RE: [ts-7000] Re: Serial port TTL levels

[TuÄrul GÃÃLÃ <>]

ï

Hi

Is there sth wrong with the mail group , i can't receive anything.

Thanks..

---

From: [ On Behalf Of PeterElliot
Sent: Thursday, March 22, 2007 4:56 PM
To:
Subject: [ts-7000] Re: Serial port TTL levels

If you use one of the 3.3V MAX232 devices from MAXIM, ST, or similar
you can connect directly to the 3.3V level signals. You need to power
the MAX232 from 3.3V if you don't want the TS-7400 inputs to see a
higher (5V) voltage.

I've used the Maxim MAX3232E type devices in the past.

PJE

--- In .com, TuÃrul GÃÃLÃ <> wrote:
>
> Hi
>
> I have TS7400 board, datasheet says that GPIO's are 3.3V level.
> Is it possible to connect the TX and RX of UARTS to another
external max232 circuit.
> Because UARTS pins are also 3.3 V level too I think.
>
> Or do we have to use 3.3v<->5V converter ?
> Thanks..
>
> TuÃrul GÃÃLÃ
>
> Proje MÃhendisi
>
> YazÃlÃm GeliÃtirme Grubu
>
> e-posta: tugrul.guclu @savronik.com.tr
>
>
>
> Savronik Elektronik Sanayi ve Ticaret A.Ã.
>
> Organize Sanayi BÃlgesi
>
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>
> Tel : (+90 222) 236 1590
>
> Faks: (+90 222) 236 1589
>
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>

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