BMA222-SHUTL Bosch Sensortec, BMA222-SHUTL Datasheet - Page 23

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BMA222-SHUTL

Manufacturer Part Number
BMA222-SHUTL
Description
BMA222 DAUGHTERCARD FOR DEV KIT
Manufacturer
Bosch Sensortec
Series
-r
Datasheets

Specifications of BMA222-SHUTL

Sensor Type
Accelerometer, 3 Axis
Sensing Range
±2g, 4g, 8g, 16g
Interface
I²C, Serial, SPI
Sensitivity
64LSB/g, 32LSB/g, 16LSB/g, 8LSB/g
Voltage - Supply
-
Embedded
No
Utilized Ic / Part
BMA222
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
828-1026
An interrupt is generated if its activation condition is met. It can not be cleared as long as the
activation condition is fulfilled. In the non-latched mode the interrupt status bit and the selected
pin (the contribution to the ´or´ condition for INT1 and/or INT2) are cleared as soon as the
activation condition is no more valid. Exceptions to this behaviour are the new data, orientation,
and flat interrupts, which are automatically reset after a fixed time.
In the latched mode an asserted interrupt status and the selected pin are cleared by writing ´1´
to bit (0x21) reset_int. If the activation condition still holds when it is cleared, the interrupt status
is asserted again with the next change of the acceleration registers.
In the temporary mode an asserted interrupt and selected pin are cleared after a defined period
of time. The behaviour of the different interrupt modes is shown graphically in figure 5:
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.
latch_int
(0x21)
0000b
0001b
0010b
0011b
0100b
0101b
0110b
0111b
1000b
1001b
1010b
1011b
1100b
1101b
1110b
1111b
Table 14: Interrupt mode selection
Figure 5: Interrupt modes
Data sheet
BMA222
Page 23
temporary, 12.5ms
temporary, 250ms
temporary, 500ms
temporary, 500μs
temporary, 500μs
temporary, 25ms
temporary, 50ms
Interrupt mode
temporary, 1ms
temporary, 1s
temporary, 2s
temporary, 4s
temporary, 8s
non-latched
non-latched
latched
latched
Bosch Sensortec
07 March 2011

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