Datasheet

BMM150 Geomagnetic Sensor

Page 40

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.

Example of an I²C multiple read accesses:

Figure 15: Example of an I²C multiple read access

Start

RW ACKS

dummy

0

0

1

0

0

0

0

0

X

0

0

0

0

0

1

0

Start

RW ACKS

ACKM

ACKM

0

0

1

0

0

0

0

1

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

…

ACKM

ACKM

…

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

…

ACKM

NACK

Stop

…

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Data byte

Data byte

Read Data (0x04)

Read Data (0x05)

P

Data byte

Data byte

Read Data (0x06)

Read Data (0x07)

S

Slave Adress

Register adress (0x02)

Slave Adress

Read Data (0x03)

Read Data (0x02)

Control byte

P

Data byte

Data byte

Sr