STM32 MCUs Products

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STM32F4xx alternate configuration SPI1 issues

Posted on May 19, 2014 at 14:04Hello Everyone,I was just wondering if anyone has seen this, I have seen this only referenced on one website.  I have SPI1 on a STM32F415 configured as   PA7   ------> SPI1_MOSI  PB3   ------> SPI1_SCK  PB4   ------> S...

gvigelet2 by Associate II
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STM32F0308-DISCO stop consumption

Posted on May 20, 2014 at 15:03Hi all.I have to test stop comsunption using jumper JP2 present on th board (STM32F0308-DISCO board).I have measured high value (abiut 200 uA)Into STM32F030x datasheet the value is declared about 5 to 32 uA MaxNote tha...

r239955 by Associate
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SPI Rx via DMA... SCLK generation?

Posted on May 19, 2014 at 21:41I'm wanting to update a product that has a SPI device on the same channel as the UART.  Currently the SPI device uses DMA - it sends 1 byte and receives a packet of info.  On the UART we only send data.I would like to ...

mreed by Associate III
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STMicroelectronics Virtual COM Port problem send big data

Posted on May 19, 2014 at 22:52Hi I made VCP from ST sample on ST32F405 (STM32_USB-Host-Device_Lib_V2.1.0 & DriverVer=04/25/2010,1.3.1) When I send data from CPU to PC less than 64 byte, all work fine. I have 2 problems: 1) When I try send data from...

jsi by Associate II
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  • 3 replies
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F030 USART half dupliex

Posted on May 09, 2014 at 14:40The original post was too long to process during our migration. Please click on the attachment to read the original post.

sanjib by Associate III
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  • 26 replies
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STM32-Mat / Target: Determine PWM Duty Cycle

Posted on May 20, 2014 at 12:00Hello, from the documentation of the STM32-Mat/Target i have read that there is currently no implementation to determine the duty cycle available. however, since the frequency measurement implementation just starts a t...

marc2 by Associate II
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USB vcp reset problem

Posted on May 15, 2014 at 16:58Hi, I am using USB HS port in the FS mode in my vcp project. When I used it to communicate to  PC, it works ok if I re-plug in the device to PC. The problem is if I just reset the MCU from IDE debug, the device cannot ...

kqian by Associate II
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  • 7 replies
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DMA with read strobe but without write strobe

Posted on May 19, 2014 at 03:47Hi AllSTM32F2xx:I assume this is not possible but....Can a DMA transaction have the read strobe only without the write strobe (ie half the transaction)?The reason is due to our project having an FPGA being mapped onto ...