红米4标准版L1&L2 逻辑框图&元器件分布图U1101MSM8937AP&BPGPSLCD5.0in 1280*720CTPMain Camera13MPFront_Camera5MPTP_I2C4 Lanes CSI2Lanes CSI4 Lanes DSISDC1EBI0U1801 EMMC+LPDDR32G+16GBPRXDRXU4701WCN3660BBT/WIFI/FMWLAN_BB_IQCLK from PMUFL4801WL_RFIO_5GWL_CMDU3101ANT SW&GSM PAU2901WTR2965WTR0_PRXBB_IQWTR0_DRXBB_IQGPS_BB_IQWTR0_TXBB_IQTXPRX B1/B2/B3/B5/B7/B8/B20/B34/B39/BC0/ GSM_LB/HBGPSU4901GPS-LNAT/RX TXRXT/RX芯片位号供电控制信号时钟U4101DRX-SWDRX B1/B3/B4/B5/B8/B20/B39/B40DRXRFFE1FLASH LEDSDUIM DATAZJ2501TFUIM1/2U3201L/M/H PATX B1/B2/B3/B5/B8/B20/BC0RFFE1TRX B38/B41SENSOR_I2CSENSORZU2302LP-SensorZU2304M-SensorZU2303G+GyroCLK from PMUCLK from PMUZJ2301FP-SensorSPIfrom U0701U3901RX-SWDRX B7/B38/B41from U0501VSP/VSN from U0501BL LED from U0501USB_VBUSSWChargerDCDCsLDOsX070119.2MHz USB PWR_KEYUSB_DP/DMSPMIRSTU0501PMI8952PMUSMPISMPIU0701PM8937PMUBB_CLKFLASH LEDBL LEDVSP/VSNRF_CLKAUDIORECEIVERMMICHEADSETVIBRZU2410SPK-PASLEEP_CLKSZU2670RGBLED DRVRGB_ I2Cfrom U0701 VREG_L10RFFE5ZD2690INFAREDLEDSINFARED_DRVCDC_PDMCAM_I2C1CAM_I2C0WL_BT_RFIO_2P4GFL4802U4401RFFE1TX B4TX B7/B34/B39/B41 GSM_LB/HBTX / PRXDRXDRXTRX B40FilterPRX B40PRX B38/B41TX B40TX B38/B41Filter

红米4标准版L1&L2 逻辑框图&元器件分布图D2201FLASH LEDANT4201DRX ANTZJ2601Side KeyU0501PMUPMI8952ZJ2102LCD CONZJ2702BATT CONZJ2301Finger Print-SensorU2901WTRU4401DPDTJ4801WL/BT/GPS ANTZJ2201Front CameraZMIC2401S MicU4301APTZU2410SPK-AMPBOTU2412Analog SwitchX070119.2MHzU0701PMU&AUDIOPM8937FSNCON4401DRX ANTU4101DRX SWU3101ANT SWGSM PAZJ2702B-FPC CONZJ2103TP CONTP2805USB_IDTP2801USB_VBUSTP2802USB_DMTP2803USB_DPZTP2862VBATTP2814BAT_THERMTP2815BAT_CON_ID

红米4标准版L1&L2 逻辑框图&元器件分布图ZJ2501SIM1/2/SDY470148MHzU1801LPDDR3 + EMMC2GB +16GBU1101AP&BPMSM8937NURCV2401ReceiverZD2690INFARED LEDZU2302LP-SensorZCON2401HEADSETTOPZJ2202Main CameraZU2304M-SensorZU2303G+Gyro-SensorZD2601RGBLEDJ4804WL_5G ANTU4701WL/BT/FM 3IN1WCN3660BZU2670LED RGB DRVU3201L/M/H PA

红米4标准版L1&L2 逻辑框图&元器件分布图涉及的英文翻译如下表索引缩写释义索引缩写释义索引缩写释义13MP1300万像素GPS全球定位系统RECEIVER受话器（一般指听筒）ANT天线GSM全球移动通信系统RF射频AMP放大器GPIO通用输入输出RST复位信号Analog Switch模拟开关Gyroscope陀螺仪RF Cable射频线缆接口AP应用处理器HB高波段RFFE射频前端总线AUDIO音频HEADET耳机SENSOR传感器B3第3波段I2C两线制串行控制总线SPI串行外围接口（通信总线）BB基带IQ同相、正交Side Key侧键BL LED背景灯INFRARED LEDS红外发光二极管SPK扬声器B-FPC软性印刷电路板（连接副板）Lanes线路SLEEP CLK睡眠时钟BOT底面LB低波段SPMI电源管理总线BP基带处理器LCD液晶显示器SW开关BT蓝牙LED发光二极管SDCCPU与EMMC通信线路BTB板对板（连接器）LNA低噪声放大器TCXO有温度补偿的晶体振荡器CON连接器L/M/H AP多模 PATOP上面CSI串行照相数据接口LP Sensor光线和距离传感器UIM用户识别模块CTP电容式触屏控制LPDDR低功耗双速率随机存储器USB-DP差分信号（+）clock（CLK）时钟LDO低压差线性稳压器USB-DM差分信号（-）CHG充电Main Camera主相机USB通用串行总线DRX分集接收MIC麦克风BATT电池DSI串行显示数据接口M-Sensor电子罗盘VIBR振动器CDC_PDM音频模块与CPU通信总线PA功率放大器VBUSUSB供电DATA数据POP叠层封装VSP液晶驱动电源（+）DCDC直流变直流（电源）PMU电源管理单元VSN液晶驱动电源（-）DPDT双刀双掷(开关)PRX第一接收WTR射频收发器（中频）DRV驱动PWR_KEY电源键WL_CMD通信总线（FM/BT/WIFI和CPU间）EBI通信总线（DDR和CPU传输）WIFI无线局域网EMMC嵌入式多媒体存储卡ZIF零插拔力（连接器）Flash LED闪光灯ZFM调频DGIFESCBLARPMH红米3S逻辑框图，英译汉对照表WVUT