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HP Nanoprocessor
09-04-2020, 03:39 PM
Post: #1
HP Nanoprocessor
I found an interesting blog post on the HP nanoprocessor that was used in a number of HP instruments. Developed in 1974, it was a contemporary of the 6800 and 8080 microprocessors. The article goes into a great deal of detail on the architecture and fabrication process for the part, including the reverse engineering of the design from the fab masks. I'm posting this in the not-quite-but-related group due to the use of the processor in 98xx desktop plug-in modules and its instruction set.

http://www.righto.com/2020/09/inside-hp-...speed.html

The article is posted in Ken Shirriff's blog, which is well worth a visit for the other chip teardown related articles.

Enjoy!
~Mark

Remember kids, "In a democracy, you get the government you deserve."
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09-04-2020, 05:31 PM
Post: #2
RE: HP Nanoprocessor
A few years ago Larry Bower sent me his own copy of the HP internal Nanoprocessor User's Guide which I scanned and it is available at https://www.hp9845.net/9845/downloads/ma...cessor.pdf as well as on hpmuseum.net.

Paul.
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09-04-2020, 06:14 PM
Post: #3
RE: HP Nanoprocessor
(09-04-2020 05:31 PM)Paul Berger (Canada) Wrote:  A few years ago Larry Bower sent me his own copy of the HP internal Nanoprocessor User's Guide which I scanned and it is available at https://www.hp9845.net/9845/downloads/ma...cessor.pdf as well as on hpmuseum.net.

Paul.

Very cool to own that Paul, thanks for sharing it with the community!

--Bob Prosperi
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09-04-2020, 08:41 PM (This post was last modified: 09-04-2020 08:42 PM by pinkman.)
Post: #4
RE: HP Nanoprocessor
These good old times when a processor’s architecture, instructions set and pins layout were easily described in a few dozen pages.
The nano processor had 40 pins, today’s intel core 10e has 1200.

Thibault - not collector but in love with the few HP models I own - Also musician : http://walruspark.co
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