STM32 MCUs Products

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Forum Posts

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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Measure 2 signals on TIM2 CC1, CC2

Posted on February 17, 2016 at 00:15Hi, On this link there's an example piece of code: https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy.st.com%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcorte...

STM32F1 USART problem

Posted on February 17, 2016 at 18:38Hi, I am new to the STM32 family and I am stuck with a pretty basic problem. My board (STM32F105 CAN study board) came with a basic software in Flash, and I got the sources of that software which I am running from...

STM MCU with embedded 485

Posted on February 17, 2016 at 15:48Is there a STM MCU with RS-485 integrated on it ? It would be very usefull  given the fact that MCUs are industriall devices and one of the most used communication protocol in industry is RS-485.   

ionutF by Associate III
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STM32F4 DISCOVERY KIT - USB JTAG Module Implementation

Posted on February 17, 2016 at 07:48Hello,We have an requirement for field program-ability using USB interface. Our SW development team already using ''STM32F4 DISCOVERY KIT'' for their development activities. Controller is STM32F407VGT6.The discove...

koyala by Associate
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stuck on I2C_FLAG_BUSY

Posted on February 16, 2016 at 17:44Hello,I have try to send data from my stm to accelerator.The problem is when I check the flag before start to sending first command it stuck on busy.(I2C_GetFlagStatus) my pins are :D6, D7 (PINS that are free)What...