USB2SOFT USB 2.0 Device SIE, VHDL source code / IP

  • Model: USB2SOFT


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USB2SOFT is the VHDL source code to connect an FPGA-based USB device to a USB host.
The code supports both high-speed (480 Mbits/s) and full-speed (12 Mbits/s) connections.
This FPGA code interfaces with a physical layer transceiver (PHY). The code is compatible with two industry standard interfaces commonly found in
12-pin ULPI [2] (example: USB3300 from SMSC [5])
22-pin UTMI
The code is structured so that the ULPI interface is a wrapper around the UTMI SIE.
The code is a Serial Interface Engine (SIE) implementing the Device side
of the USB 2.0
standard protocol layer [1] including control and bulk endpoints.
USB2-SOFT does NOT support the following:
Host-side protocol, OTG, low-speed, Interrupt and Isochronous endpoints.

VHDL source code included.
Unlimited license to make and use. See the complete licensing terms at

This product was added to our catalog on Sunday 25 December, 2016.

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