Reference: ir codes, Remote control connection, Remote control ir codes – LG STB1000 User Manual

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Reference: IR Codes

Confi guration of Frame

1st

frame

Repeat

frame

Lead Code

Repeat Code

Bit Description

Frame Interval: Tf

The waveform is transmitted as long as a key is depressed.

Bit “0”

Bit “1”

Remote Control Connection

Connect your wired remote control to the REMOTE CONTROL OUT port on the STB1000 jack panel.

Remote Control IR Codes

Output Waveform
Single pulse, modulated with 37.917KHz signal at 455KHz

Carrier Frequency

FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3

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

Low custom code

High custom code

Data code

Data code

T1

Tc

Repeat code

Tf

4.5 ms

9 ms

2.25 ms

9 ms

0.55 ms

0.56 ms

1.12 ms

0.56 ms

2.24 ms

Tf

Tf

Tf=108ms @455KHz

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