AAT1142 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
'AAT1142' PDF : 21 Pages View PDF
SwitchRegTM
PRODUCT DATASHEET
AAT1142
800mA Voltage-Scaling Step-Down Converter
2.5
2.0
1.8
(default)
1.5
1.0
0.5
0.0
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 32
I2C/S2Cwire Register
Figure 2: AAT1142 Graphical Output Voltage Programming Map.
SDA
START
STOP
SDA
SCL
SCL
Figure 3: I2C Start and Stop 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
Slave Address
Figure 4: I2C Address Bit Map;
7-bit Slave Address (A6-A0), 1-bit Read/Write (R/W), 1-bit Acknowledge (ACK).
1142.2009.08.1.1
www.analogictech.com
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