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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IAP: Boot Loader Write Protection

Posted on January 30, 2016 at 13:43Dear Forum Members, I am using STM32f103 custom board. I have divided my flash into 2 parts, one for custom bootloader and other for application(as explained in ST IAP example). Now I want to made boot loader secti...

Alternative Function

Posted on February 18, 2016 at 09:48Hi i wonder if it is possible to read the changes on the GPIO pin where the GPIO pin is configured as GPIO_Mode  = AF pin mode.  on f429?

arunl4g by Associate II
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STM32F4, HAL Lib, USART IRQ

Posted on February 10, 2016 at 09:40 Hi all, I'm working with STM32F4 mcu and keil uVision 5 IDE. I'm tryng to configure RS232 periph. but I have a problem. Transmission works fine but I'm not able to receive interrupt when something is recei...

tommaso by Associate II
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USB transfer multiple of packet size

Posted on June 14, 2014 at 15:30I don't know whether this is related to the STM32CubeF4 package or the STM32F407 so I'll post here.I'm using the STM32F4 discovery board and the onboard USB FS port.I wrote a VCP interface that lets me send a buffer o...

shippo by Associate II
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Upgrade from USB Host Library 2.0.0 to 2.1.0

Posted on June 24, 2014 at 18:02Hi guys,I recently upgraded my USB Host libary in one of my programs from version 2.0.0 to version 2.1.0 and it seems to have broken something. When I try to read a file from my USB Flash drive using FatFs, it crashes...

SWD and JTAG

Posted on February 17, 2016 at 16:44I built my own board and I am trying to use the JTAG connections. It does not seem to work. It only uploads  a small percentage of time and even when it does, I am not to sure it is uploading correctly. I thought ...

achin by Associate II
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JTAG without NJTRST

Posted on February 16, 2016 at 08:16Hello there, I have a general question regarding the NJTRST signal in a JTAG protocol. In STM32 datasheets, I read that JTAG can operate with only 4 pins, without NJTRST. I only assume it then uses regular #RESET ...

STM32F407VG with PS/2 Keyboard - project

Posted on February 17, 2016 at 11:48Hi, I'm second year student at UTP in Poland. I have to do project based on STM32F407VG. It's just simply communication with keyboard. But I have problem - power on my keyboard. I read that to power PS/2 I have t...

mich by Associate
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STM32F405 I2S3 problem

Posted on February 17, 2016 at 17:58Hello,I'm having a problem after enabling I2S3 in master receive mode, for aquiring data from a mems mic.After calling HAL_I2S_Receive_DMA(), all other DMAs go to RESET state (all of them were READY).I tracked dow...

fb2 by Associate II
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