STM32 MCUs Products

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stm32F071 + STOP MODE + wakeup + HSI48 = hard fault

Posted on April 05, 2016 at 10:31For a wearable product we're working on a device that wakes up 160 times a second (for now, will later be reduced to ~10 times per second), does it's thing, communicates with a host and remains in STOP mode for the r...

henk23 by Associate II
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problems about STM32F446 TIM2 as External counter

Posted on April 05, 2016 at 15:49I'm using STM32F446RE NUCLEO and I need to count the external pulse.I don't know how to configurate it to enable the counter.the value of counter is 0 whatever the input fruquency.the following code is my configurati...

Place stemwin fonts in external flash

Posted on April 04, 2016 at 19:49Hello, I use stemwin with stm32f7 controller. I would like to put fonts and bitmap in external nor flash memory. I have declared my section in linker file. But I don’t know how to generate hex or bin file to put in n...

TIM CR2.CCDS functional?

Posted on April 01, 2016 at 20:54STM32 timers CR2 contains CCDS which seems to have no effect.  Reference manuals say that it selects DMA on update rather than compare.   DIER register contains DMA enables for all compares as well as update, so desc...

CubeMx creates some bugs

Posted on January 21, 2016 at 14:43CubeMx 4.12.0 Mcu: STM32L476RETx Fimware Package: L4V1.2.0 -Cube is generating code for port H, but there's no port H on the L476RET  /*Configure GPIO pins : PH0 PH1 */    GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PI...

STM32F0 USB Documentation

Posted on April 05, 2016 at 10:14Hi all,I can't find documentation of STM32Cube USB device for STM32F0, could I use the following documentation that I found for STM32F4:http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_ma...

ee06091 by Associate III
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CAN Bus Tx packets missing [STM32F303x]

Posted on February 08, 2016 at 12:37Problem with the CAN Tx dropping packets.I am testing by sending 8192 packets to a CAN Bus analyzer. each test packet is less than 8 data bytes. After about 60 packets have been sent at 250kBaud about half of the ...

gbigden by Associate III
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UL Approval

Posted on April 05, 2016 at 14:35Hi All,I am suggested by the moderator of the forum ''Motor Control Firmware and Software'' to ask this question here. The original question is in [DEAD LINK /public/STe2ecommunities/motordriver_ics/Lists/Motor%20Con...

KF Lam by Associate II
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STM32F103 StdPeriphLib I2C Slave

Posted on April 05, 2016 at 12:57Hi,I am trying to build a slave using a STM32F103. I've got the ''Optimized I2C Examples'' project to use it as a base and I get the idea of what is happening.The bit I am stuck at is finding a way to check if master...

dman by Associate II
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STM32F4 DISC1 reset issue

Posted on March 31, 2016 at 11:20I'm using a STM32F407VG Discovery board in a test rig, and have noticed an issue when the board is powered with 5V on the pins. It appears that the MCU is held in reset after power is applied. This is fixed by pluggi...