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Article #7111Re: Need encoding scheme for TV remote infrared controller
From: John Nagle
Date: Thu, 03 Sep 1992 18:11
Date: Thu, 03 Sep 1992 18:11
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1154 bytes
Re IR remote controls for consumer electronics:
It's not that bad. Motorola has components for all the remote
control functions, and you can get the data sheets and see how it's done.
The MC14497 is a "dumb" one-chip IR remote control IC, intended to
be driven by a 4x4 keypad. The corresponding receiver is a MC3373P.
This outputs a TTL bitstream. There's a newer part, the MC44520 RC
Receiver, which is part of Motorola's chip set for TV receivers.
There's also an application note, AN1016, Infrared Sensing and Data
Transmission Fundamentals, which may be useful. Motorola info can
be obtained from their tech hotline, 1-800-521-6274. [JN, Sep 92]
Technical Details
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Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!decwrl!csus.edu!netcom.com!nagle From: nagle@netcom.com (John Nagle) Newsgroups: sci.electronics Subject: Re: Need encoding scheme for TV remote infrared controller Message-ID: <nxlnajj.nagle@netcom.com> Date: 3 Sep 92 18:11:10 GMT References: <1992Sep2.003540.24065@aio.jsc.nasa.gov> <BtyE2K.3ts@news.cso.uiuc.edu> <1992Sep2.181547.28000@aio.jsc.nasa.gov> Organization: Netcom - Online Communication Services (408 241-9760 guest) Lines: 11