Can anyone help to read x,y and z possition of the DE0-Nano card?

I found these:

-- Accelerometer and EEPROM
G_SENSOR_CS_N : out STD_LOGIC;
G_SENSOR_INT : in STD_LOGIC;
I2C_SCLK : out STD_LOGIC;
I2C_SDAT : buffer STD_LOGIC