TC915OP remote control microprocessor integrated circuit

Published:2011/4/26 3:03:00 Author:TaoXi | Keyword: remote control, microprocessor | From:SeekIC

The TC915OP is one kind of remote control microprocessor which is designed to process the pulse from the remote control receiver, the pulse is decoded and transformed by the microprocessor to control each circuit, so this circuit is mainly used for a variety kinds of sound system. 1. TC915OP circuit block diagram and pin functions The TC915OP is composed of the remote control pulse discern circuit, check digit circuit, clock oscillation circuit, counter, register and output-drive circuit.etc. The circuit block diagram and pin functions is as shown in figure 1. The pin typical operating voltage is as shown in table 1. Table 1. The pin typical operating voltage of TC9150P Figure 1. TC915OP circuit block diagram and pin functions 2. Typical application circuit of the TC915OP The typical application circuit of the TC915OP is as shown. In circuit, IC1 can be used to receive the IR remote control signal, IC3 can be used to remote the volume. Remote control transmitter chip TC9153 can be assorted with the TC915OP. Figure 2. Typical application circuit of the TC915OP 3. Theworking process of this circuit 4. Fault tips



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