SC50462 데이터 시트보기 (PDF) - Unspecified

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SC50462

INFRARED REMOTE CONTROL TRANSMITTER

Unspecified 

Silan

Semiconductors

SC50462

6. KEY ON TIMING

When any key is pressed, the output pin-- OUT continuously generates the waveform described below until the

key is released.

KEY ON

44ms/46.4ms

OUT

1st

Frame

2nd

Frame

n-th

Frame

Note: Oscillator Frequency=480 or 455kHz

7. CARRIER WAVEFORM

The following is the carrier waveform diagram. A bit modulates 10 carrier waveforms.

1 Bit

10

pulses

Carrier

Wave

1/3 Duty Cycle

a

3a

a= 8.3µs/8.76µs

Note: Oscillator Frequency=480 or 455kHz

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 2.1 2002-02-28

7

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