蓝牙开发下载板原理图12345678U1 XC6204B182MR 3 D 1GNDCE VINVOUT5 C1 10u D J2 IF_VOLTS 3V324BYPU2 XC6204B332MR 3 115163V3 5 C2 10uCON1 U3 8 R1_IN 13 T1_OUT V+ V3 7 C9 100n C10 100n 1 2 3 4 5 6 7 8 9 10 11 DCD RXD TXD DTR GND DSR RTS CTS RI SHIELD SHIELD DB9GNDCE VINVOUTC4 100n C8242 4 5 6C1+ C1C2+ C2-FORCE_OFF_BBYPVCCMAX3221_ST 9 R1_OUT 11 T1_INL1 10uC3 10u3V3 R1 2k23V3 R2 2k2 T1_IN100n14 12 1IF_VOLTS U4 C SW1 INTERFACE ON/OFF 1 2 3 A1 GND A2 Y1 VCC Y2 6 5 4 C7 100n1 310INVALID_BGND FORCE_ON EN_BTO PC RS232 PORTHOST INTERFACE LEVELC5 100nC2NC7WZ07P6XR1_OUTGNDBGNDCON2 1 2 3 4 5 6 7 Keyed Here > 8 9 10 11 12 13 14 15 16 17 18 18W_SKT_STU5 1 2 4 5 10 9 13 12C6 100nUART_RX 3 UART_TX 6 SPI_MISO SPI_CSB S……
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