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Altera_Forum
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15 years ago

Realization MFM de/en-Coder via MAXII

Hello @ All, I'm new here and I hope that someone can help me concerning matter above. Background: I work almost honorary in my spare time for the computer museum in Munich and my goal is to...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Sorry Reinhard,

PM was closed but should be open now ... give it a try, it works some else mailed me ...

had a quick look at page 23

the lower part seems pretty straight foreward

a shift register which taps are the adr of that prom.

the upper part is good old fashioned "digital" logic :-)

the 50ns delay with taps each 5 nsec is some kind of shift register with a 5nsec clock what means 200MHz and that is fast ... if a MaxII can handle that ... were is the datasheet ..