HT6240-002
Infrared Remote Encoder
Features
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Operating voltage: 2.2V~3.6V
Low power consumption
Few external parts
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20-pin DIP/SOP package
24-pin SOP package
Applications
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Television and video cassette recorder
controllers
Garage door controllers
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Car door controllers
Security systems
Other remote control systems
General Description
HT6240-002 is designed as infrared remote
encoders, usually applied to TV systems. The
4麓8 key matrix input and the extension bit in-
put can transmit a max. of 256 instructions.
HT6240-002 have three different packages:
20-pin DIP, 20-pin SOP and 24-pin SOP.
Block Diagram
P R B
O S C I
O S C O
8
O S C
3
麓
2
2
D u ty 1 /3
1 0
麓
2
D iv id e r
K e y S c a n
D r iv e r
D e c o d e r
O u tp u t
S ta g e
O F 0
O F 7
C T
T E S T
T E S T
M O D E
IE 0
IE 1
IE 2
IE 3
IE -K E Y
E n c o d e r
C o n tro l
U n it
D A T A
8 - B it S h ift
R e g is te r
C u s to m C o d e
& D A T A C o d e
L a tc h
P a r a lle l to
S e r ia l
C o n v e rte r
V D D
V S S
1
December 16, 1999