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shinnlin
Visitor II
October 28, 2004
Question

data bit rate on GPIO

  • October 28, 2004
  • 2 replies
  • 665 views
Posted on October 28, 2004 at 09:30

data bit rate on GPIO

    This topic has been closed for replies.

    2 replies

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    shinnlinAuthor
    Visitor II
    April 30, 2004
    Posted on April 30, 2004 at 05:28

    If I would like to use one GPIO pin as clock source of a pheripheral, that is send 0/1/0/1 sequence on that GPIO pin, anyone know the output data bit rate of it ?

    ( clock rate = 1/2 * data bit rate )

    H
    hacl
    Visitor II
    October 28, 2004
    Posted on October 28, 2004 at 06:55

    Dear forum,

    I have some problems with the GPIO's too. I wrote a program only toggeling one GPIO-Pin. The MCLK works with 48 MHz and PCLK1, PCLK2 works with 24 MHz.

    The toggel-frequency of the Out-Pin is only 146 kHz !!

    I can't believe that this will be the maximum frequency of a GPIO. What can I do ?
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