SC2268 데이터 시트보기 (PDF) - Silan Microelectronics
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SC2268 Datasheet PDF : 6 Pages
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Silan
Semiconductors
SC2268
4. TRANSMISSION CODE WAVEFORM
The transmission waveforms of the Start Word and the different Data Words generated when a specific input
key (I1~I8) is pressed are illustrated below (see also Transmission Code Pattern Sectioon):
CLK
start
W1
W2
W3
W4
W5
W6
W7
W8
1
0
X
X
3X
X=0.625ms
5. TRANSMISSION CODE PATTERN
The transmission code pattern of SC2268 is given in the table below.
LSB
MSB
Transmission
Receiver
C0 C1 C2 C3 C4 C5 C6 C7
Start word
0
0
1
1
0
0
1
1
B0 B1 B2 B3 B4 B5 B6 B7
Data Word
W1 (I1)
0
0
1
1
1
0
1
0
0/p1
(Key pressed)
W2 (I2)
0
1
0
1
1
0
0
0
0/p2
W3 (I3)
0
1
1
0
0
0
1
0
0/p3
W4 (I4)
1
0
0
1
1
1
0
0
0/p4
W5 (I5)
1
0
1
0
0
1
1
0
0/p5
W6 (I6)
1
0
1
1
0
0
0
1
0/p6
W7 (I7)
1
1
0
0
0
1
0
1
0/p7
W8 (I8)
1
1
0
1
0
0
1
0
0/p8
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
4
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