ADXL345-EPEnhanced ProductPIN CONFIGURATION AND FUNCTION DESCRIPTIONSADXL345-EPTOP VIEW(Not to Scale)SCL/SCLKV11413SDA/SDI/SDIODD I/OGND212SDO/ALT ADDRESSRESERVED311RESERVED+xGND410NC+y+zGND59INT2V678INT1S 002 13- CS 104 Figure 2. Pin Configuration (Top View) Table 4. Pin Function Descriptions Pin No.MnemonicDescription 1 VDD I/O Digital Interface Supply Voltage. 2 GND This pin must be connected to ground. 3 RESERVED Reserved. This pin must be connected to VS or left open. 4 GND This pin must be connected to ground. 5 GND This pin must be connected to ground. 6 VS Supply Voltage. 7 CS Chip Select. 8 INT1 Interrupt 1 Output. 9 INT2 Interrupt 2 Output. 10 NC Not Internally Connected. 11 RESERVED Reserved. This pin must be connected to ground or left open. 12 SDO/ALT ADDRESS Serial Data Output (SPI 4-Wire)/Alternate I2C Address Select (I2C). 13 SDA/SDI/SDIO Serial Data (I2C)/Serial Data Input (SPI 4-Wire)/Serial Data Input and Output (SPI 3-Wire). 14 SCL/SCLK Serial Communications Clock. SCL is the clock for I2C, and SCLK is the clock for SPI. Rev. B | Page 6 of 12 Document Outline Features Enhanced Product Features Applications General Description Functional Block Diagram Revision History Related Documents Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide