STM32 MCUs Products

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STtub driver under windows 8

Posted on July 04, 2013 at 12:39I'm trying to get DfuSe application working under windows 8, but I have problem with installing the STtub driver for device in dfu mode. I have tried to install it with disabled forcing of signed driver in win 8, but ...

pa2 by Associate II
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STM32F407 ADC Scan operation

Posted on July 11, 2013 at 16:17The STM32F407 ADC(s) support scan mode where a predetermined group of ADC input channels are successively converted with the results DMA'd to a circular memory array at the end of the group conversion. This works but,...

John F. by Senior
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STM32F4Discovery RTC+VBAT reset

Posted on July 10, 2013 at 16:33Hy all! I've a STM32F4Discovery board. I want to use the RTC library. I see the board schematic, and I think the VBAT pin is always on VDD. I configure the RTC with LSI, and wake up event, and write a number to the b...

totti001 by Associate II
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STM32F2 JTAG without NJTRST unusable

Posted on June 30, 2013 at 00:29We have a STM32F205RCT6 connected via JTAG. The JTAG emulator uses TDI, TDO, TMS, TCK and SRST (system reset). The NJTRST (JTAG reset) pin is electrically not connected to the JTAG pin header. As long as the softwar...

STM32F4 Discovery SPI with DMA Ghost byte

Posted on July 10, 2013 at 14:28I want to write a buffer into Winbond SPI flash using SPI DMA. When I write buffer, DMA write a null byte at first location and then start writing my buffer from second location and hence writes one character less tha...

STM32L152VBT6 SPI1 interface (to TI CC1101) restart problem.

Posted on July 11, 2013 at 10:18Dear experts. I am developing RFID reader/tag using STM32L152VBT6 and TI CC1101 using SPI1 interface. I would like to stop and to restart SPI1 interface to CC1101. I used the following codes. The SPI1 interface stops...

pnk003 by Associate
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how to output 5V to GPOIA instead of 3.3V

Posted on December 16, 2011 at 00:12I have and LCD screen that requires a positive threshold of 3.5 volts for logic high and the discovery board is only putting out 3.3V for high is there a way to change this on the board or will i need just to add ...

Disable JTag on STM32F4

Posted on July 09, 2013 at 06:23Does anyone know how to disable the JTAG interface on the STM32F4? I want to use the pins for SPI1. For previous STM32s the following was available:   GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE); This command ...