Vss1PA02PA13PA24PA35PA46PA57PA68PA79PB010PB111Vss12Vdd13PB214PB315PB416PB517PB618PB719PC020PC121PC222PC323Vss24Vdd25PC426PC527PC628PC729PD030PD131PD232PD333PD434PD535Vss36PD637PD738nTMODE39nSMODE40nRESET41Vdd42X143X244Vss45TXEN46TXD47RXI48