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Communication Parameters
•
Baud rate : 9600 bps (UART)
•
Data length : 8 bits
•
Parity : None
•
Stop bit : 1 bit
•
Communication code : ASCII code
•
Use a crossed (reverse) cable.
IR OUT Using Guide
Suitable / Not Recommend remote-controller data format
Item
Formats
Suitable data format
NEC, RC5, Toshiba
Not recommend data format
Continuous data format (short burst/gap signal)
IR Receiver specifications
Carrier frequency
37.9 KHz
Peak Wavelength
940 nm
Minimum burst length
Min. 300 us
Minimum gap time is required of
Min. 350 us
Data word length
Max. 100 ms
Minimum gap time in the data stream is needed of
Min. 50 ms
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
High Level Out Pulse Width
Twh
Burst Wave = 600 µs
Period = 1.2 ms
400
-
800
µs
Low Level Out Pulse Width
Twl
400
-
800
µs
•
If not use the remote-controller with data formats recommended, IR output signals will be
suppressed automatically by IR receiver.
•
In this case, LG does not guarantee IR working function.
•
To make sure of this matter, here are two methods as below.
-
Use the remote-controller with suitable data formats.
-
Use the IR dongle receiver of the set-top box.
Summary of Contents for LU34 T Series
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