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by SgtSiff
Wed Aug 21, 2019 2:37 pm
Forum: Compute Module
Topic: Power supply sequencing.
Replies: 1
Views: 409

Power supply sequencing.

I know it is important to sequence power supplies for the compute module, but I was wondering, is this just for the RPi power supplies or does it also apply to peripherals that are connected to the module? Currently I have a ton of peripherals all nicely running from 3.3V, current draw is around 3A ...
by SgtSiff
Tue May 28, 2019 8:06 am
Forum: Compute Module
Topic: Commerical design & LAN951X questions.
Replies: 4
Views: 1014

Re: Commerical design & LAN951X questions.

I just thought I'd update my post with answers to the rest of my questions, in case any one else stumbles across this thread in future. For those that have commercially produced designs, do you program...... We have decided to program the board externally, and have designed a barebones PCB to mass p...
by SgtSiff
Fri May 10, 2019 12:28 pm
Forum: Compute Module
Topic: Commerical design & LAN951X questions.
Replies: 4
Views: 1014

Re: Commerical design & LAN951X questions.

On recent firmware, it assigns the MAC address to the LAN951x...... Thankyou, that's good to know. At least for testing purposes it will work, then we can worry about purchasing & adding custom MAC addresses later. I think we read the same thread! The only answer I have is that on the Pi3, the LAN ...
by SgtSiff
Fri May 03, 2019 11:25 am
Forum: Compute Module
Topic: Commerical design & LAN951X questions.
Replies: 4
Views: 1014

Commerical design & LAN951X questions.

Hi, I am designing a board for the compute module 3+ for an application at work and I have a few questions: For those that have commercially produced designs, do you program the modules from your board (and hence need the supporting circuitry such as USBMUX) or do you program the boards externally a...
by SgtSiff
Wed Feb 06, 2019 3:06 pm
Forum: Compute Module
Topic: TPD12S016 HDMI ESD & CM3
Replies: 4
Views: 1001

Re: TPD12S016 HDMI ESD & CM3

Q3 being the mosfet on the CEC line ;)

I don't need CEC but I want to maintain all functionality
by SgtSiff
Tue Feb 05, 2019 8:43 pm
Forum: Compute Module
Topic: TPD12S016 HDMI ESD & CM3
Replies: 4
Views: 1001

TPD12S016 HDMI ESD & CM3

Is anybody able to give feedback on the following schematic please? I'm trying to design an open source CM3 prototyping board that has hand soldering friendly components, so I'm hoping to replace the BGA ESD5384 with a TSSOP TPD12S016: https://i.imgur.com/rJ8zx3Z.png I have pulled LS_OE and CT_HPD h...

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