UF1 5 4 TC4請靠近IC夸於1腳與3腳。 VCC33 C3 1U 3.7V DACOL VCOM DACOR AUX ADC D 1 2 3 4 5 6 7 8 V33REG V50REG VSSREG DACOL VCOM DACOR LINEIN_R+L IOA4 GPD2846-55-56 IOB2 IOB0 IOB1 IOA0 DP DM IOA2 IOA3 3 2 1 CTC110uF 16 15 14 13 12 11 10 9 1 IOB2 IOB0 IOB1 IOA0 DP DM MUTE 32768 J6 OUT ER5 47K TC3 10uF FML 3 4 2 1 DACOL L EU2 3.7V 2 R11 10K 1 PHONOJACK STEREO-14 4 2 R7 10K C6 L 104 -IN 3 +IN TC5 EARPHONE_DET 10uF R DACOR EC12 105 R TC2 VO1 5 6 10U 2 VDD TC4 BYPASS VO2 LS1 SPK D 8 10uF FMR GND GND 7 3 LO 2 L R GND G IOB2 R12 10k R9 10k C7 4 C 9 8 7 6 5 4 3 2 1 5 CD SDCDAT1 DAT0 VSS CLK VDD CMD DAT3 DAT2 MUTE J5 JACK_5Pin 1 VCC33 SDC SHUTDOWN 8002 AUX R4 2K 1 105 C AUX IOB1 IOB0 U3 SDCON GND R8 UF2 AD KEY2(IOA0上 拉 1K到 3.3V） USB2 AD KEY1 USB-HOST VCC DD+ GND SHIELD SHIELD 1 2 3 4 5 6 1K IOA0 R10 2 VCC33 22K R29 3.7V DN DP FM 1RECEIVER E1 ANTENNA 22K 3 FGND ADC ADC R3 2.4K USB-TypeA USB5 S1 V33_ADDA R5 47K S2 R1 7.5K S3 R26 R25 B 2.4K 47K LF2 5 100nH 6 24pF/18pF S13 V33_ADDA S14 7 PREV/VOLPREV/RW R27 4 CF1 7.5K RDA5807: 24pF 8 S15 PLAY/PU/MODE NEXT/FF R21 12K S9 R28 18K S16 GPIO1 GPIO2 GND GPIO3 GND GND FM IN ROUT GND LOUT GND GND SCLK VDD SDIO RCLK POWER J3 1 2 18K R16 27K R20 VOL- S5 IOB0 FMCLK IOB2 FMDATA R22 27K S10 R23 47K S11 R24 100K S12 FGND 12 R14 11 FMR 10 FML GND 10 B VCC33 C5 9 10U 0R R15 R13 FGND 1K NC C8 VOL+ S6 14 13 100P FGND 32768 PLAY/PAUSE SW SPST/SM BAT 3.7V GND R2 15 RDA5807/BK1080 BK1080: 18pF NEXT/VOL+ SW1 16 BAT3.7V R17 47K PLAY/PAUSE S7 REPEAT R18 100K REPEAT S8 MODE MODE R6 EQ D1 1 EQ 2 R19 A 180K LED 1K A R30 180K IOA0 EARPHONE_DET Title EARPHONE_DET TEL:136-3292-3225 Size B Date: 5 4 3 2 Rev 0.1 Tuesday, February 18, 2014 Sheet 1 1 of 1