If you are using it in SPI mode, you need
CSB A2
SCL A3
SDO A4
SDA A5
And for I2C you should leave CSB floating (internally pulled up via 10k)
If you are using it in SPI mode, you need
CSB A2
SCL A3
SDO A4
SDA A5
And for I2C you should leave CSB floating (internally pulled up via 10k)