红外线风扇控制IC

FEATURES
●  Wide operation voltage range, 2.2V to 5V 
●  Eight data key control
●  Option of **-key or multi-key control
●  Two custom codes to separate products
●  Auto power off for saving power
●  LED output to indicate transmission status
●  Direct infrared LED 38KHz mediation output
●  Low power consumption
PIN DESCRIPTION
Pin Name	I/O	Function
C1,C2	I	Custom Code
K1~K8	I	Remote Control Key Inputs
(Built-In Pull-Low Resistor)
Vss	POWER	Negative Power Supply (Substrate)
OSCI	I	455KHz XTAL OSC Pin
OSCO	O	455KHz XTAL OSC Pin
DOUT	O	Signal Output
LEDO	O	Transmission Indicator
VDD	POWER	Positive Power Supply