[mythtv-users] Re: Homebrew PVR Multi-Circuit
Tim Tait
t.tait at comcast.net
Wed Jun 23 17:42:27 EDT 2004
USB sounds better to me too. Serial ports are vanishing...
But USB is a logical bus, not a physical bus topology, so putting both
on one physcal set of wires won't work, a hub is needed.
Though if you had an advanced multi-function USB chip it may support two
devices internally. I don't know the PL2303 well enough to comment.
Tim
Gert van der Knokke wrote:
> Steven White wrote:
>
>> I've read over all of the replies here and have made some decisions.
>> I'm going to try using the PL2303 for USB connectivity. To make
>> things easier, I'm going to keep the LCD and IR transceiver on
>> separate connections and make them compatible with existing drivers.
>> This means that I either use 2 USB connections or a USB and a serial
>> connection. Which way would work out best for you guys?
>>
> I think the best choice would be to go for an all USB system, it keeps
> the system simple.
> With the RS232 you need an extra supply as there isn't enough power on
> the serial port for LCD (backlight) IR receiver (transmitter) and a
> microcontroller. (well maybe if you select some super low power uC :-)
> USB has plenty of juice.
>
> BTW you don't need 2 physical USB connections as the USB system is a
> bus system anyway.
>
> Gert
>
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