Activity
From 07/08/2021 to 08/06/2021
08/03/2021
- 05:23 PM PCB Development: RE: Note on MM70-314-310B2-1-R500
- Oh wow! Thank you for the note Lucas!
Dan - Dropping a note that when I was ordering parts for our carrier board prototypes, I wound up ordering the JAE MM70-314...
08/02/2021
- 03:55 PM PCB Development: RE: Ethernet PHY
- Hi Lucas,
That's awesome to hear, thank you for the update!
Also as a note, you could try adjusting the skew se... - 03:45 PM PCB Development: RE: Ethernet PHY
- Found the problem; it was right between my ears.
I was careful to alter the symbol for the KSZ9031 so that it was ...
07/16/2021
- 01:10 PM Software Development: RE: Reading out the LTC2945
- Thanks for the information Tim, that helps a lot.
I've got a custom dev tree, but then I know where to look and copy... - 01:05 PM Software Development: RE: Reading out the LTC2945
- Jonas,
the schematic for the baseboard is available here... https://support.criticallink.com/redmine/attachments/dow... - Hey,
I am currently benchmarking my design and want to know the power draw by the system. Under https://support.cr...
07/15/2021
- 05:40 PM Software Development: RE: USB Powered Hub and FTDI Cable
- Lucas,
I have found a design that we've used that has the same USB hub that you're using. And after comparing it w... - 04:20 PM Software Development: RE: USB Powered Hub and FTDI Cable
- Dan-
I shorted R19, R31, and R34 in the above schematic and removed R30, C7, and C15.
After a USB storage drive... - 04:38 PM PCB Development: RE: Ethernet PHY
- The ethernet section.
!Eth0.png! - 04:31 PM PCB Development: RE: Ethernet PHY
- Hi Dan,
It does show no link detected. We will poke around further.
Thanks! - 03:55 PM PCB Development: RE: Ethernet PHY
- Hi Lucas,
It looks like the MAC does see the phy because of the following line:...
07/14/2021
- 09:49 PM Software Development: RE: USB Powered Hub and FTDI Cable
- Thanks Dan!
I'll try the modifications as soon as I can. - 09:32 PM Software Development: RE: USB Powered Hub and FTDI Cable
- Hi Travis and Lucas,
Thank you for the info!
I've compared your schematic with a USB 2 hub(TUSB4020BIPHP) that ... - 06:51 PM Software Development: RE: USB Powered Hub and FTDI Cable
- The Model number is: 80-000705RC-9
The Serial number is: 19032369
I attached the dmesg results below. It appears ... - 06:28 PM Software Development: RE: USB Powered Hub and FTDI Cable
- And the relevant section of SOM connector:
!USBpic2.png! - 06:09 PM Software Development: RE: USB Powered Hub and FTDI Cable
- USB section schematic.
!USBpic.png! - 06:02 PM Software Development: RE: USB Powered Hub and FTDI Cable
- Hi Lucas,
Have you tried using an unaltered version of our development SD Card on your baseboard to see if it beha... - 04:16 PM Software Development: RE: USB Powered Hub and FTDI Cable
- I think there was a hardware issue on that version of the board to begin with, but similar problems on a new board re...
- 09:46 PM PCB Development: RE: Ethernet PHY
- Hi Dan-
I've attached the full dmesg in a text file. Or do you mean the full text from the debug UART on bootup?
... - 09:34 PM PCB Development: RE: Ethernet PHY
- Hi Lucas,
Can you post your full boot log? With that I should be able to see if the ethernet MAC at least finds th... - I seem to be having trouble with the ethernet PHY on carrier board. I've tried to duplicate the PHY that is on the Cr...
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