AK09911 Datasheet, PDF (5/18 Pages) HuaXinAn Electronics CO.,LTD – 3-axis Electronic Compass

4.3. Pin Function
Pin No. Pin name I/O
A1
VDD
-
A2
CAD
I
A3
TST
I/O
Power
supply
-
VDD
VDD
B1
VSS
-
-
B3
SCL
I
VID
C1
VID
-
-
C2
RSTN
I
VID
C3
SDA
I/O
VID
[AK09911]
Type
Power
CMOS
CMOS
Power
CMOS
Power
CMOS
CMOS
Function
Positive power supply pin.
Slave address input pin.
Connect to VSS or VDD,
Test pin.
Pulled down by 100kΩ internal resister. Keep this pin
electrically non-connected.
Ground pin.
Control data clock input pin
Input: Schmidt trigger
Digital interface positive power supply pin.
Reset pin.
Resets registers by setting to “L”.
Control data input/output pin
Input: Schmidt trigger, Output: Open drain
ShortDatasheet-E-00
-5-
2014/1