The MAX232E version improves on ESD protection to +- 15 kV -- requires 4
each 1uF caps for the charge pump.

Rich

At 10:12 PM 3/3/98 -0500, you wrote:
>At 08:03 PM 3/3/98 -0600, you wrote:
>>Great Masters of the PIC,
>>
>>I need of your wisdom again    :)
>>
>>I am planning to use a MAX232 to get true RS232 levels on a project I am
>>working in.
>>I intend to use the USART of a PIC16C63 for asynch comm, but according the
>>datasheets of this PIC (I may've missed something) the levels of the TX and
>>RX pins for the USART are true RS232 (i.e. start bit=low level), and the
>>MAX232 inverts the signals.
>>So the question is: can I use the pic's USART with the MAX232?????
>>And if so, how?
>>
>>TIA
>>
>>Calvin
>>
>
>Hi Calvin,
>
>Yes, you can use the MAX232 with the PIC USARTs. I have used other members
>of the MAX2xx family of level converters with 16C65A and 16C74, and it
>works. You must be getting confused somewhere because the output of the PIC
>does need to be inverted (by the MAX232). No additional inverters or any
>other circuits are necessary.
>
>Sean
>
>
>
>
>+--------------------------------+
>| Sean Breheny                   |
>| Amateur Radio Callsign: KA3YXM |
>| Electrical Engineering Student |
>+--------------------------------+
>Fight injustice, please look at
>http://homepages.enterprise.net/toolan/joanandrews/
>
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>mailto:shb7@cornell.edu
>Phone(USA): (607) 253-0315
>
>

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