Datasheet ADXL345 (Analog Devices) - 8

Data Sheet ADXL345 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADXL345 TOP VIEW (Not to Scale) SCL/SCLK V 1 14 13 SDA/SDI/SDIO DD I/O GND 2 12 SDO/ALT ADDRESS RESERVED 3 11 RESERVED +x GND 4 10 NC +y +z GND 5 9 INT2 V 6 7 8 INT1 S
2
CS
0 -0 5
NOTES
2 9 7
1. NC = NO INTERNAL CONNECTION.
0 Figure 3. Pin Configuration (Top View)
Table 5. Pin Function Descriptions Pin No. Mnemonic Description
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. E | Page 7 of 40