sc16459 Silan, sc16459 Datasheet - Page 5

• Manufacturer Part Number: sc16459
• Description: Led Driver Ic Of 14~11 X 4~7 Segments Display
• Manufacturer: Silan

SERIAL COMMUNICATION FORMAT
SWITCHING CHARACTERISTIC WAVEFORM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Where:
The following diagram shows the SC16459 serial communication format.
RECEPTION (Data/Command Write)
SC16459 switching characteristics waveform is given below.
PW
t
t
t
T
setup
CLK-STB
TZH
TZL
CLK
<1 s
(rise time) 1 s
(data setup time)
OSC
STB
CLK
DIN
(clock pulse width) 400ns
Gn
(clock strobe time)
Sn
STB
CLK
DIN
50%
fosc
1
10%
90%
b0
PW
t
90%
10%
100ns
setup
CLK
t
t
TZH
TZL
2
b1
1 s
PW
3
t
CLK
hold
b2
PW
t
t
f
t
hold
THZ
OSC
TLZ
STB
= Oscillation Frequency
<10 s
(Data hold time)
(fall time) 10 s
(strobe pulse width)
t
t
7
THZ
TLZ
b6
8
b7
if data continues
T
CLK-STR
100ns
PW
1 s
STB
REV:1.1
SC16459
Page 5 of 8
2004.07.19