EP49VAUX248VCC447VAUX146INT145VFB244GND243SW242VCC241NRESPWRON40GPIO/CKSYN39CLK32KOUT38SLEEP37VCC136SW135GND134PWRON33VFB132SW331VFB330VRRTC29VCC728VBACKUP27BOOT026TESTV25VPLL24VCC523VDAC22OSC32KOUT21OSC32KIN20BOOT119VREF18REFGND17VFBIO16GNDIO15SWIO14VCCIO13VDDIO12SCLSR/EN111SDASR/EN210SCL9SDA8VDIG17VCC66VDIG25VAUX334VCC33VMMC2PWRHOLD1