User guide

PmodACL Reference Manual
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The I
2
C interface standard uses two signal
lines. These are I
2
C data (SDA) and serial
clock (SCLK). These signals map to the serial
data (SDA) and serial clock (SCLK)
respectively on the ADXL345.
Connector J2 – I
2
C Communications
Pin Signal Description
1, 2 SCLK Serial Clock
3, 4 SDA / SDI /
SDIO
I
2
C Data / SPI Master
out Slave in Data
5, 6 GND Power Supply Ground
7, 8 VCC Power Supply (3.3V)