FXLS8971CF datasheet(3/100 Pages) NXP

3 / 100 page

NXP Semiconductors

FXLS8971CF

3-Axis Low-g Accelerometer

5 Block diagram

aaa-040827

6D ORIENTATION

DETECTION FUNCTION

(PORTRAIT/LANDSCAPE/

UP/DOWN)

WAKE POWER MODE

WAKE ODR (HPM/LPM);

DECIMATION[WAKE],

IDLE_TIME[WAKE] (FPM)

SLEEP POWER MODE

SLEEP ODR (HPM/LPM);

DECIMATION[SLEEP],

IDLE_TIME[SLEEP] (FPM)

SENSOR DATA

CHANGE DETECTION

FUNCTION

VECTOR

MAGNITUDE

AUTO-WAKE/SLEEP

AUTO-WAKE/SLEEP LOGIC WITH PROGRAMMABLE INACTIVITY COUNTER

SCL/

SCLK

SA0/

SPI_MISO

DIGITAL

INTERFACE

SENSOR

CONFIGURATION

AND OUTPUT

REGISTERS

OTP

TRIM CONTROL

LOGIC

OSCILLATORS,

CLOCK

GENERATORS

MUX

X+ Y+

Z+

X- Y-

Z-

MUX

ADC-12

TEMP

LPF

Gain

C2V

VOLTAGE

REFERENCES

AND REGULATORS

32-SAMPLE

OUTPUT DATA

BUFFER

FIFO/LIFO

DIGITAL SIGNAL

PROCESSING

SDA/

SPI_MOSI/

SPI_DATA

SPI_CS_B/

WAKE_UP

INTF_SEL

INT1/

MOT_DET

INT2/

EXT_TRIG/

BOOT_OUT

BT_MODE

VDD

GND

PROOF

MASS

SELF-TEST

3-Axis Acceleration Sensor

ax,y,z

PROOF

MASS

Figure 1. Block Diagram

FXLS8971CF

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 2.1 — 7 March 2024

3 / 100

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