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IRCodes
I_
Connect your wired remote control to the Remote Control port on the TV.
I_ Output waveform
Single pulse, modulated with 37.917KHz
signal at 455KHz
Tc
__J--I__I--[__
I-°-tTt
I_ Configuration
of frame
• 1st frame
I
Lead
Low
custom code
_]e
COC1 C2C3C4C5C6C7
• Repeat frame
__1
_
Repeat
code
I_ Lead code
__[
I_
9 ms
Carrier frequency
FCAR = 1/Tc = fosc/12
Duty ratio = T1/Tc = 1/3
High
custom code
CO C1 C2 C3 C4 C5 C6 C7
Tf
I_ Repeat code
__[
9ms
Data code
DO D1 D2 D3 D4 D5 D6 D7
I
I
_1 _
4.5 ms
I
I
Data code
2.25 ms
Bit description
• Bit "0"
mlmlm
o._.._
_ I
I-_
1.12 ms
• Bit "1"
m] m]
I-_
2.24 ms
I1_ Frame interval
: Tf
The waveform
is transmitted
as long as a key is depressed.
Tf
_1
TM
mJ
i
I_ i
Tf
Tf=108ms
@455KHz
Yl
46
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