6
votes
Guidance on medium-speed SPI bus over backplane
Back in the day (1990s), I worked for a company whose primary product was a piece of telecom equipment that was constructed as a rack of cards in a 3-U rackmount chassis (17" wide). A backplane ...
5
votes
Accepted
Guidance on medium-speed SPI bus over backplane
The board is on the edge of being a high speed design, but first it must be analyzed if it is or if it isn't, and based on what it should be decided.
You say the SPI is used at 25 MHz. As signals can ...
3
votes
Guidance on medium-speed SPI bus over backplane
I was going to recommend DIN 41612, but you already know about them. Back in the day, VME and VXI bus backplanes routinely pushed 50 MHz signals. What is your worst-case pin count for a daughter ...
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