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AT89S52-24PC.

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Ian Field
Guest

Thu Nov 27, 2014 1:53 am   



Liberated this part from a scrap Hitachi CD/radio, the "S" in the middle of
the number had me not expecting it to be a flash programmable part - but the
data sheet seems to suggest it is. Not only that, it supports ICSP.

Can anyone enlighten me on the significance of the "S"?

Thanks.

Tilmann Reh
Guest

Thu Nov 27, 2014 8:30 am   



Ian Field schrieb:

Quote:
Liberated this part from a scrap Hitachi CD/radio, the "S" in the middle of
the number had me not expecting it to be a flash programmable part - but the
data sheet seems to suggest it is. Not only that, it supports ICSP.

Can anyone enlighten me on the significance of the "S"?


You already mentioned it: this one can be programmed by ISP interface
(the 89C52 can't).

Tilmann

Ian Field
Guest

Fri Nov 28, 2014 1:07 am   



"Tilmann Reh" <usenet2007nospam_at_autometer.de> wrote in message
news:m56jru$3jk$1_at_dont-email.me...
Quote:
Ian Field schrieb:

Liberated this part from a scrap Hitachi CD/radio, the "S" in the middle
of
the number had me not expecting it to be a flash programmable part - but
the
data sheet seems to suggest it is. Not only that, it supports ICSP.

Can anyone enlighten me on the significance of the "S"?

You already mentioned it: this one can be programmed by ISP interface
(the 89C52 can't).


Thanks.

I didn't think I could get that lucky from a scrap CD/radio I rescued from
the bins at the flats.

My jubilation is however somewhat tempered by the fact I only have PIC
programming gear.

There is a folder with schematics etc for an Atmel type programmer, but it
will of course involve a bit more effort.

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