HT6240-002 Datasheet, PDF (1/14 Pages) Holtek Semiconductor Inc – Infrared Remote Encoder

HT6240-002
Infrared Remote Encoder
Features
· Operating voltage: 2.2V~3.6V
· Low power consumption
· Few external parts
Applications
· Television and video cassette recorder
controllers
· Garage door controllers
General Description
HT6240-002 is designed as infrared remote
encoders, usually applied to TV systems. The
4´8 key matrix input and the extension bit in-
Block Diagram
· 20-pin DIP/SOP package
24-pin SOP package
· Car door controllers
· Security systems
· Other remote control systems
put can transmit a max. of 256 instructions.
HT6240-002 have three different packages:
20-pin DIP, 20-pin SOP and 24-pin SOP.
PRB
O SCI
O SCO
TEST
IE 0
IE 1
IE 2
IE 3
D ATA
O SC
TEST
M ODE
IE -K E Y
E ncoder
8 - B it S h ift
R e g is te r
3´2²
D u ty 1 /3
10´2⁸
D iv id e r
K ey S can
O F0
D r iv e r
D ecoder
O F7
O u tp u t
S ta g e
CT
C o n tro l
U n it
C u s to m C o d e
& D A TA C ode
L a tc h
P a r a lle l to
S e r ia l
C o n v e rte r
VDD VSS
1
December 16, 1999