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Altera_Forum's avatar
Altera_Forum
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16 years ago

AS configuration and IO pin reuse

I have (hopefully) one last question - this time regarding the EPCS programming device. I know that it can be programmed in-circuit via JTAG using SFL. I also know that the ASDO and nCE lines can be ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Regarding AS pins reuse, I think the only safe way is to keep one of the three input pins to the AS memory in an inactive state. Otherwise you can't exclude inadvertent corruption of the image. Also, the connected load must not bring on signal integrity issues for the AS communication.

Apart from this, indirect AS programming through works fine.