AK09912 Datasheet, PDF (37/42 Pages) HuaXinAn Electronics CO.,LTD – 3-axis Electronic Compass

9. Example of Recommended External Connection
9.1. I²C Bus Interface
[AK09912]
Host CPU
Power for I/F
VID
POWER 1.65V to Vdd
VDD
POWER 1.7V to 3.6V
Slave address select
CAD1 CAD0 address
VSS VSS 0 0 0 1 1 0 0 R/W
VSS VDD 0 0 0 1 1 0 1 R/W
VDD VSS 0 0 0 1 1 1 0 R/W
VDD VDD 0 0 0 1 1 1 1 R/W
GPIO
I²C I/F
RSTN
CAD1 CAD0 D
T^VST^ID2
AK09912C
C
TRG TST1 VSS
(Top view)
B
SO
TST2
VDD
SDA SCL
/SI
/SK
4
3
CSB DRDY _A
2
1
0.1µF
0.1µF
Interrupt
Pins of dot circle should be kept non-connected.
MS1547-E-02
- 37 -
2014/7