sc2268-00 Silan, sc2268-00 Datasheet - Page 4

• Manufacturer Part Number: sc2268-00
• Description: Fan Remote Control Encoder
• Manufacturer: Silan

4. TRANSMISSION CODE WAVEFORM
key (I1~I8) is pressed are illustrated below (see also Transmission Code Pattern Sectioon):
5. TRANSMISSION CODE PATTERN
The transmission code pattern of SC2268 is given in the table below.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Start word
Data Word
(Key pressed)
The transmission waveforms of the Start Word and the different Data Words generated when a specific input
CLK
start
W1
W2
W3
W4
W5
W6
W7
W8
Tx OUT
I1 ~ I8
Transmission
Word
20ms
Start
W1 (I1)
W2 (I2)
W3 (I3)
W4 (I4)
W5 (I5)
W6 (I6)
W7 (I7)
W8 (I8)
1 Frame = 80ms
Word
Data
Word
Data
80ms
Space
LSB
C0
B0
0
0
0
0
1
1
1
1
1
Word
Start
1
0
C1
B1
X
0
0
1
1
0
0
0
1
1
Word
Data
*OSC = 455kHz
3X
Word
Data
C2
B2
1
1
0
1
0
1
1
0
0
X
Space
X=0.625ms
C3
B3
1
1
1
0
1
0
1
0
1
C4
B4
0
1
1
0
1
0
0
0
0
Word
Start
Word
C5
B5
Data
0
0
0
0
1
1
0
1
0
Word
Data
C6
B6
1
1
0
1
0
1
0
0
1
REV: 1.0
Space
MSB
C7
B7
1
0
0
0
0
0
1
1
0
SC2268
Page 4 of 7
Receiver
2004.08.03
0/p1
0/p2
0/p3
0/p4
0/p5
0/p6
0/p7
0/p8