Re: Adding USB Interface to Low-Cost 8-Bit Microcontroller
- From: Tilmann Reh <tilmannreh@xxxxxxxxxxxxx>
- Date: Thu, 12 Jun 2008 08:08:02 +0200
Andrew Smallshaw schrieb:
Others have already directly answered your question so I'm not
going to. However, are you sure that you really need USB? You
seem to have gone from requirements to that conclusion in a single
bound so I can't help suspecting maybe there is a little tunnel
vision here.
[SD card suggestion]
Another approach might be to use "good old" RS232 - it's the cheapest
standard interface you can have with a small micro.
Those who want to do program updates either need a PC that still has an
RS232 interface, or use one of the uncountable USB-RS232 converters that
are around (and cheaper than you can implement an USB interface).
You don't have to care about all the USB stuff, and a simple serial
protocol is easily implemented on any micro.
Tilmann
.
- References:
- Adding USB Interface to Low-Cost 8-Bit Microcontroller
- From: David T. Ashley
- Re: Adding USB Interface to Low-Cost 8-Bit Microcontroller
- From: Andrew Smallshaw
- Adding USB Interface to Low-Cost 8-Bit Microcontroller
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