![](https://private-user-images.githubusercontent.com/29487339/298427585-75ccc568-4f17-48a1-b2af-20211f98896c.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.srm1E5Jv1SqaxwkQZBnCseXH4cn6-q1rJRiwzNthkC0)
This project is an extented work from https://github.com/briansune/USB-PD-Verilog
This example demonstrate a PD 3.1 Trigger design via FPGA internal LVDS and external buffer IC.
The output voltage is set to 28V.
![](https://private-user-images.githubusercontent.com/29487339/323984401-09afa00b-b6c5-44f9-b05c-7ac40f8554e4.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.oGofzPBSEz2_OLZpei79sW9bwVQO5BaAX6IR9aDGrdw)
1: https://www.usbzh.com/article/detail-368.html
2: http://kevinzhengwork.blogspot.com/2014/09/usb-power-delivery-protocol-layer.html
3: https://www.embedded.com/usb-type-c-and-power-delivery-101-power-delivery-protocol/
5: https://www.chromium.org/chromium-os/twinkie/
6: https://blog.csdn.net/xp562870732/article/details/108501283