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HT6230 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part # HT6230
Description  Infrared Remote Encoder
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT6230 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT6230
Infrared Remote Encoder
Block Diagram
1
April 19, 2000
General Description
The HT6230 is designed as infrared remote en-
coder, usually applied to TV systems. A total of
2048 different commands can be generated and
arranged into 32 systems where each system
contains 64 different commands. There are 96
keys and to each key is assigned one program-
mable code. The code is programmable by mask
option. Legal and illegal key operation can be
distinguished.
Features
·
Operating voltage: 2.4V~5.2V
·
32 system codes, each system with
64 command codes
·
Programmable transmission codes
·
Biphase transmission method
·
Generated modulation output data
(1/2 system frequency and 1/4 duty cycle)
·
Single pin oscillator
·
429kHz resonator system clock
·
Test pins available
·
28-pin SOP package
2
D i v i d e r
13
3 ´ 2 1
RC
OS C
TT 1
VD D
VSS
OS C
Mo d e
S e le c t io n
P a r a lle l
To S e r i a l
C onv er t e r
CO DE
MC O D E
TT 2
Z- k e y
En c o d e r
X- k e y
En c o d e r
XI N7
XI N0
ZI N0
Re s e t
Ac t i o n
Ge n e r a t o r
Z- k e y
PA L
X- k e y
PA L
C o m m and
An d
S yst e m
C o de Lat c h
Z - DRS
PAL
X- D R S
PAL
Ke y Sc a n
Dr i v e r
D e c ode r
Ou t p u t
St a g e
M o du l a t i on
Ou t p u t
S t age
MS
DRS 7
DRS 0
ZI N3
Te s t
M ode
Co n t r o l
Un i t
Applications
·
Televisions and video cassette recorder
controllers
·
Garage door controllers
·
Car door controllers
·
Security systems
·
Other remote control systems


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