Hi Ruben,

What kind of PocketPC do you have that has an unbuffered inverted RS232
3.3V port?

-Ed

Ruben Jvnsson wrote:
> Most PocketPC's have a serial interface. The one I have looked at has an
> unbuffered inverted RS232 3.3V port (ready to be connected to a 3.3V MAX232
> type driver or directly to a 3.3V PIC). The port isn't mentioned in the
> standard documentation. The port is normally powerd down but can be powered
> up via software and/or by jumpering some inputs (used to recognize
> different type of peripherials).
>
> Although the PocketPC has an USB port, most are of slave type, which can't
> be used to connect to other slave devices, such as printers or USB to RS232
> converters.
>
> Regards / Ruben
>
>
>>How can I interface a PocketPC to an existing PIC16 device that uses a
>>3V two-wire serial interface?

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