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Booting from external SPI Memory, LPC3250

rushi k

Hello Aykut Birsen,

I am also having same problem of booting from external serial flash.

I am using SST25VF040B serial flash.

I have connected SPI1_DATIN Pin to the ground with 100K resistence.
but still its not taking code from serial flash.

But with osilloscope i can see the out put waveforms comming out from ext serial flash's pin 2 which is SPI_DATA_OUT. after the reset.

could you please help me with circuit(with SPI1_DATIN Pin)connections and that code which u loaded into ext serial flash. for my reference.

Thanks in adavance.

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  • 0 in reply to rushi k

    Actually, since you have posted it in a Public forum, you have opened it to public comment.

    If you want private consultancy, where someone will focus specifically and solely on the issues that you specify, then you must expect to pay for that.
    On a free, open, public forum, you must take what you get.

    "Beggars can't be choosers"

    And, striclty speaking, this forum is supposed to be for discussions about Keil products - not general microcontroller design issues!

    http://www.keil.com/forum/

Reply
  • 0 in reply to rushi k

    Actually, since you have posted it in a Public forum, you have opened it to public comment.

    If you want private consultancy, where someone will focus specifically and solely on the issues that you specify, then you must expect to pay for that.
    On a free, open, public forum, you must take what you get.

    "Beggars can't be choosers"

    And, striclty speaking, this forum is supposed to be for discussions about Keil products - not general microcontroller design issues!

    http://www.keil.com/forum/

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