Article View: sci.electronics
Article #7139MIDI keyboard scanner chip
From: Jerry Marshall
Date: Fri, 04 Sep 1992 15:20
Date: Fri, 04 Sep 1992 15:20
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1970 bytes
I am posting this for a friend who cannot access this group. Please reply to me via email. Thanks for any help you can provide. Jerry Marshall ============================================================== Anybody have any idea how I would go about buying some chips from a place in England? I found something on the net that would be perfect for a musical toy I want to build. It's a keyboard (i.e. synthesizer) scanner that outputs serial data according to MIDI (the synthesizer standard protocol) specs. Sounds like one needs to add a clock crystal and power, and the rest is in the chip. So what's the conversion from "pounds sterling" to US dollarinos? Better yet, if anybody has anyway to find out if such a chip is built and distributed in the US, that would be great. This is it: Maplin Electronics P.O. Box 3 Rayleigh Essex SS6 2BR Telephone : 0702 554161 Fax : 0702 553935 Telex : 995695(MAPLIN G) Cashtel : 0702 552941 MIDI Device : E510 keyboard scanner for touch sensitive Keyboards Page : 422 - 423 Order Code : KU41U Price : 24.95 Pounds sterling Description : A fully polyphonic fast keyboard scanner with serial data output to MIDI specs. Up to 128 keys can be scanned, each touch sensitive with a resolution of 128us (256us with 4MHz clock). Specification Supply voltage : 5v +/- 5% Supply current : 5mA Max clock rate : 8MHz Package : 16 pin DIL
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arc1-ca.pugleaf.net!sparky!uunet!pmafire!news.dell.com!swrinde!sdd.hp.com!scd.hp.com!cupnews0.cup.hp.com!news1.boi.hp.com!hp-pcd!hpcvca!hpcvcbw.cv.hp.com!jmjrShow Full Headers
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Path: arc1-ca.pugleaf.net!sparky!uunet!pmafire!news.dell.com!swrinde!sdd.hp.com!scd.hp.com!cupnews0.cup.hp.com!news1.boi.hp.com!hp-pcd!hpcvca!hpcvcbw.cv.hp.com!jmjr From: jmjr@hpcvcbw.cv.hp.com (Jerry Marshall) Newsgroups: sci.electronics Subject: MIDI keyboard scanner chip Message-ID: <1992Sep4.152029.4437@hpcvca.cv.hp.com> Date: 4 Sep 92 15:20:29 GMT Sender: nobody@hpcvca.cv.hp.com Organization: Hewlett-Packard Company, Corvallis, Oregon USA Lines: 43 Nntp-Posting-Host: hpcvcbw.cv.hp.com