KX022-1020 Datasheet, PDF (39/75 Pages) List of Unclassifed Manufacturers – Accelerometer Specifications

± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX022-1020
Rev. 11.0
10-Sep-15
CNTL1
Read/write control register that controls the main feature set.
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PC1
RES DRDYE GSEL1 GSEL0 TDTE WUFE
TPE
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
I²C Address: 0x18h
Reset Value
00000000
PC1 controls the operating mode of the KX022. When in RES = 0, please allow 1.2/ODR
delay time when transitioning from stand-by PC1 = 0 to operating mode PC1 = 1 to
allow new settings to load.
0 = stand-by mode
1 = operating mode
RES determines the performance mode of the KX022. The noise varies with ODR, RES and
different LP_CNTL settings possibly reducing the effective resolution. Note that to
change the value of this bit, the PC1 bit must first be set to “0”.
0 = low current.
1 = high current. Bandwidth (Hz) = ODR/2
DRDYE enables the reporting of the availability of new acceleration data as an interrupt. Note
that to change the value of this bit, the PC1 bit must first be set to “0”.
0 = availability of new acceleration data is not reflected as an interrupt
1 = availability of new acceleration data is reflected as an interrupt
GSEL1, GSEL0 selects the acceleration range of the accelerometer outputs per Table 16.
Note that to change the value of this bit, the PC1 bit must first be set to “0”.
GSEL1
0
0
1
GSEL0
0
1
0
Range
±2g
±4g
±8g
Table 16: Selected Acceleration Range
TDTE enables the Directional Tap^TM function that will detect single and double tap events.
Note that to change the value of this bit, the PC1 bit must first be set to “0”.
TDTE = 0 – disable
TDTE = 1 - enable
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