About romaine

romaine · 2013-01-09

Posted on January 09, 2013 at 21:12Dear All,I am using an stm32F407 to capture images coming from an imager. My imager is connected to the DCMI interface and then a DMA is responsible to move the data into the memory. So, I have just discovered that...

romaine · 2013-01-02

Posted on January 02, 2013 at 23:09Hi all,I have a strange behaviour with 4 stm32f407 boards related to the jtag. The jtag of the stm32f4 is connected to a FTDI4232 chip. I have connected only the JTCK (with a 10k pd), the JTDI (with a 10k pu), the ...

romaine · 2013-01-20

Posted on January 20, 2013 at 13:16Hi Kersten,Check the following link ... actually I am using it for my cortex M4 targets. http://www.ukos.chGreat alternative!! Regards, Rom

romaine · 2013-01-10

Posted on January 10, 2013 at 13:29Hi HallMark,Thank you for this information. I rapidly checked the package and I have the impression that the example uses a non concurrent access to the external memory (only the DMA uses the memory during the tran...

romaine · 2013-01-09

Posted on January 10, 2013 at 07:34Hi HallMark,No, I do not use the Discovery kit. I have build my own board (stm32F407 + 64M PSRam + 1 x 4232 FTDI (3 uarts + JTAG) and an extension bus (containing the DCMI interface)RegardsRom

romaine · 2013-01-03

Posted on January 03, 2013 at 10:13Hi Clive1,Thank you for your suggestions. You put me on the tracks and I was able to figure out the problem. The pin NJTRST was float!! With the scope I discovered that the level was close to gnd. I have just pulle...

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STM32F407 and DCMI

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