RK2918平板电脑电路图

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1、54321RTCCAMERALCDDDHDMISYSTEMPOWERCCWIFIUSB/HOSTRK2918AUDIOUARTBBG-SENSORFLASHSD/MMCDDRIIIKEYAA福州瑞芯微电子有限公司Title:LR7D01-29V1.2File:BLOCKDIAGRAMREV:1.2CreateDate:PageNum:1ModifyDate:Friday,April22,2011PageTotal:125432154321Power-UpTiming1.2VDC/DCVDDCPUCorePWRON1.5ASYSDD

2、1.5V/1.8VRK2918_DDR-CtrlDC/DCVCCDR1.5ADDR3-DeviceVCC30RK2918_IOVDCVDD3VUSB_HOST11ACAdapterVCC30DC/DC12V1AWiFi/BT/FMVCCDRNANDFLASH/INANDVDD12LightsensorLCD_VDD_3VVCC25VINVSYSVLVDSVCCA18GravitySensorBatteryChargeCompassVCCA33POWERSWITCH5V/3ABUCKGyroSensorVDD_USBVbatpowe

3、rswitchSDCardRESETLCD_CtrlCVCC_SDCBatteryDCVCCA18HDMI_CORE_1.8VVCC_VIP7.4VLDO1.8V300mACODECBatteryFuelGaugeVCC_LCDBQ27541VDD12LDODPLL/CPLL/GPLL_1.2VUSB_PHY_1.2VLED_5V300mA2.5VARM_PLL_2.5VVCC25RTCLDOUSB_PHY_2.5V300mARK2918_SAR-ADC_2.5VVCCA33USB_PHY_3.3VLDOLowVotage300m

4、ACODEC_3.3VDetectionBBInterrupttoCPUWiFi/BT/FMVCC_VIP1.8VDC/DCCameraIO_1.8V500mAC_AVDD2.8VLDOCamera_2.8V500mAVIBLCD_BackLightAAFor3G福州瑞芯微电子有限公司3GModule3.3V/2ATitle:LR7D01-29V1.2BUCKFile:SystemPowerDiagramREV:1.2PowerDiagramCreateDate:PageNum:2ModifyDate:Friday,April22

5、,2011PageTotal:1254321543212011-04-22更更C5、C10为100UF/10V钽电钽封封为：3216LDC_5VU35VOUT35221VINJ12BT11ED8GND1LI_3.7VBATTBATTDCJACK4311C6C7ZEN056/ZEN132A230A+C8C9C1143+C10106U4106DC5D1105DESD104100P2100uF/10VC04021V+100uF/10V23216LDC_5V121ACINBATT10BATT+R113216LVBUS2USBTS9R121

6、0K100K%1SS34SD12438R1310KDC_5V/CHG_S/ENR14100K4/PGOODISETU7VCCIOBAT_DET33CHG_OKR151K5GNDISETA6DC_DET3-V-2R19C13R16R1710KPADR18103150KRT9502820R910mA100K%1R0402U5113RED2R201KVCCIO322011-04-2241R211KQ2VB41更更R18增阻，提电提电电提YELLOWR223904IchargeAC=300X(2.5/Rset)D2150KSC70N19-

7、22SURSYGC/S530-A3/E2/TR8R0402DC_5V12SS34SD124ChargerBATTDCinputCCVBVBUSDC_5VP1P2R238PLAY_VBPLAY_VB47KSW12011-04-222011-04-22R0402增增D21更更更，防防电电为电电插插提电强强更防电强强升解解更更更更更更更，解解为电插解提电强电解解解解升解解8PLAY_ONPLAY_ONVCCIOPLAY_VB2211D343R24R2543MPEG3030EP55100K100KU65819D21DC_5VSG-D120

8、6PLAY_ONR0402R0402BATTVBR26PLAYSG-D1206PWR_EN1VOUT10KR27R28Q3R04020R12FM2307S3PTRD5VDD3BATTSOT23AR30R0402BAT54CD410K323PWR_K