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IR CODES
1. How to Connect
_ Connect your wired remote control
to the Remote Control
port on the TV.
2. Remote Control
IR Codes
_ Output
waveform
Single pulse, modulated
with 3Z917KHz
signal at 455KHz
Tc
_ Configuration
of
frame
1st frame
Carrier frequency
FCAR = 1/TC
= fOSC/12
Duty ratio = T1/TC
= 1/3
Repeat frame
__Fq
_ Lead code
_ Repeat code
9ms
2.25
ms
m
z
_D
x
_ Bit description
Bit "0"
r.
_
i
o.56ms
[
i
i,
I
1.12ms
Bit "I "
f
2.24 ms
_ Frame interval:
Tf
The waveform is transmitted as long as a key is depressed.
Tf
o!
1
Fqm
Tf
I
Tf=l
08ms
@4SSKHz
101
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