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SWD Debugging multiple devices on one bus.

Posted on March 08, 2012 at 10:02According to this paper: http://www.arm.com/files/pdf/Low_Pin-Count_Debug_Interfaces_for_Multi-device_Systems.pdf, it is possible to use SWD to debug multiple chips that are all connected to the same debug lines. Acc...

mgerth by Associate
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Hint: DAC Problem with Keil / Optimise Levels

Posted on March 03, 2012 at 11:01we had a growing application, at one seat, we developed using Keil 4.13, on the other 4.23 No problems at start (HW=STM32 Value Line Eval Board), after adding more and more interrupt handlers etc, DAC stopped workin...

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....

.Wav playout using STM32F4 via uSDcard

Posted on March 07, 2012 at 08:29I tried wave playout using the normal mode i.e. through Flash memory and the AUDIO_MAL_MODE_NORMAL, this worked fine. However when I try playout via uSDCard I find that the output is very noisy and defnitely corrupt...

akshaya by Associate
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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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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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