Data Sheet

ADXL314

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

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Rev. A | 6 of 27

Figure 3. Pin Configuration (Top View)

Table 6. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

GND

This pin must be connected to ground.

2

Reserved

Reserved. This pin must be connected to VS or left open.

3

GND

This pin must be connected to ground.

4

GND

This pin must be connected to ground.

5

VS

Supply Voltage.

6

CS

Chip Select.

7

Reserved

Reserved. This pin must be left open.

8 to 19

NC

No Connect. Do not connect to this pin.

20

INT1

Interrupt 1 Output.

21

INT2

Interrupt 2 Output.

22

Reserved

Reserved. This pin must be connected to GND or left open.

23

SDO/ALT ADDRESS

Serial Data Out (SDO), or Alternate I2C Address Select (ALT ADDRESS).

24

SDA/SDI/SDIO

Serial Data (SDA, I2C), Serial Data In (SDI, SPI 4-Wire), or Serial Data In/Out (SDIO, SPI 3-Wire).

25

NC

No Connect. Do not connect to this pin.

26

SCL/SCLK

Serial Clock Line for I2C (SCL). Serial Clock Line for SPI (SCLK).

27 to 30

NC

No Connect. Do not connect to this pin.

31

VDD I/O

Digital Interface Supply Voltage.

32

NC

No Connect.

EP

Exposed Pad. The exposed pad must be soldered to the ground plane.