MH8822 fan single chip computer control integrated circuit

Published:2011/6/8 22:20:00 Author:Christina | Keyword: fan, single chip, computer control, integrated circuit | From:SeekIC

The MH8822 is designed as one kind of fan single chip computer control integrated circuit, it can be used in the control systems of all kind of fans such as the Great Wall series remote control fan.etc. 1.Features The MH8822 integrated circuit is composed of the clock oscillating circuit, the reset circuit, the button switch instruction decoding circuit, the fan motor speed control circuit, the working condition and timing time indicator light display driver circuit, the buzzer driving circuit, the sync signal processing circuit and the remote control signal processing circuit.etc. 2.Pin functions and data The MH8822 integrated circuit is in the 28-pin double-row DIP package, the pin functions and data is as shown in the table. The pin-5 functions and data of the MH8822 integrated circuit 3.Typical application circuit The typical application circuit of the fan control system which is composed of the MH8822 integrated circuit is as shown in the figure.



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