iR Codes
Reference
Connect your wired remote control to the Remote Control port on the TV.
_* Output waveform
Single pulse, modulated with 37.917KHz signal at 455KHz
Tc
IH I Carrier frequency
___[___.__ FOAR=I/Tc= fOSC/12
I_F_ T1 Duty ratio = T1/Tc = 1/3
Configuration of frame
o 1st frame
I Lead Low High Data code
custom code custom code I
IL_ei_1_2_3_4_5_6_7i_1_2_3_4_5_6_7i°_D1_D2_°3_°_D5_D_°_i__i
o Repeat frame
__1 [__1-!
_ Repeat code _ Tf
Lead code
__1 [ I
_ 9ma .+_ 4,Sma71
_* Repeat code L_0.55 ms
__1 [__Jq
_ 9ma _1_1
2.25 ms
_* Bit description
o Bit "0"
m_ m]
1.12 ms
• Bit "1"
_* Frame interval : Tf
The waveform is transmitted as long as a key is depressed.
Tf Tf
___--I N!
Tf=lO8ms (@455KHz
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