CMA3000-D0X Datasheet, PDF (16/35 Pages) VTI technologies – 3-axis accelerometer

CMA3000-D0X Series
Address: 0Bh
Register name: FFTHR, Free fall threshold value register
Bits
Mode
Initial
Value
Name
Description
7:5
0h
Reserved, write these bits to '000'
4:0
RW
8h FFTHR[5:0] Free fall detection threshold level absolute value. See
detailed bit level weighting in Table 7 below.
Table 7. Bit level description in [mg] for free fall detection threshold of CMA3000-D01.
Range G_RANGE
B5
B4
B3
B2
B1
B0
2g
1
143
71
36 1/56=18 mg x
x
8g
0
x
x
571
286
143 1/14 = 71 mg
x=not used bit
Address: 0Ch
Register name: I2C_ADDR, Device address for I²C bus
Bits
Mode
Initial
Value
Name
Description
7
0
Reserved
6:0
RW
1Ch
ADDR[6:0] 7-bit device address for I²C bus. Register content is
non-volatile.
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