
Data sheet
BMA220
Page 8
BST-BMA220-DS003-08 | Revision 1.15 | August 2011 Bosch Sensortec
© 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.
3. Block diagram
The following figure describes the functionality of the two basic parts of the sensor module,
namely mechanical sensor element and evaluating ASIC.
Figure 1: Block diagram BMA220
ASIC
VDDA
INT
C
1X
C
2X
C
1
C
2
C
1Z
C
2Z
C
M
Mulitplexer
C/U
Control Logic
and
Interrupt Engines
I
2
C
SPI
Filte
Gain &
Offset
FilterX
Filte
Z
DC
Reference Trimming OTP Clock
CAP0
CSB
SCL
SCK
SDO
SDA
SDI
D
PS
VSS VDDD VDDIO
Sensor
Element
VSS
Mulit
lexer
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