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UFTDI(4) Device Drivers Manual UFTDI(4)

uftdi
FTDI USB serial adapter

uftdi* at uhub?
ucom* at uftdi?

The uftdi driver provides support for various serial adapters based on the FTDI FT8U100AX, FT232BM, FT2232C, FT8U232AM, and FT8U245AM chips.

The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

intro(4), tty(4), ucom(4), uhub(4), usb(4)

The uftdi driver appeared in NetBSD 1.5. OpenBSD support was added in OpenBSD 2.9.
November 7, 2009 OpenBSD-5.1