GND4GND5GNDB1SSTXp2B2SSTXn2B3VBUSB4CC2B5Dp2B6Dn2B7SBU2B8VBUSB9SSRXn1B10SSRXp1B11GNDB12GND1GNDA1SSTXp1A2SSTXn1A3VBUSA4CC1A5Dp1A6Dn1A7SBU1A8VBUSA9SSRXn2A10SSRXp2A11GNDA12GND2GND3GND6