> D> > > An 80 port USB Board:
> > >
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> >
> > > Unfortunately it looks like it is just for power, so I wonder if ther=
e
> > is a call for such a device.
> >
> > > Was interesting enough to point out, but who could really use it?
> > > A device manufacturer who wanted to charge units before shipping?
....
Add to that that the USB port is slowly becoming (to the consumer) a
> de-facto +5v power socket, with USB socketed +5v plugpacks, Car
> cigarette lighter inverters sometimes have a couple of +5v USB sockets
> on them as well as the 240v socket. Phone charger cables are available
> that plug to USB to charge.
>=20
> In time, the USB socket will likely become a universal +5v supply
> source (without data lines) for just about every consumer gadget, just
> as the car cigarette lighter socket has become a standard 12v power
> socket for anything and everything.
Already is the case, so nobody has enough USB sockets.
Wait for the PC/laptop that has 80 sockets for all the devices to be=20 plugged in. =20
The 500ma limit of a normal USB port might be a problem in some
> applications, but this is more than enough for most gadgets out there,
> and definitely enough for charging batteries used in most portable
> devices.
When no enumeration has taken place about 90mA, you can only get 500mA AFTER a data exchange to do enumeration.
--=20 Paul Carpenter | snipped-for-privacy@pcserviceselectronics.co.uk PC Services Timing Diagram Font GNU H8 - compiler & Renesas H8/H8S/H8 Tiny For those web sites you hate