NC1PVDD2DVDD3DVSS4PVSS5NRSTPD6TIN7TOUT8SVDD9TVSS10TX111TVDD12TX213TVSS14AVDD15VMID16RX17AVSS18AUX119AUX220OSCIN21OSCOUT22IRQ23NSS24D125D226D327D428D5/SCK29D6/MOSI30D7/MISO31NC32EP33