STM32 MCUs Products

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stm32f407 ADC data alignement problem -> solution

Posted on March 07, 2012 at 16:05I encountered a data alignement problem when using the 3 ADCs. ADC_Mode = ADC_TripleMode_RegSimult ADC_DataAlign = ADC_DataAlign_Right had no effect. Data was allways left-aligned. The Problem was that I omitted assi...

raffael by Associate II
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STM32F103xx Boundary Scan

Posted on March 07, 2012 at 15:21Hello, we use the STM32F103xx series for a long time now and want to know if it has boundary scan cells. Where can i find more information about the boundary scan possibilites of the microcontroller family of ST ? Fr...

duroyf by Associate
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CL1 & CL2 Value for Crystal (HSE)

Posted on February 29, 2012 at 16:49Hi, I have chosen this 25Mhz Crystal to be my next HSE:   http://at.farnell.com/abracon/abm8g-25-000mhz-18-d2-t/crystal-25mhz-18pf-smd/dp/1788523#similarProducts Datasheet: http://www.abracon.com/Resonators/ABM8G....

sam239955 by Associate II
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USB Device (MSC): how to wait for data ?

Posted on March 06, 2012 at 05:20I'm trying  to implement USB device that emulates mass storage on USB FS, however, the data source  is approx. 10 times slower than USB FS transmit rate.I tried to wait in Mass Storage read callback for data, but it ...

dzuikov by Associate II
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  • 2 replies
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STM32F4xx Flash Loader Demo

Posted on March 02, 2012 at 21:28Hi, I am trying to update the fash of STM32F407 by using the Flash Loader Demo V1.3, but it does not seem to communicate to my processor. I used this program to flash my STM32F10x series, but I don't know if it will ...

npham by Associate II
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  • 5 replies
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own STM32F4 Board .. whats with VCAP1 and PDR_on Pin?

Posted on February 29, 2012 at 13:22Hi, I'm almost done finishing my STM32F4 Eval Board. But I still have a few questions: I want to use the internal regulator so I connected Vcap1 and Vcap2 with cap's. There is still this PDR_ON Pin. should i leave...

I2C slave transmitter problem

Posted on March 02, 2012 at 11:49Hello. I'm trying to connect two stm32f4discovery boards through I2C. One will be the master receiver, and will ask for 4 bytes of data to the other (slave receiver). I found an example for the master receiver, and i...