AS1109 데이터 시트보기 (PDF) - austriamicrosystems AG
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AS1109 Datasheet PDF : 25 Pages
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AS1109
Datasheet - Detailed Description
Figure 12. Data Input Timing Diagram
OEN
LD
8 CLK Pulses
tSU(L
tSU(OE)
tW(OE)
tW(L)
CLK
tSU(D)
SDI
Data Bit Data Bit Data Bit Data Bit Data Bit Data Bit Data Bit Data Bit
7
6
5
4
3
2
1
0
tH(D)
SDO
Old Data Old Data Old Data Old Data Old Data Old Data Old Data Old Data
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
tP1
Figure 13. Data Input Example Timing Diagram
Time = 0
1
2
3
4
5
6
7
CLK
SDI
D7
D6
D5
D4
D3
D2
D1
D0
LD
OEN
OUTN0
OUTN1
OUTN2
OUTN3
OUTN4
OUTN5
OUTN6
OUTN7
Don’t Care
Don’t Care
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
www.ams.com/LED-Driver-ICs/AS1109
Revision 1.21
9 - 24
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