BMA250 Bosch Sensortec, BMA250 Datasheet - Page 61

• Manufacturer Part Number: BMA250
• Description: 3-AXIS ACCELEROMETER DIGITAL I/F
• Manufacturer: Bosch Sensortec
• Series: -r

Specifications of BMA250

• Featured Product: BMA250 - Digital, Triaxial Acceleration Sensor
• Axis: X, Y, Z
• Acceleration Range: ±2g, 4g, 8g, 16g
• Sensitivity: 256LSB/g, 128LSB/g, 64LSB/g, 16LSB/g
• Voltage - Supply: 1.62 V ~ 3.6 V
• Output Type: I²C™, SPI™
• Bandwidth: 8Hz ~ 1kHz
• Interface: I²C, SPI
• Mounting Type: Surface Mount
• Package / Case: 12-VQFN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With: 828-1024 - BMA250 DAUGHTERCARD FOR DEV KIT
• Other names: 828-1023-2

Example of an I²C read access:
Rev. 1.0
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to 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.
Start
Start
Sr
S
0
0
0
0
Slave Adress
Slave Adress
1
1
1
1
0
0
0
0
0
0
RW ACKS
RW ACKS
0
1
…
…
Page 61 / not for publishing
X
X
X
X
Figure 17: I²C multiple read
0
X
X
X
0
X
X
X
Read Data (0x02)
Read Data (0x04)
Read Data (0x06)
Register adress (0x02)
Data sheet
BMA250
Control byte
Data byte
Data byte
Data byte
X
X
X
0
X
X
X
0
0
X
X
X
1
X
X
X
X
X
X
0
ACKM
ACKM
ACKM
ACKS
Stop
P
X
X
X
X
X
X
X
X
X
Read Data (0x03)
Read Data (0x05)
Read Data (0x07)
Data byte
Data byte
Data byte
X
X
X
X
X
X
Bosch Sensortec
03 March 2011
X
X
X
X
X
X
X
X
X
ACKM
ACKM
NACK
Stop
…
…
P