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by ericxu
Tue Jan 14, 2020 8:11 am
Forum: Compute Module
Topic: some questions about schematics for the Compute Module IO board (CMIO)
Replies: 5
Views: 749

Re: some questions about schematics for the Compute Module IO board (CMIO)

And also, we need the Ethernet connection. But there is no such connection on CMIO module. If someone have the schematic of the Ethernet connection, could you kindly send it to me for reference? The ethernet connection is made through a Lan9514 chip (USB Hub + Ethernet). You can find schematics of ...
by ericxu
Tue Jan 14, 2020 8:10 am
Forum: Compute Module
Topic: some questions about schematics for the Compute Module IO board (CMIO)
Replies: 5
Views: 749

Re: some questions about schematics for the Compute Module IO board (CMIO)

PhilE wrote:
Mon Jan 13, 2020 1:03 pm
PP means Probe Point - it's a place to measure the signal with a scope or logic analyser.
NF means Not Fitted - there is no component fitted there.
Thank you very much for your help.
by ericxu
Mon Jan 13, 2020 12:25 pm
Forum: Compute Module
Topic: some questions about schematics for the Compute Module IO board (CMIO)
Replies: 5
Views: 749

some questions about schematics for the Compute Module IO board (CMIO)

Hello everyone, This is our first time to use the CM to develop our own product. Here are some questions met when we check the schematics of CMIO module: 1. What's the meaning of PP1, PP2,...PP19? 2. C21&C22, it marks as NF, do you have the exact electric capacity? 3. R15&R24&R25, it marks as NF, do...

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