M491 （TV）infrared remote control receiving microprocessor

Published:2011/6/1 9:41:00 Author:Lena | Keyword: infrared, remote control, receiving, microprocessor | From:SeekIC

M491 is an infrared remote control receiving microprocessor applied to TV etc. Internal circuit is composed by oscillator, timing generating circuit, power supply on/off logic circuit, control logic circuit, D/A converter, amplifier, infrared instruction Identification circuit, instruction decoder and I /O driver etc. Technical characteristictwo-poly silicon NMOS manufacturing Technologypulse code modulation transmitting method, duty cycle is 0.15%.A EEPROM memory, and simple external circuit.Store 16 preelection program information13-bit voltage synthesis tuner, which has three functions: manual tune, auto tune and auto preplace.



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