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STUSB4710AQ1TR production programming, and discharge

thutch
Associate

Hi there,

 

I have two questions on moving forward with a STUSB4710 in a 5k EAU project. 

 

1. Do you have recommendations on a setup to program the NVM in a CM environment? Likely this involves custom firmware based on the project recommended in the NVM flashing tutorials in some of the presentations I've seen? Is there a straightforward way to load this into an existing STM32L474 project and use the I2C interface to update the NVM? Any tutorials or information on this?

2. The STUSB4710 seems to take a long time to discharge the output node, so that it's 30 seconds or so after a detatch event before it will re-establish power connection with the tablet. Is this expected even after playing with the discharge settings in the configurator? I will look to grab some timing scope captures early next week when I have new hardware in hand.

 

Thanks!

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