S5G9803X01 データシートの表示（PDF） - Samsung

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S5G9803X01

INFRAED REMOCON RECEIVER

Samsung 

S5G9801X01/S5G9803X01

INFRAED REMOCON RECEIVER

READER

DATA ‘0’

Receiving Data

Register Clock

(REGCK)

Check Pulse

(CHP)

READER DATA ‘1’

0.42ms 0.84ms

Figure 7.

5. CODE BIT COMPARISON

In order to prevent interference with other machines and apparatuses, C1, C2 and C3 code bits are provided for

checking whether or not the transmitter codes agree to the receiver codes.

Only when both codes agree, the internal latch pulse is generated to latch receiving data, and output is raised from

“L” level to “H” level.

If both codes do not agree, latch pulse is not generated and output remains at “L” level.

Code bits used differ depending on receiver as shown below:

CODE BIT

C1

C2

C3

C2

0

1

1

0

1

1

S5G9801X01C2, ⋅⋅⋅⋅⋅⋅ C3 is used.

S5G9803X01C1, ⋅⋅⋅⋅⋅⋅ C2 is used.

* CODE BIT “0”, “0” cannot be used.

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