Pin description

LIS3DHH

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DocID030220 Rev 3

1

Pin description

Figure 1. Pin connections

Table 2. Pin description

Pin#

Name

Function

1

SPC

Clock line for SPI 4-wire interface (SPC)

2

SDI

Serial data input (SDI) line for SPI 4-wire interface

3

SDO

Serial data output (SDO) line for SPI 4-wire interface

4

CS

SPI chip-select line (CS)

5

INT2

Programmable interrupt 2 generated according to a configurable FIFO threshold

in a dedicated register

6

INT1

Programmable interrupt 1 generated according to a configurable FIFO threshold

in a dedicated register

7

Vdd_IO

Power supply for I/O pins

Recommended power supply decoupling capacitor (100 nF)

8

Vdd

Power supply

Recommended power supply decoupling capacitors (100 nF ceramic in parallel

with 10 μF aluminum)

9

GND

0 V power supply

10

Reserved

Connect to GND

11

Reserved

Connect to GND

12

Reserved

Connect to GND

13

Reserved

Connect to GND

14

Reserved

Connect to GND or leave unconnected

15

Reserved

Connect to GND or leave unconnected

16

Reserved

Connect to GND or leave unconnected