Microcomputer for remote-controlled transmitter
A technology of microcomputer and transmitter, which is applied in the direction of remote measurement/remote control selection device, instrument, signal transmission system, etc. It can solve the problems of remote control transmitter combination error, cumbersome, difficult inventory management, etc., and achieve simple and accurate inventory management.
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[0040] Hereinafter, a microcomputer for a remote control transmitter (hereinafter, referred to as a microcomputer) 1 according to the present invention will be described with reference to FIGS. 1 to 4 . FIG. 1 shows a block diagram of main parts of a remote control transmitter 10 in which a microcomputer 1 is installed.
[0041] The operation of the remote control transmitter 10 is controlled by a microcomputer 1, and a keyboard 12 formed of a plurality of keys 11, 11... is connected to the microcomputer 1 as shown in the figure. A plurality of keys 11, 11... are connected to SI / LED of the microcomputer 1, an input / output signal pin of one of KI / 01 to KI / 05, and a certain input signal pin of KI0 to KI3, and these connections are performed The wiring is formed in a matrix, and a certain pressed key 11 is detected in this way. That is, the microcomputer 1 outputs the key scan signals from SI / LED, KI / 01 to KI / 05 at mutually different timings, and when a key scan signal is input ...
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