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Controlling the Multiple Product
RS-232C
A12
IR Codes
RS-232C
A12
Remote Control IR Code
How to connect
► Output waveform
single pulse, modulated with 37.917 kHz signal at 455 kHz
► Connect your wired remote control to Remote Control port on the Product.
► Configuration of frame
T1
Tc
▪
Repeat frame
Tf
Repeat code
► Repeat code
2.25 ms
9 ms
0.55 ms
► Frame interval : Tf
Tf
Tf
Tf = 108 ms @ 455 kHz
Lead
code
Low
custom code
High
custom code
Data code
Data code
C0 C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
► Lead code
9 ms
4.5 ms
Carrier frequency
FCAR = 1 / Tc = fosc / 12
Duty ratio = T1 / Tc = 1 / 3
▪
1st frame
► Bit description
0.56 ms
1.12 ms
0.56 ms
2.24 ms
▪
Bit "0"
▪
Bit "1"
▪
The waveform is transmitted as long as a key is depressed.