From: Sam Laur (slaur_at_utu.fi)
Date: 2008-03-04 12:50:59
Antitrack@networld.at wrote:
> Hello world!
>
> I just imagined that it would be possible to connect an USB-device, for example
> some USB stick, to the tape port of the commodore 64. It probably has all the
> voltage and dataline(s) needed to get some USB hardware to work....
> But, would this work at all? Can the c64 match the required speed to drive
> usb1.1 hardware? What do you think?
There is no way that the C64 could drive the USB stick directly.
Bit-banging USB signals is hard, and no, you can't do it on a 1 MHz
machine as the minimum baudrate is 1.5 Mbps. Also making a USB host
(which is needed if you want to use a USB memory stick) is much harder
than making a USB device, even with dedicated microcontroller
peripherals. It's mostly the software complexity required. On the other
hand, there are ready-made solutions for that:
http://apple.clickandbuild.com/cnb/shop/ftdichip?op=catalogue-products-null&prodCategoryID=57&title=VDIP1
...which would still be easier to interface to e.g. the user port
than the tape port...
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