STM32 MCUs Products

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AN4661

Posted on May 02, 2016 at 08:34Hi, in chapter 1.1.4 of AN4661 is descriped that if DSI is not used at all then: ''The VDDDSI pin must be connected to global VDD'' There is also written: ''The VDDDSI pin must be grounded.'' Is this a typo? What is c...

sascha23 by Associate II
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STM32F439 - Undershoot on FMC pins

Posted on April 19, 2016 at 17:38Hello, We are using the STM32F439 in our application.While using the simulation with IBIS model (Hyperlynx), we have discovered undershoots on FMC pins.The voltage in undershoot is about -866mV and the current limit ...

eli_az by Associate II
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  • 8 replies
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STM32L4 Discovery CubeMX USB Host Audio callbacks

Posted on May 02, 2016 at 04:09I am using the latest STM32CubeMX (V4.14) and the latest version for the STM32L4 family (version number escapes me right now) and I am trying to understand how to properly use the Discovery board to act as a USB Audio ...

STM32F030 ADC frustration

Posted on October 28, 2015 at 14:57Hello everybody, with this code, no matter what I do, I always get 4095 (max). I've tried looking at Clive examples or IAR's examples I just can't see it. Could someone take a look and see what am I missing. I need...

matas by Associate II
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  • 7 replies
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Issues with composite VCP+MSC: VCP not working

Posted on May 01, 2016 at 17:49Hello, I am stuck in implementing USB composite (VCP+MSC) using FS-Device_Lib_V4.0.0 (STM32L151). Individually both works but when I try composite VCP+MSC, MSC works well but PC can't communicate via VCP (although it c...

rumlyen by Associate II
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  • 2 replies
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CubeMx STM32F4 feature request implement critical section

Posted on May 01, 2016 at 17:49Hello ST team, I like to see a critical section implementation similar to atmel avrlib ATOMIC_BLOCK implementation. example: ATOMIC_BLOCK(5) {     uint8_t status get_spi_device_info();     if(status == 0) return;     d...

taraben by Senior
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grid connected inverter code problems

Posted on April 30, 2016 at 16:27 hi I have problem with adc sampling and controller calculating at each period of sampling(each sampling time) .I fond this from st,com . I have some questions : 1.what is the meaning of first line exactly an...

Can't make the ADC run on stm32f4-discovery

Posted on April 28, 2016 at 16:45I have a stm32f4-discovery with the stm32f407vg uC on it and I'm trying to program the ADC1 and measure some signals on the port PC7 with it. According to the documentation PC7 hangs on the ADC12_IN15 which I'm inter...

zdravko by Associate II
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  • 3 replies
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