Hi Jim,
I read the data sheet of the Radio card, it is uart interface, which
supports up to 1000000 baud rate. That is why I am trying to figure out a
solution because the maximum baudrate for TS7260 is 230K. I will like to use a
USB to serial board like this:
http://www.sparkfun.com/commerce/product_info.php?products_id=718
What do you think?
Thanks
--- In Jim Jackson <> wrote:
>
>
> Sorry but your whole query is pretty non-sensical...
>
> On Sun, 14 Feb 2010, tsao.terence wrote:
>
> > I have a 2.4Ghz radio card that supports up to 1Mbps transfer rate with
> > uart interface. Therefore I am trying to hack the TS7260 uart to have
> > the baudrate of 1000000. The only reason they quote maximum baudrate is
> > only 230K is because the limitation of the RS232 chip on board.
>
> What interface does your radio card present for connection to the host
> computer? The documentation (you know that stuff that nobody seems to read
> :-) for the radio card should be specific.
>
> If it is an rs232-type serial interface, it should say something like rs232
> at TTL levels, like TS describe some of their "rs232" interfaces.
> They should also specify the EXACT baud rate at which they drive this
> interface - you have to match this EXACT baud rate on the TS board side.
> They should also say how many data bits, whether or not they use parity
> etc.
>
> If they don't give this info, then start to suspect that it is not an rs232
> type interface - there are many other types of serial interface e.g. i2c,
> spi and these are driven in an entirely different way.
>
> >
> > Therefore I will like to bypass the RS232 level, but I don't know if you
> > can actually do that.
> >
> > 1.) Can I set the uart to a different set of pins therefore it doesn't go
> > though the RS232 chip and it won't have baud rate limitation issue?
> >
> > 2.) Get a USB to serial converter, but I don't really like that idea, I
> > want to use just the board itself.
> >
> > 3.) What else can I do to upscale the baudrate to 1000000 without having
> > to distort the signal.
> >
> > Remember I want UART not RS232
> >
> > Thanks
> >
> >
>
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