AC4109蓝牙方案标准原理图 V1.2

ABCDDCBACS1SO2WP3GND4SI5SCK6HOLD7VCC8U102A25Q80SPI_DOSPI_DISPI_CSSPI_CLKC104105+3.3VC203105+M101MICC108NCC109104MICR1012KC107NCDACVDDDACLLINEIN、KEY、EarphoneD301IN4001VBAT+5VGND5LIN_R4AGND3LIN_L26+5V1666J303BT3013.4V~4.2VMCU、Flash、MICPOWER、LEDBTFM_ANTL3021K@100MHZBT_TXBT_RX+3.3VC204105C207NCCLK_32KC205105IIC_DATIIC_CLKY201TXC_26MC21312PC21212PUART_RXD1PCM_SDO2PCM_CLK4PCM_SDI3PCM_SYNC5VIO6VDD187SW8VBAT9CLK_32K10I2C_SDA11I2C_SCL12CLK_EN13XI14NC17NC18RFP19GPIO520GPIO221NC[FMIN]22NC[FMIP]23NC24NC[GPIO_FM2]25LDO_EN16XO15BT_WAKE[GPIO_FM3]26NC[FM_OUTL]27VDD1229GPIO430HOST_WAKE31UART_TXD32NC[FM_OUTR]28U201AC511_32PINOSC26MIOSC26MOL2030RC2083.3nHL201NCC2111nHC2102.7PC206100PFM_ANTL202100nHC20918PC201105FM_L+3.3VR20110KFM_ANTBT_SDOBT_SDIBT_CLKBT_SYNCBT18VBL_32KC101105C105105BT_ANTD302DLED-CKLED1R3101KBT_ANTC301105IIC_CLK+3.3VC10610PLDO5V1VSSIO2PC144PC153PC135PC106PC97PC88PC79PB10/PC010PB911PB812PB313USBDP14PA1517PA1418PA1119PA920PA821PA522PA423PD124PD025PB116USBDM15VCOMO26DACVDD27DACVSS29DACL30DACR31VDDIO32VCOM28U101AC4109_32PINBT_SYNCBT_CLKBT_SDOBT_SDIBT_TXBT_RXSPI_DISPI_DOSPI_CLKSPI_CSMICOSC26MOC11015PBL_32KSD_DATSD_CLKSD_CMDIIC_DATDACLVCOMDACVDDC103105C102105AGNDDACR+3.3VVMCUVCOMOR3035.1KLIN_LLIN_R2431J301LINEINJackR3045.1KLINEINLED1ADKEYREDBLUER3052.7RFM_ANTQ3018550CR309100KVBAT+5VSW301SW-DIPVMCUC202105C302105AUX_LAUX_RAUX_LAUX_RJ302Earphone_LJ304Earphone_RDACRVCOMOVCOMO1.3V0.6VR30122KR30827K+3.3VR3065.1K0V1.8VADKEYR30715KS301P/PS302PREV/V-S303NEXT/V+R3020RS304TALKFM_RFM_LFM_RL3011K@100MHZDACVDDR308220KLINEIN3.0VUSBDPUSBDM