AAT1282 Datasheet, PDF (13/22 Pages) Skyworks Solutions Inc. – 2A Driver for High Intensity LED Camera Flash

SDA
SCL
START
DATA SHEET
AAT1282
2A Driver for High Intensity LED Camera Flash
STOP
SDA
SCL
Figure 3: I²C STOP and START Conditions.
START: A High “1” to Low “0” Transition on the SDA Line While SCL is High “1”
STOP: A Low “0” to High “1” Transition on the SDA Line While SCL is High “1”
SCL
1
2
3
4
5
6
7
8
9
MSB
LSB
SDA
A6
A5
A4
A3
A2
A1
A0
R/W
ACK
Device Address
Figure 4: I²C Address Bit Map;
7-bit Slave Address (A6-A0), 1-bit Read/Write (R/W), 1-bit Acknowledge (ACK).
SCL
SDA
1
MSB
D7
2
3
4
5
6
7
D6
D5
D4
D3
D2
D1
Register Address /
Data
Figure 5: I²C Register Address and Data Bit Map;
8-bit Data (D7-D0), 1-bit Acknowledge (ACK).
8
9
LSB
D0
ACK
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202305C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013