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原理图(SX1262_XXXM_LoRaWAN_HAT_sch).pdf

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BCM wPi 1 P1 RPI GPIO wPi BCM 2 2 3 4 17 27 22 10 9 11 5 6 13 19 26 8 9 7 0 2 3 12 13 14 21 22 23 24 25 Pi_3V3 P_SDA P_SCL P4 GND P17 P27 P22 3V3_Pi MOSI MISO CLK GND ID_SD P5 DIO4 P13 P19 P26 GND 2 1 4 3 6 5 8 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 5V 5V GND RXD TXD RST GND P23 P24 GND P25 P_CE0 P_CE1 ID_SC GND P12 GND DIO1 BUSY CS 15 16 1 4 5 6 10 11 26 27 28 29 14 15 18 23 24 25 8 7 12 16 20 21 P5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Raspberry Interface A B AMS-1 5V C29 10uF i V G o V 3V3 3 1 2 C30 104 C31 104 GND Power S1 3V3 ON 0FF 1 2 3 Switch GND I2 1N4148 R12 10K C32 10uF C10 12pF 3 XTB X1 32MHz GND 3V3 C GND 2 C15 12pF 4 R5 0R 1 L6 NC XTA GND C17 XTA XTB DIO3 L7 15uH 3V3 C25 C26 DIO2 GPS Standby mode VR_PA C12 C13 L2 GND U2 VDD_IN GND XTA XTB GND DIO3 VREG GND DCC_SW VBAT VBAT_IO DIO2 D N G 5 2 GND VR_PA RFO RFI_N RFI_P GND NSS SCK MOSI MISO NRESET BUSY DIO1 24 23 22 21 20 19 18 17 16 15 14 13 GND CS CLK MOSI MISO RST BUSY DIO1 R4 0R 10nF 1 2 3 4 5 6 7 8 9 10 11 12 D 470nF 100nF SX126X GND GND 1 5V GND RXD TXD MISO MOSI CLK CS DIO1 DIO2 DIO3 DIO4 BUSY RST P4 R13 NC/0R R14 RXD TXD R23 1K Q_RX R24 1K Q_TX STANDBY 4.7K Q2 8050 K1 3V3 R15 4.7K GND 3 Q1 GND Q_TX Q_RX PPS STANDBY VBAT 3V3 C3 C4 1 2 3 4 5 6 7 8 9 GND TXD1 RXD1 1PPS STANDBY V_BCKP NC VCC RESET FORCE_ON SCL/RES SDA/RES NC VCC_RF ANTON GND RF_IN GND 18 17 16 15 14 13 12 11 10 10uF/25V 0.1uF Quectel L76K GND GPS 4 SET GND C34 0.1uF L1 R1 0R 47nH H1 1 2 3 C33 100pF C6 NC GND R3 0R GND GND C5 NC GND R20 2K SET R22 10K GND 1N4148 3V3 I1 R2 1K GND BAT VBAT C2 0.1uF C1 4.7uF A B GPS Force mode GPS Backup Power R18 1K L_RXD1 Q_RX R17 1K L_TXD1 Q_TX L_PPS1 PPS R19 510R GND C C14 L3 C18 C16 L4 GND U3 C19 DIO4 C11 1nF R16 10K L_PWR1 GND 3V3 Indicator light GND C23 C24 GND L8 C27 GND 1 2 3 RF1 GND RF2 CTRL RFC CTRL 6 5 4 PE4259 RF Switch GND DIO2 C28 1nF L5 C20 C21 C22 1 2 3 H3 GND GND RF1-RFC RF2-RFC Pin6 Low Pin4 Low aveshareW D SX126X XXXM LoRaWAN/GNSS HAT 2 3 4
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