KXTI9-1001 Datasheet, PDF (20/54 Pages) List of Unclassifed Manufacturers – 2g/4g/8g Tri-axis Digital Accelerometer Specifications

± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KXTI9-1001
Rev. 2
Jul-2011
DCST_RESP
This register can be used to verify proper integrated circuit functionality. It always has a byte value of
0x55h unless the DCST bit in CTRL_REG3 is set. At that point this value is set to 0xAAh. The byte
value is returned to 0x55h after reading this register.
R
DCSTR7
Bit7
R
DCSTR6
Bit6
R
DCSTR5
Bit5
R
DCSTR4
Bit4
R
DCSTR3
Bit3
R
R
R
DCSTR2 DCSTR1 DCSTR0
Bit2
Bit1
Bit0
I²C Address: 0x0Ch
Reset Value
01010101
WHO_AM_I
This register can be used for supplier recognition, as it can be factory written to a known byte value.
The default value is 0x04h.
R
WIA7
Bit7
R
WIA6
Bit6
R
WIA5
Bit5
R
WIA4
Bit4
R
WIA3
Bit3
R
R
R
WIA2
WIA1
WIA0
Bit2
Bit1
Bit0
I²C Address: 0x0Fh
Reset Value
00000100
Tilt Position Registers
These two registers report previous and current tilt position data that is updated at the user-defined
ODR frequency and is protected during register read. Table 9 describes the reported position for each
bit value.
TILT_POS_CUR
Current tilt position register
R
R
R
R
R
R
R
R
0
0
LE
RI
DO
UP
FD
FU
Reset Value
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
I²C Address: 0x10h
00100000
TILT_POS_PRE
Previous tilt position register
R
R
R
0
0
LE
Bit7
Bit6
Bit5
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R
RI
Bit4
R
DO
Bit3
R
R
R
UP
FD
FU
Bit2
Bit1
Bit0
I²C Address: 0x11h
Reset Value
00100000
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