1122334455667788DDCCBBAATitleNumberRevisionSizeA2Date:2018/4/10Sheet ofFile:I:\CableTemp_V2\CableTemp.SchDocDrawn By:NB-iot_quectel_module__SCH1_20170427V1RESERVED1GND2SWD_DATA3SWD_CLK4RESERVED5RESERVED6RESERVED7RESERVED8RESERVED9RESERVED10RESERVED11RESERVED12RESERVED13RESERVED14RESET15RESERVED16RESERVED17NETLIGHT18DBG_RXD19DBG_TXD20ADC21RESERVED22RESERVED23RESERVED24RESERVED25VDD_EXT26RESERVED27RESERVED28RXD29TXD30RESERVED31RESERVED32RESERVED33RI34RESERVED35RESERVED36RESERVED37USIM_VDD38USIM_RST39USIM_DATA40USIM_CLK41USIM_GND42RESERVED44VBAT45VBAT46GND47GND48RESERVED49RESERVED50GND51GND52RF_ANT53GND54GND43U4ABC95GND63GND64GND65GND66RESERVED67RESERVED68RESERVED69RESERVED70GND71GND72GND73GND74RESERVED75RESERVED76RESERVED77RESERVED78RESERVED79RESERVED80GND81GND82GND83RESERVED84RESERVED85RESERVED86RESERVED87RESERVED88RESERVED89RESERVED90RESERVED91GND92GND93GND94RESERVED55RESERVED56RESERVED57RESERVED58GND59GND60GND61GND62U4BBC95TMSTCKBC95_TXDBC95_RXDDBG_TXDDBG_RXDBC95_RIVDD_EXTUSM_VDDUSM_RSTUSM_DATAUSM_CLKUSM_GNDGNDGNDGNDGNDGNDGNDGNDRF_ANTnbiot_ADCNETLIGHTC533pfR50C333pfGNDVBATGNDVCC22UF22UF0.1UFGNDVCCBC_NRST22u100nFGNDVCCC3733pfC3633pfC3533pf33R33R33R100nFGNDGNDUSM_DATAUSM_CLKUSM_RSTUSM_VDDUSM_GNDPA028NRST/PA11PA22PA33PA44PA55PB012PB113PB214PB315PB416PB517PB618PB719PC021PC122PC223PC324PC425PC526PC627PD08PD19PD210PD311PD420VDD1/VDDA/VREF+7VSS1/VSSA/VREF-6U7STM8L151G4U6NRSTMCU_RXDMCU_TXDSWIMVCCGNDD2DIOD3DIOD4DIOD5DIOINT1BC_NRSTC90.1FVCCVBATE1AntennaVBATC122UFGNDC6100nFCTRMCU_RXDMCU_TXDBC95_TXDBC95_RXDVCCSWIMNRSTMCU_RXDMCU_TXDCTRGNDVDDC1RSTC2CLKC3GNDC5VPPC6DATAC7C4C8U2SIM_nanoR110KC100.1ufVCCGNDVCC_OUTLED1R24.7kLED1DS1LED3GND12P1Header 2GND12345678P2Header 4X2GNDVCCDQDQ123P3DS18B20R34.7kC20.1ufGND1.reserved ----2.socket3.USIM—GNDMAG3110 INT1IIC1.??AT1.USM_GND,USM_VDDGND,VDD2.TVS??