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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

about EPM240 high impedance output

im now encounter a problem with EPM240 high impedance output,it seems like the io port has connected a low value R to the ground that drop down the voltage provided by other signal on the bus. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

i think i havn't got the right answer,maybe i didnt express clearly ,so i send the reference diagram.

thanks a lot.........