FXLS8964AF datasheet(4/98 Pages) NXP

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NXP Semiconductors

FXLS8964AF

3-Axis Low-g Accelerometer

FXLS8964AF

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Objective data sheet

Rev. 2 — 30 October 2020

4 / 98

6 Pinning information

6.1 Pinning

Figure 2. Pin connection diagram

6.2 Pin description

Table 2. Pin descriptions

Symbol

Description

VDD

Sensor and digital interface supply voltage: 1.71 to 3.6 VDC.

BT_MODE

Device boot mode selection.[1]

GND: Default operating mode enabled

VDD: Motion Detection mode enabled

SA0 / SPI_MISO

Mode dependent Multifunction serial interface pin.[2]

INTF_SEL = VDD:

• SPI_MISO: In 4-wire SPI mode this pin functions as the serial data output

(Master In Slave Out).

INTF_SEL = GND:

• SA0: This pin selects the least significant bit of the device I2C slave

address.

SDA / SPI_MOSI / SPI_DATA

Mode dependent Multifunction serial interface pin.[2]

INTF_SEL = VDD:

• SPI_MOSI: In 4-wire SPI mode this pin functions as the serial data input

(Master Out Slave In).

• SPI_DATA[3]: In 3-wire SPI mode this pin functions as the bidirectional

serial data input/output.

INTF_SEL = GND:

• SDA: This pin functions as the I2C Serial Data input/output.

SCL / SCLK

Mode dependent Multifunction serial interface pin.[2]

INTF_SEL = VDD:

• SPI serial clock input (3- and 4-wire modes)

INTF_SEL = GND:

• I2C serial clock input

INT2 / EXT_TRIG / BOOT_OUT

Mode-dependent multifunction I/O pin 2.[2]

BT_MODE = VDD: Open-drain[4] output signaling the device boot process

has completed. This pin is typically connected to MOT_DET in a wired-AND

configuration; a pull-up resistor is required.

BT_MODE = GND: Programmable interrupt output pin 2[5] / External

measurement trigger input. This pin should be left unconnected if unused in

the application circuit.

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