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'[EE] New FTDI USB to 232 and Fifo chips'
2005\12\06@115110 by Alan B. Pearce

face picon face
FTDI have brought out new versions of the FT232 and FT245 chips, which
require considerably less external components than the older versions. See
http://www.ftdichip.com/ for more info.

2005\12\06@134733 by Harold Hallikainen

face picon face

> FTDI have brought out new versions of the FT232 and FT245 chips, which
> require considerably less external components than the older versions. See
> http://www.ftdichip.com/ for more info.
>


Nice! I've already designed the Silicon Labs CP2102 into a few products
because of the lower external parts count when compared with the earlier
FTDI parts. This DOES look nice, though. It can do up to 3MBPS while the
SiL part can (as I recall) do 1Mbps. The larger package option on the FTDI
part makes it a little easier to hand assemble boards. The UART I/O line
inversion option is interesting. In SOME applications, you may be able to
skip TTL to EIA232 conversion by letting the FTD device drive the 232
device directly and receive from the device using a current limit resistor
and some clamp diodes.

Harold


--
FCC Rules Updated Daily at http://www.hallikainen.com

2005\12\06@135350 by Mike Hord

picon face
> FTDI have brought out new versions of the FT232 and FT245 chips, which
> require considerably less external components than the older versions. See
> http://www.ftdichip.com/ for more info.

Now if only there were a cheap way to play with them...

I was looking at the FT2232 (USB->2 Serial ports), but either
I need to cough up $50 for a DIP prototype for it or not much
less for a generic TQFP prototype board.  Given that it's an
$8 chip (IIRC), neither of those is an appealing option.  Nor is
"dead bug" mounting a 40+ pin TQFP.

Mike H.

2005\12\07@044921 by Alan B. Pearce

face picon face
>> FTDI have brought out new versions of the FT232 and FT245 chips,
>
>Now if only there were a cheap way to play with them...
>
>I was looking at the FT2232 (USB->2 Serial ports), but either

I am wondering how long before they bring out an R version of the FT2232 ...

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