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Reference
IR Codes
:,i_!:
!,,, ,,!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!_:
!:::!i
!!i_ ,!!i::
!,,!!,_
;i :!_i_,
:!:,,,!!ii
_! !!i !i ! !!!!!!!!!!!,,
!i,_ !!!!!
_!_i:,
I_
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
Carrier frequency
__J_.__J___
FOAR=I/Tc=
fosc/12
I_)'_
T1
Duty ratio = T1/Tc = 1/3
•
Configuration
of frame
• 1st frame
I Lead
Low
High
Data code
custom code
custom code
I
_]e _C2_C3_4_5_CG_C7_C2_C3_4_5_CG_C7_D_D_D2_D3_D4_D+6_D7__
tl
• Repeat frame
__J
I__V1
_
Repeat
code
_
•
Lead code
__J
L
I
9 ms
_1_
_1_
•
Repeat code
__J
9 ms
F
Tf
_'1
J
4.5 ms
_-- I
- 0,55 ms
2,25 ms
•
Bit description
• Bit "0"
mi
[
I_
1,12 ms
• Bit "1"
mj -m]
I_
2,24 ms
•
Frame interval
: Tf
The waveform is transmitted
as long as a key is depressed.
Tf
Tf
__I--]
N I
Tf=108ms
@455KHz
108
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