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1、1122334455667788D DC CB BA ATitleNumber RevisionSizeA3Date: 04.04.2014 Sheet ofFile: .SX1276_e296v02a_RF.SchDoc Drawn By:PCB_E296V02A - SEMTECHV1a2/3EMrRF Part - SX1276 433/868MHz Sensor NodeRFI_LF1VBAT13VR_ANA2VR_DIG4XTA5XTB6RFI_HF21RXTX/RFMOD20NSS19MOSI18MISO17SCK16DIO08DIO19DIO210DIO311DIO412DIO5
2、13RFO_LF28PA_BOOST27GND26VR_PA25VBAT224GND23GND29NRESET7VBAT314GND15RFO_HF22U1SX1276312 432.0MHzQ1XtalGNDGNDGNDGNDRESET_RF_sxDIO0_sx100nFC5100nFC4100nFC21VDD_RFSGND100nFC3VDD_RFSGND GND GNDDIO1_sxDIO2_sxSCK_sxMISO_sxMOSI_sxNSS_sxL2L1C7GNDC2C1GND GNDC10C11GNDGNDL7C16 C17GND GNDC9C8GNDDIO3_sxDIO4_sxDI
3、O5_sxRXTX_RF_sxANT_HFSMAGNDRXTX_RFMDODSX1276 RF Part:RF Switch HF:FEM_CTX100R14325678R4EXBN8VxxxJX100R14325678R5EXBN8VxxxJX100R14325678R13EXBN8VxxxJXDIO0_sxDIO1_sxDIO2_sxDIO3_sxDIO4_sxDIO5_sxSCK_sxMISO_sxMOSI_sxNSS_sxRESET_RF_sx100RR14DIO0DIO1DIO2DIO3DIO4DIO5SCKMISOMOSINSSRESET_RFL4C20GND1kR21nFC22G
4、NDVDD6RFC5CTRL4RF23GND2RF11PE4259U2RF SwitchC19VDD_RFS1nFC45GNDL5C12C13GNDC46GNDL14C47GND0 0 0Semtech Logos:0GND1IN2GND3GND6OUT5GND4U4SAW FilterGNDGNDC26VDD_RFSGNDC29C30GNDGNDL12C36C37GNDC28ANT_LFSMAGNDL8C39GND1kR151nFC42GNDVDD6RFC5CTRL4RF23GND2RF11PE4259U5RF SwitchC38VDD_RFS1nFC43GNDL9C31C32GNDC40G
5、NDL11C41GNDL3L10C34GNDRF Switch LF:FEM_CPSC33100nFC27C35GND1ShieldEMI RF ShieldC18GNDGND1IN2GND3GND6OUT5GND4U6SAW FilterGNDGNDGNDL6C14C15GNDL130Fiducial Mark1PIANT0HF01PIANT0HF02COANT0HFPIANT0LF01PIANT0LF02COANT0LFPIC101PIC102COC1PIC201PIC202COC2PIC301PIC302COC3PIC401PIC402COC4PIC501PIC502COC5PIC701
6、PIC702COC7PIC801PIC802COC8PIC901PIC902COC9PIC1001PIC1002COC10PIC1101PIC1102COC11PIC1201PIC1202COC12PIC1301PIC1302COC13PIC1401PIC1402COC14PIC1501PIC1502COC15PIC1601PIC1602COC16PIC1701PIC1702COC17PIC1801PIC1802COC18PIC1901PIC1902COC19PIC2001PIC2002COC20PIC2101PIC2102COC21PIC2201PIC2202COC22PIC2601PIC2
7、602COC26PIC2701PIC2702COC27PIC2801PIC2802COC28PIC2901PIC2902COC29PIC3001PIC3002COC30PIC3101PIC3102COC31PIC3201PIC3202COC32PIC3301PIC3302COC33PIC3401PIC3402COC34PIC3501PIC3502COC35PIC3601PIC3602COC36PIC3701PIC3702COC37PIC3801PIC3802COC38PIC3901PIC3902COC39PIC4001PIC4002COC40PIC4101PIC4102COC41PIC4201
8、PIC4202COC42PIC4301PIC4302COC43PIC4501PIC4502COC45PIC4601PIC4602COC46PIC4701PIC4702COC47PIFiducial Mark100COFiducial Mark1PIL101PIL102COL1PIL201PIL202COL2PIL301PIL302COL3PIL401 PIL402COL4PIL501 PIL502COL5PIL601 PIL602COL6PIL701 PIL702COL7PIL801 PIL802COL8PIL901 PIL902COL9PIL1001 PIL1002COL10PIL1101
9、PIL1102COL11PIL1201 PIL1202COL12PIL1301PIL1302COL13PIL1401 PIL1402COL14PILogo Bot00COLogo BotPILogo Lora Bot00COLogo Lora BotPILogo Lora Top00COLogo Lora TopPILogo Top00COLogo TopPIQ101PIQ102PIQ103PIQ104COQ1PIR201PIR202COR2PIR401PIR402PIR403PIR404 PIR405PIR406PIR407PIR408COR4PIR501PIR502PIR503PIR504
10、 PIR505PIR506PIR507PIR508COR5PIR1301PIR1302PIR1303PIR1304 PIR1305PIR1306PIR1307PIR1308COR13PIR1401 PIR1402COR14PIR1501PIR1502COR15PIRXTX0RFMDOD01CORXTX0RFMDODPIShield01COShieldPIU101PIU102PIU103PIU104PIU105PIU106PIU107PIU108PIU109PIU1010PIU1011PIU1012PIU1013PIU1014PIU1015 PIU1016 PIU1017 PIU1018 PIU
11、1019 PIU1020 PIU1021PIU1022PIU1023PIU1024PIU1025PIU1026PIU1027PIU1028PIU1029COU1PIU201PIU202PIU203 PIU204PIU205PIU206COU2PIU401PIU402PIU403PIU404PIU405PIU406COU4PIU501PIU502PIU503 PIU504PIU505PIU506COU5PIU601PIU602PIU603PIU604PIU605PIU606COU6NLDIO0NLDIO00sxNLDIO1NLDIO10sxNLDIO2NLDIO20sxNLDIO3NLDIO30
12、sxNLDIO4NLDIO40sxNLDIO5NLDIO50sxNLFEM0CPSNLFEM0CTXNLMISONLMISO0sxNLMOSINLMOSI0sxNLNSSNLNSS0sxNLRESET0RFNLRESET0RF0sxNLRXTX0RF0sxNLSCKNLSCK0sx1122334455667788D DC CB BA ATitleNumber RevisionSizeA3Date: 04.04.2014 Sheet ofFile: .SX1276_e296v02a_Sense.SchDoc Drawn By:PCB_E296V02A - SEMTECHV1a3/3EMrSens
13、ors Part - SX1276 433/868MHz Sensor NodeSX1276 Sensors Part:VLCD1PC13-WKUP22PC14-OSC32_IN3PC15-OSC32_OUT4PH0-OSC_IN5PH1-OSC_OUT6NRST7PC08PC19PC210PC311VSSA12VDDA13PA0-WKUP114PA115PA216VDD_248VSS_247PA1346PA1245PA1144PA1043PA942PA841PC940PC839PC738PC637PB1536PB1435PB1334PB1233PA317VSS_418VDD_419PA420
14、PA521PA622PA723PC424PC525PB026PB127PB228PB1029PB1130VSS_131VDD_132VDD_364VSS_363PB962PB861BOOT060PB759PB658PB557PB456PB355PD254PC1253PC1152PC1051PA1550PA1449U8STM32L151RxTVREGEN5NC4GND6GND3VIN8VOUT1SENSE2PG7GND9 3.0VU7 ADP71024.7uFC590RR20NCR21GNDGNDGND10kR18GND+5VGND10kR17GNDNCR19GNDVDD_RFSFB3Ferri
15、te beads100nFC62100nFC63100nFC614.7uFC60GNDVCC_DIGVCC_DIGGND100nFC51GND312 412.0MHzQ315pFC5515pFC54GND GNDGND2132.768kHzQ210pFC5310pFC52GND GND100RR14 213NRSTGNDRESET_RFNRSTFEM_CTXFEM_CPSVCC_DIG100nFC564.7uFC57GNDGNDDIO3DIO2DIO1DIO0GNDVCC_DIGFB4Ferrite beads100kR16NSSMOSIMISOSCKDIO4DIO5100kR10NCR9GN
16、DVCC_DIG100kR12NCR11GNDVCC_DIGBOOT0 BOOT1BOOT1GND1 2 3 4 5 6J1 Header 6VCC_DIGGNDC511224384SW1RotaryDIPSwitchGNDGNDVBUS1D-2D+3GND5x4J_USBMini-USB Type AFB1Ferrite beadsFB2Ferrite beadsGND+5V4.7uFC48D1 D2GNDVCC_DIG100nFC58GNDGNDVTREF1VDD2NTRST3GND4TDI5GND6TMS7GND8TCK9GND10RTCK11GND12TDO13GND14NSRST15GND16DBGRQ17GND18DBGACK19GND20JTAG167996-220HLFGND1uFC49GND10kR2310kR2410kR25GNDJtag Connector:VCC_DIGVCC_DIGNRSTTDOTCKTMSTDITMSTCKTDITDONTRSTNTRST180RR7330RR8330RR6LED2GREENLED3YE
