2009/1/22 Don North <ak6dn at mindspring.com>:
So what about datasheets for these parts, are there
any available in
electronic form?
I'm particularly interested in the KR1801VM2 variation.
There was no "official" documentation for these chips, but there are
a scans from the Russian "Microprocessor Tools and Systems" magazine:
http://www.d-wanderer.pisem.net/doc1/k1801-844012-18.djvu
(Russian language, DjVu format)
Another information may be extracted from the schematic of the
Russian DVK family of machines. DVK-2 was built around KR1801VM2.
http://en.wikipedia.org/wiki/DVK
(see a Russian interwiki too)
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-=AV=-