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  Holtek Semiconductor Electronic Components Datasheet  

HT6P20B2 Datasheet

Remote Control Encoder

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HT6P20B2 pdf
DataSheet.in
HT6P20B2/D2/F2
Remote Control Encoder
Features
● Operating voltage: 2~12V
● Low power consumption
● Up to 5 data pins
● Up to 222 address codes
● Fully Integrated Oscillator
● Easy interfacing to RF medium
● CMOS technology
● High noise immunity
● 8-Pin SOP package
Application
● Burglar alarm systems
● Smoke and fire alarm systems
● Personal alarm systems
● Car/Garage door controllers
● Home/office/car security systems
● Cordless telephones
● Other remote control systems
General Description
The HT6P20X2 series of devices are signal encoders designed for remote control system
applications. The devices are capable of encoding 24 bits of information and then serially
transmitting the data on their output pin. A signal transmission is automatically activated when
any of the data input lines change from high to low. The device generates a signal on its output pin
which is composed of a pilot signal, address codes, data codes and an end code. This can be sent
to RF transmitter circuits for wireless transmission. Various configurations of address and data bits
can be chosen according to which device is selected. As all functions are integrated into the device,
the simple addition of switches and RF module is that is required to implement a full RF encoder
function. All devices are supplied in 8-pin SOP packages.
Selection Table
The devices encodes 24-bits of information however the address/data combination is selected
according to which part number is selected.
Part Number
HT6P20B2
HT6P20D2
HT6P20F2
Address
22
20
19
Data
2
4
5
Rev 1.00
1 June 23, 2010


  Holtek Semiconductor Electronic Components Datasheet  

HT6P20B2 Datasheet

Remote Control Encoder

No Preview Available !

HT6P20B2 pdf
DataSheet.in
HT6P20B2/D2/F2
Remote Control Encoder
Block Diagram
Internal
RC oscillator
System timing
D0
Control
Code
unit Generation
D1
Data
D2 Latch
D3
D4 Mix Data / Address
VDD
VSS
DOUT
Note: Address and Data combinations are available in various formats.
Pin Assignment
22 2- D - A a dt a d ir n e p s us t
D0 1
D1 2
VSS 3
NC 4
8 NC
7 VDD
6 DOUT
5 NC
H 8 T S6 PO 2 P 0 - BA 2
24 0- D - A a dt a d ir n e p s us t
VDD
VSS
DOUT
D0
18
27
36
45
H 8 T S6 PO 2 P 0 - DB 2
NC
D3
D2
D1
15 9- D - A a dt a d ir n e p s us t
VDD
VSS
DOUT
D0
18
27
36
45
H 8 T S6 PO 2 P 0 - FC 2
D4
D3
D2
D1
Pin Description
Pin Name
VDD
VSS
D0~D4
DOUT
Type
I
O
Description
Positive power supply
Negative power supply
Data input and transmission enable - active low
Connected to internal pull-high resistor
Pins can be pulled low or left open
Data serial transmission output pin
Output normally low when not transmitting
Approximate Internal Equivalent Circuits
Rev 1.00
2 June 23, 2010


Part Number HT6P20B2
Description Remote Control Encoder
Maker Holtek Semiconductor
Total Page 12 Pages
PDF Download
HT6P20B2 pdf
HT6P20B2 Datasheet PDF
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