7 Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
13 The Maxim/Dallas Semiconductor DS2490 is a chip
14 which allows to build USB <-> W1 bridges.
16 DS9490(R) is a USB <-> W1 bus master device
17 which has 0x81 family ID integrated chip and DS2490
18 low-level operational chip.