BMA020 Bosch Sensortec, BMA020 Datasheet - Page 29
![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 9: The three wire SPI write protocol is identical to four wire bus
Figure 10: For three wire read protocol one extra clock between address byte and data out byte
is required. Output data are changed on SDI (SDI=SDA) by SCK rising edge and should be
latched by microprocessor during next SCK rising edge.
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
SCK
SDI
CSB
SCK
SDI
RW
RW
7
AD6
AD6
6
AD5
AD5
5
AD4
AD4
Digital, triaxial acceleration sensor
4
AD3
AD3
3
AD2
AD2
2
Data sheet
AD1
AD1
BMA020
Page 29
1
AD0
AD0
0
DI7
extra clock
*
DO7
DI6
7
DO6
DI5
6
DO5 DO4 DO3 DO2 DO1 DO0
DI4
5
DI3
4
DI2
3
Bosch Sensortec
DI1
2
DI0
30 May 2008
1
0