-DSRA1-CTSA2-DTRA3VCC4-RTSA5INTA6-CSA7TXA8-IOW9-TXB10-CSB11INTB12-RTSB13GND14-DTRB15-CTSB16-DSRB17-CDB18-RIB19RXB20VCC21A222A123A024XTAL125XTAL226RESET27GND28RXC29-RIC30-CDC31-DSRC32-CTSC33-DTRC34VCC35-RTSC36INTC37-CSC38TXC39-IOR40TXD41-CSD42INTD43-RTSD44GND45-DTRD46-CTSD47-DSRD48-CDD49-RID50RXD51VCC52D053D154D255D356D457D558D659D760GND61RXA62-RIA63-CDA64