> I'm working on a project that requires converting unidirectional
> data from one baudrate to another. If anyone has ideas on an elegant
> and inexpensive way to do this, it would be appreciated.
>
> The converter is for a DMX transmitter. DMX is the standard protocol
> used in the entertainment industry for controlling lighting equipment
> such as dimmers, colour changers, fog machines, etc. It is electrically
> RS-485, and the data is 250kbps.
>
> The crux is that I am interfacing it with an embedded PC using the
> RS-232 port which runs at 115.2kbps. Of course there is a bottleneck,
> but it's ok because the data being sent is generated less often then
> what would be needed to max out the DMX output.
>
> Here are my current thoughts on a solution:
>
> - 2 PICs connected together with either parallel or I2C
> - a PIC with 2 UARTs (but the only ones are 64TQFP, not nice to solder)
> - a PIC controlling a 16550 UART
>
> Any ideas would be greatly appreciated.

        Check out the Maxim MAX3100, it's an SPI UART. I'm considering it for a
project I have in mind that requires three UARTs. TTYL

----------------------------------
Herbert's PIC Stuff:
http://repatch.dyndns.org:8383/pic_stuff/

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