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FXLS8471Q Datasheet, PDF (25/75 Pages) Freescale Semiconductor, Inc – Linear Accelerometer
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9
Register Map
Table 13. Register Address Map
Name
STATUS(1)(2)
Type
Register
Address
Auto-Increment Address
STATUS[f_mode] = 00, STATUS[f_mode] > 00, STATUS[f_mode] = 00, STATUS[f_mode] > 00,
CTRL_REG1[f_read] = 0 CTRL_REG1[f_read] = 0 CTRL_REG1[f_read] = 1 CTRL_REG1[f_read] = 1
Default
Hex
Value
Comment
R
0x00
0x01
0x00
Real-time, data-ready
status or FIFO status
(DR_STATUS or
F_STATUS)
OUT_X_MSB(1)(2)
R
0x01
0x02
0x01
0x03
0x01
Data
[7:0] are 8
MSBs of
14-bit
sample.
Root
pointer to
XYZ FIFO
data.
OUT_X_LSB(1)(2)
R
0x02
0x03
0x00
Data
[7:2] are 6 LSBs of
14-bit sample
OUT_Y_MSB(1)(2)
R
0x03
0x04
0x05
0x00
Data
[7:0] are 8 MSBs of
14-bit sample
OUT_Y_LSB(1)(2)
R
0x04
0x05
0x00
Data
[7:2] are 6 LSBs of
14-bit sample
OUT_Z_MSB(1)(2)
R
0x05
0x06
0x00
Data
[7:0] are 8 MSBs of
14-bit sample
OUT_Z_LSB(1)(2)
R
0x06
0x00
0x00
Data
[7:2] are 6 LSBs of
14-bit sample
Reserved
F_SETUP(1)(3)
—
0x07-
0x08
R/W 0x09
—
0x0A
— Reserved, do not modify
0x00
FIFO setup
TRIG_CFG
SYSMOD(1)(2)
INT_SOURCE(1)(2)
WHO_AM_I(1)
R/W 0x0A
R
0x0B
R
0x0C
R
0x0D
0x0B
0x0C
0x0D
0x0E
0x00
FIFO event trigger
configuration register
Output Current system mode
Output
Interrupt status
0x6A
Device ID
XYZ_DATA_CFG(1)(4)
R/W 0x0E
0x0F
0x00
Acceleration dynamic
range and filter enable
settings
HP_FILTER_CUTOFF(1)(4) R/W 0x0F
0x10
0x00
Pulse detection high-
pass and low-pass filter
enable bits. High-pass
filter cutoff frequency
selection
PL_STATUS(1)(2)
R
0x10
0x11
0x00
Landscape/Portrait
orientation status
PL_CFG(1)(4)
R/W 0x11
0x12
0x83
Landscape/Portrait
configuration.
PL_COUNT(1)(3)
R/W 0x12
0x13
0x00
Landscape/Portrait
debounce counter
PL_BF_ZCOMP(1)(4)
R/W 0x13
0x14
0x00
Back/Front Trip angle
threshold
PL_THS_REG(1)(4)
R/W 0x14
0x15
0x1A
Portrait to Landscape
Trip Threshold angle
and hysteresis settings
A_FFMT_CFG(1)(4)
R/W 0x15
0x16
0x00
Freefall/Motion function
configuration
A_FFMT_SRC(1)(2)
R
0x16
0x17
0x00
Freefall/Motion event
source register
A_FFMT_THS(1)(3)
R/W 0x17
0x18
0x00
Freefall/Motion
threshold register
Sensors
Freescale Semiconductor, Inc.
FXLS8471Q
25
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