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原理图(GSM-GPRS-GNSS-HAT-Schematic_).pdf

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Schematic Prints of GSM-GPRS-GNSS HAT.SchDoc("Selected Document")
GSM-GPRS-GNSS HAT.SchDoc
1122334455667788DDCCBBAAGNDPowerUART1_TXD1UART1_RXD2UART1_RTS3UART1_CTS4UART1_DCD5UART1_DTR6UART1_RI7GND8MICP9MICN10SPK1P11SPK1N12GND13SIM1_DET14SIM1_DATA15SIM1_CLK16SIM1_RST17SIM1_VDD18GND19BT_ANT20GND21UART2_TXD22UART2_RXD23USB_VBUS24USB_DP25USB_DM26GND27VRTC28RF_SYNC29GND30GND31GSM_ANT32GND33GPS_VBAT34GSM_VBAT35GND36GND37ADC38PWRKEY39VDD_EXT40NETLIGHT41STATUS42SPK2N43SPK2P44GND45MCCA346MCCA247MCCA148MCCA049MCCK50MCCM051SIM2_DET52SIM2_DATA53SIM2_CLK54SIM2_RST55SIM2_VDD56GPIO157GPIO258GNSS_EN591PPS60GPS_TXD61GPS_RXD62GND63SDA64SCL65GND66GND67GPS_ANT68GND69GND70GND71GND72GND73GND74GND75GND76GND77SIM868U4SIM868TXDRXDS_TXS_RXVDD_EXTVDD_EXTVBATGNDGNDSIM1_VCCSIM_CARSIM1_RSTSIM1_CLKSIM1_DATASIM1_CLKSIM1_DATASIM1_RSTSIM1_VCC10KR12LED_PPSLED_NET22PC2822PC2722PC26GNDVRTCLED_STAGNDGNDGNDGNDNETLED_NETL_STA1GNDLED_STAearphoneMICPMICNGNDGNDGNDSPK1PSPK1NMICNMICPSPK1PSPK1NGNDANT_BTGNDANT_BTANT_GSMANT_GPSGNDGNDANT_GPSPWRKEYS_TXS_RXR141KGNDLED_PPSGNDVBATGNDGNDGNDGNDGNDP_TXP_RXSTAUSB to UARTGPS ANTGSM/GPRS/GNSS HATL_NET1L_TXD1L_RXD1L_PPS1L_PWR1R131KR151KR161KR2122RR2022RR810KR910KR51KR2222RR1822RC530PC610PC430PC310PC1310PC1430PC1630PC1510PL268nHC25104K11A2K23K34K45K56SMF1GNDPPS12345678910111213141516171819202122232425262728293031323334353637383940P2RPI GPIOP_RXP_TXGNDGNDGNDGNDGNDGNDGNDGND5V5VGND3.3V3.3VwPiBCMBCMwPi15161456101126272829897023121314212223242523417272210911561319262120161278252324141518GND1DATA2GND3BT1IPEXGND1DATA2GND3GPS1IPEXSIM_VCC1SIM_RST2SIM_CLK3SIM_GND4SIM_VPP5SIM_I/O6SIM_CARD1SIM_CARD_NANOCLK_ENRST_ENDATA_ENSIM1_VCCDATA_ENRST_ENCLK_ENVDD_EXT3V3U_RXU_TXGSM ANTBT ANTGNDPWRKEYPWRKEYVBAT10uFC22100nFC23100uFC21D15.1V 1/2WaveshareWS_RXS_TXUART LEDUART2_TXDUART2_RXDGPS_RXDGPS_TXDGPIO1GPS_EN12345GSM1GNDANT_GSMBOOT1VIN2SW3GND4FB5COMP6EN7SS8U1MP1482C110nFC80.1uFR1100KC93.3nFR65.6KR212KR73.6KC1022uF/6.3VVBATL110uH/4A10uF/25VC213572468J1Header 4X2U_RXU_TXUART JMPSTAIndicator lightSIM868AntennaRaspberry Intarface3V3GND5VGNDC1710PR1010KR1110KC1830P1365241GNDR171KVBUS1D-2D+3ID4GND5SHIELD16SHIELD27SHIELD38SHIELD49USB.J1USBGND5VC120.1uFC114.7uFC71uFR34.7k5VR410kGNDGNDGNDU_TXU_RX3V3432U3BNDC7002N615U3ANDC7002N3V3P4I1B5819WSBAT1BATP4K1PWR_KEYC19100pFC20470UF/6.3VCTS23RTS24RXD25TXD26DSR27DTR28DCD1RI2SUSPEND11SUSPEND12RST9D+4D-5VBUS8GND3VDD6REGIN72929U2CP2102GND
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