At 06:25 PM 2/22/97 -0500, you wrote:
>I'm looking at a 12C508 design in which I would like
>to program the device in circuit. I'd program the
>code in the device ROM and specific device values
>in higher memory. I'll be having unskilled
>technicians program the parts, so I'd like to
>build a canned ap that will program the devices
>as well as allow selection of specific values
>for the part. Ability to use the lpt port of
>the PC would be a plus.
>
>Is there any existing source that anyone is aware
>of for programming a 12C508?

The programming algorithm for the serial parts, from 16C74 down to 12C508,
is essentially the same for all chips (except the '8x timing).  You do well
to contact a professional on this.

I recommend _NOT_ using a programmer based on the serial port, though.

Andy
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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
          Hardware & Software for Industry & R/C Hobbies
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