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  1. M

    teensy 4.0 High Temperature application

    Thank you for the reply Paul, always appreciated! This is one of the "automotive" ethernet PHY's I found that's in stock. https://www.ti.com/lit/ds/symlink/dp83tc814s-q1.pdf?HQS=dis-mous-null-mousermode-dsf-pf-null-wwe&ts=1690799375085&ref_url=https%253A%252F%252Fwww.mouser.com%252F I'll...
  2. M

    teensy 4.0 High Temperature application

    Paul, Does the MKL02 ic have a full time job? Or is it only communicating with the i.mx during programming and start up? It looks like it is controlling some of the power up sequencing? but other than that is it needed for operating the micro during normal use? Like if I built a circuit that...
  3. M

    teensy 4.0 High Temperature application

    I started to attach images of the differences I found through out the data sheets but got timed out and lost my post. Long story short there are really no differences besides that one register for "GPIO10" which is labeled "reserved" on the normal 1060 ic. All the fuses I scanned through are...
  4. M

    teensy 4.0 High Temperature application

    The bottom right hand corner in the first picture I attached is my power supply circuitry. Made up of a "surge protector" and switching regulator that I've been using for almost 10 years now. All automotive grade and operates at a very low voltage (below 5v). So things still operate normal even...
  5. M

    teensy 4.0 High Temperature application

    Found a document that explains the differences between 1060 and 1060X. I can't tell if its going to cause any issues though :confused: The 1060 extended runs at a maximum of 528MHz instead of 600MHz. Which is already an option in the ide. Also says that the 1060x added another dedicated...
  6. M

    teensy 4.0 High Temperature application

    Thanks for the reply Paul. After looking through these data sheets a bit more... The Oscillator inputs are the same as far as pin names. But there is an extra set of pins named "GPIO_SPI_B#_##", and "NVCC_SPI#", those make up 24 extra pads. I don't know what "SPI" means in this case. I...
  7. M

    teensy 4.0 High Temperature application

    Hi all, I'm developing a product for motorsport use. It is a power distribution module (I've posted about this this project before), It distributes high current 12v power to various loads on the vehicles. Also is controlled via CAN bus and can act as a gate way etc. etc. I have already made...
  8. M

    How to design a very flexible automotive grade digital input

    So I'm designing a module that reads and then sends analog and digital inputs over CAN bus. I'm having trouble deciding how to tackle the digital input design. In motorsport electronics these type of inputs normally have quite a bit of flexibility. Some engine management systems incorporate...
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