ADXL345 Datasheet, PDF (5/24 Pages) Analog Devices – Three-Axis, ±2/4/8/16g Digital Accelerometer

Preliminary Technical Data
PIN CONFIGURATION AND DESCRIPTIONS
SDO/ALT ADDRESS
ADXL345
Table 3. Pin Descriptions
Pin No.
Mnemonic
1
VDD I/O
2
GND
3
Reserved
4
GND
5
GND
6
VS
7
CS
8
INT1
9
INT2
10
GND
11
Reserved
12
SDO/ALT ADDRESS
13
SDA/SDI/SDIO
14
SCL/SCLK
Figure 2. Pin Configuration (Top View)
Description
Digital Interface Supply Voltage
Must be connected to ground
Reserved, must be connected to VS or left open
Must be connected to ground
Must be connected to ground
Supply Voltage
Chip Select
Interrupt 1 Output
Interrupt 2 Output
Must be connected to ground
Reserved, must be connected to GND or left open
Serial Data Out, Alternate I²C Address Select
Serial Data (I²C), Serial Data In (SPI 4-Wire), Serial Data In/Out (SPI 3-Wire)
Serial Communications Clock
Rev. PrA | Page 5 of 24