Datasheet

Datasheet
BMM150 Geomagnetic Sensor
Page 41
BST-BMM150-DS001-01 | Revision 1.0 | April 2013 Bosch Sensortec
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third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
7. Pin-out and connection diagram
7.1 Pin-out
Figure 16 depicts the bump association. The arrows indicate the A1 marking.
Figure 16: Pin-out bottom view, Pin-out top view
Table 32: Pin description
Pin
Name
I/O Type
Description
Connect to
SPI 4W
SPI 3W
I²C
A1
PS
In
Protocol select
GND
GND
V
DDIO
D2
INT
Out
Interrupt output
INT input or DNC if unused
A5
CSB
In
Chip Select
CSB
CSB
GND for default
address
C5
GND
Supply
Ground
GND
E1
GND
Supply
Ground
GND
D4
DRDY
Out
Data ready
DRDY input or DNC if unused
C1
SDO
Out
SPI: Data out
SDO /
MISO
DNC
(float)
GND for default
address
B4
SDI
In/Out
SPI: Data,
I²C: Data
SDI /
MOSI
SDI/SDO
SDA
E3
GND
Supply
Ground
GND
E5
VDD
Supply
Supply voltage
V
DD
B2
VDDIO
Supply
I/O voltage
V
DDIO
A3
SCK
In
Serial clock
SCK
SCK
SCL
SDOGND
VDDIOINT
GND SCK
SDI
CSBGND
DRY
A1 corner
VDD
PS
1
2
3
4
5
ABCDE
GND SDO PS
VDDIO
SCKGND
DRY SDI
VDD GND CSB
INT
5
4
3
2
1
ABCDE
A1 corner
BOTTOM VIEW
(Bumps visible)
TOP VIEW
(Bumps not visible)