HT6240-002
Infrared Remote Encoder
Block Diagram
1 December 16, 1999
Features
·
Operating voltage: 2.2V~3.6V
·
Low power consumption
·
Few external parts
·
20-pin DIP/SOP package
24-pin SOP package
Applications
·
Television and video cassette recorder
controllers
·
Garage door controllers
·
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´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.
3
´
2
D u ty 1 /3
2
10
´
2
D ivider
8
TEST
MODE
OSC
TEST
VDD VSS
PRB
OSCI
OSCO
C ontrol
Unit
C ustom C ode
& D ATA C ode
Latch
Key Scan
Driver
D ecoder
O utput
Stage
OF0
OF7
IE -K E Y
Encoder
8-Bit Shift
R egister
DATA
IE 0
IE 1
IE 2
IE 3
P a ra lle l to
Serial
C onverter
CT
