SC5262 데이터 시트보기 (PDF) - Silan Microelectronics

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SC5262

REMOTE CONTROL ENCODER

Silan Microelectronics 

Silan

Semiconductors

Encoder OSC Frequency

100

R=510kΩ

R=1MΩ

R=2MΩ

R=3.3MΩ

10

R=4.7MΩ

SC5262

Decoder OSC Frequency

1000

R=100kΩ

R=240kΩ

100

R=510kΩ

R=1MΩ

10

R=2MΩ

1

0

3

6

9

12

15

Supply Voltage (V)

1

0

3

6

9

12

15

Supply Voltage (V)

Suggested Oscillator resistor values are shown below:

SC5262

4.7MΩ

3.3MΩ

1.2MΩ

SC5272

820kΩ

680kΩ

200kΩ

2. IR OPERATION

In the IR Type of operation, the functions are similar to the above descriptions except for the output waveform

that has a carrier frequency of 38kHz. Details are as follow.

Code Bits

The Code Bits are further modulated with a 38kHz carrier frequency and can be”0”,”1” or “ f ” bit. Their waveform

are shown below:

160λ

OSC

20λ

"0"

60λ

"1"

"f"

Sync

620λ

Note:λ=2 clock lengths

Code Word

A Code Word is made up of code bits and the format is the same as that of the RF Code Word.

Code Frame

Likewise, a Code Frame is made up of Code Words and the format is the same as that of RF type of operation.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

5

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