General Category > Discussion - Hardware
FT600 SIWU_N Pullup
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timrprobocom:
We're doing a design with the FT600 where we are streaming 100MB/sec.
The data sheet shows that the SIWU_N pin needs to have a pullup. However, the schematic for your FT600 eval board leaves that pin floating. Based on that schematic, our designer left the pin floating. What is the effect of that? How large of a pullup should it have?
Tim Roberts
Providenza & Boekelheide, Inc.
FTDI Community:
Hello,
There are no internal pullups or pulldowns on databus FIFO, RD,WR,OE and SIWU.
This is classed as an I/O pin as per the datasheet so should be pulled up to VCCIO.
I can see that the datasheet instructs to pull this pin up but our evaluation modules don't have such a pullup.
If you can please send an email to your local support office we will be able to contact our R&D team to find out more details about this:
https://ftdichip.com/technical-support/
Best Regards,
FTDI Community
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