Hi,
theoretically yes, as it supports ICSP as 16C/F84 do. Practically, it
depends on the hard-/firmware bcus 12C509A has 12-bit kernel contrary to
16C/F84 which have 14.
I hope this helps.
Imre


On Mon, 10 May 1999, Larry Fostano wrote:

> I have a 12c509a chip and would like to ask the dumb question if the Pic
> 16c/f84 programmer could read the code on this chip.I was led to believe it
> would but somehow don't believe it.
>
>