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Recent content by Ollittm

  1. O

    [General] Microprocessor with Gigabit Ethernet

    Tiva-C is incorrect, it's 100Mbit only. Apparently NXP i.Mx6 also has Gbe on some models but due to errata it's max 420Mbit/s or so, not that it matters for this application. Anyways, I think that pretty much rounds it up except for tier 1 vendors which won't talk to you for such paltry volumes.
  2. O

    [General] Microprocessor with Gigabit Ethernet

    Hello, Do they? I was looking at their selection with their STMCU finder application plus just plain searching. H7 high speed 400MHz family only has 100Mbit MAC. There's the SPEAr600 MPU but it's marked as NRND/Obsolete. I found XMOS xCORE XE family but it seems like a completely custom...
  3. O

    [General] Microprocessor with Gigabit Ethernet

    I have been tasked to find a en embedded processor that has gigabit ethernet MAC. PHY would be a plus but I don't think such a thing exists beyond custom SOCs. From some digging I have found the following: Texas Instruments Sitara family, Cortex A8, A9, A15, possibly others Texas Instruments...
  4. O

    Impedance matrix and differential impedance

    I'm using trace analyzer to calculate differential (and single ended) impedances for PCB design. Otherwise everything works fairly agreeably, but for some reason TA insists on giving broadside coupled impedance in matrix form. I know this is very basic mathematical stuff but I was always much...

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