BMA020 Bosch Sensortec, BMA020 Datasheet - Page 26
![3-AXIS ACCELEROMETER DIGITAL I/F](/photos/18/36/183629/bma020_sml.jpg)
BMA020
Manufacturer Part Number
BMA020
Description
3-AXIS ACCELEROMETER DIGITAL I/F
Manufacturer
Bosch Sensortec
Datasheet
1.BMA020.pdf
(50 pages)
Specifications of BMA020
Axis
X, Y, Z
Acceleration Range
± 2g, 4g, 8g
Sensitivity
256LSB/g, 128LSB/g, 64LSB/g
Voltage - Supply
2 V ~ 3.6 V
Output Type
Digital
Bandwidth
3kHz
Interface
I²C, SPI
Mounting Type
Surface Mount
Package / Case
12-LGA
For Use With
828-1014 - BMA020 TRIBOX DEMO BOARD W/USB828-1008 - BMA020 DAUGHTERCARD FOR DEV KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
828-1000-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BMA020
Manufacturer:
BOSCH/博世
Quantity:
20 000
Figure 6: When write is required, sequences of 2 bytes are necessary: 1 control byte to define
the address to be written and the data byte.
Figure 7: When read access is required, the sequence consists of 1 control byte to define first
address to be read followed by data bytes. Addresses are automatically incremented as long as
CSB stays active low.
Rev. 1.2
© 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.
CSB
CSB
Start
Start
=
0
=
0
RW
RW
0
1
0
0
0
0
Register adress (16h)
Register adress (02h)
Control byte
Control byte
1
0
0
0
0
1
1
1
0
0
X
X
Digital, triaxial acceleration sensor
X
X
Data register - adress 1Eh
Data register - adress 02h
X
X
Data byte
Data byte
X
X
X
X
X
X
Data sheet
BMA020
Page 26
X
X
X
X
RW
X
0
X
0
Data register - adress 03h
0
X
Register adress (0Bh)
Control byte
Data byte
X
0
X
1
X
0
X
1
X
1
X
X
X
X
Data register - adress 04h
Data register - adress 02h
Bosch Sensortec
X
X
Data byte
Data byte
X
X
30 May 2008
X
X
X
X
X
X
X
X
Stop
CSB
Stop
CSB
=
1
=
1