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Altera_Forum
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14 years ago

Unused CPLD Pins

I have two CPLDs on my PCB that connect to a common SPI bus. In order to keep things simple I'm trying to talk to only one of the chips at first but I'm having some trouble with the voltages which le...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

When I look at the RTL schematic it seems that I do have two flip-flips (actually three) through which SCK is going. See below:

http://i.imgur.com/qWKkW.png

Do I gain anything from explicitly writing this with d-flip flops (like you did in your ByteBlaster code) instead of a vector? I must be missing something important.