AT Keyboards --- Not all equal!
John Hansen email (remove spam text)
<x-flowed>At 10:58 AM 6/1/00 +1000, you wrote:
>At 05:49 PM 5/31/00 -0400, you wrote:
>I had the same problem with different keyboards as you describe.
>Some keyboards require the CLOCK period to within tight margins. If I
>correctly this is 40us for a full period.
>If the clock period is off some keyboards will not work, others will. When
>I got the clock right all the keyboards worked 100%
I'm wondering if you would elaborate, Jim. The clock is generated by the
keyboard. As long as I read the data after the falling edge of the clock,
shouldn't I be ok?
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