINK and CPU reset.

Posted on August 22, 2016 at 15:06Hi.Recently I noticed when reprogramming my stm32vl discovery board, STLINK does not reset the chip and start my newly programmed application. Its been such a long time since I did any work on this and I believe in ...

mbmail4 by Associate II
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STM32 timer input filter

Posted on August 25, 2016 at 13:47Can anyone point me to a quantitative explanation of what the timer input filters do? I see I can set the filter to a value of 0..0xf, but what does it do when set?

azachai by Associate
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Software interrupt basics

Posted on August 25, 2016 at 17:02Hello,i try to intialize and rise an software interrupt on stm32 platform.As far as i've found out one needs to set ExtI.SWIER register which effectively will invoke the interrupt handler function.So i assume settin...

PI controller

Posted on August 25, 2016 at 09:05Hi, I'm beginner in coding, I'm using STM32F407G Discovery with HAL library and I want to implement PI controller.I tried the code mentioned in http://stm32f4-discovery.net/2014/11/project-03-stm32f4xx-pid-controlle...

SPI slave using USART-1 in interrupt mode

Posted on August 25, 2016 at 22:23We are using a STM32F205 CPU in our own board design. We are configuring the USART-1 as a SPI slave with the proper AF functions.We have the NSS pin configured as hardware mode.With this configuration, does the NSS ...

@clive1 - re; Alternate Function Reply

Posted on August 26, 2016 at 07:48clive1, I have attempted repeatedly to reply to your post to me. STM server sw apparently, has a bug which prevents me from posting replies. However, I can post 'new' messages, so here is a somewhat tardie reply. Th...

troneeee by Associate II
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