>1)  How to use serial in-circuit programming with external Flash-EPROM
>    memory and RS232 drivers ?
>   a) How does the address decoder look like ?- Do I need one ?

No, you don't if you use a 64K x 16 memory chip.  You DO need the address
latch.  You DO need to do something to generate the program timing pulse,
though.

To get around this, I use battery-backed SRAM (CY7C1021).  Infinite
re-writes, and let's me have more data memory to buffer stuff.

>   b) Do I need the progamming voltage (13V) for the PIC (not requ. for
>        the memory (Am29010 by AMD)!)

No, I presume you will have your program to use the RS-232 in the internal
EPROM.  You shouldn't be reprogramming this.

>   c) I'm going to use MPSIM. How can I setup the programming transfer?

Huh?

>   d) In the datasheet there are shown some resistors to use the serial
>      port pins also for other purposes (when not programming). Can I use
>      4.7 KOhm for that?

That really depends on the rest of your circuit.

>2) Can I use the Capture ports (as I believe) as simple interrupt pins ?

Sure, and you can make them active low or active high by simply looking for
a rising or a falling edge.

>3) I use a parallel2serial-port extension with a 74HCT165 to get 16 inputs
>   more by using a serial (USART) port. Has anybody experience with this ?

I'm using the Philips PCF8574 chip myself.

Andy

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Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
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