MP3原理图

1 2 3 4 5 6 A B C D 654321 D C B A Title Number RevisionSize C Date: 22-May-2010 Sheet of File: E:\51单单单单单\开开开 \UMP3\CH375Ump3_2.DDBDrawn By: Y1 22.1184M C1 30pF C2 30pF R1 10K RST +5 C9 104 S7 SW-PB C3 10uF INT#1 RSTI2 WR#3 RD#4 TXD5 RXD6 NC.7 A08 V39 UD+10 UD-11 GND12 XI13 XO14 D0 15 D1 16 D2 17 D3 18 D4 19 D5 20 D6 21 D7 22 GND 23 ACT# 24 RST 25 RST# 26 CS# 27 VCC 28 U2 CH375 C8 104 +5 D0 D1 D2 D3 D4 D5 D6 D7 R2 1K +5 CH375CS Y2 12M C4 20pF C5 20pF GND 1 UD+ 2 UD- 3 VCC 4 5 6 USB USBZUO R3 22 R4 22 +5 + C6 1uF CH375A0 R5 1K CH375RD CH375WR CH375INT+C7 0.47uF+5 CH375 USB HOST MICP1 MICN2 XRESET3 DGND04 CVDD05 IOVDD06 CVDD17 DREQ8 GPIO2/DCLK9 GPIO3/SDATA10 NC11 NC12 X D C S / B S Y N C 1 3 I O V D D 1 1 4 V C O 1 5 D G N D 1 1 6 X T A L 0 1 7 X T A L 1 1 8 I O V D D 2 1 9 D G N D 2 2 0 D G N D 3 2 1 D G N D 4 2 2 X C S 2 3 C V D D 2 2 4 NC 25 RX 26 TX 27 SCLK 28 SI 29 SO 30 CVDD3 31 TEST 32 GPIO0/SPIBOOT 33 GPIO1 34 NC 35 NC 36 A G N D 0 3 7 A V D D 0 3 8 R I G H T 3 9 A G N D 1 4 0 A G N D 2 4 1 G B U F 4 2 A V D D 1 4 3 R C A P 4 4 A V D D 2 4 5 L E F T 4 6 A G N D 3 4 7 L I N E I N 4 8 U3 VS1003 SCLK SI SO R31 100K R32 100K C23 0.1uF R33 10K +3.3 +3.3 +3.3+2.5 C26 0.1uF +2.5 X C S C24 0.1uF C25 0.1uF +3.3 +3.3 X D C S Y3 12.288M C27 33pF C28 33pF R41 1M R30 100K R29 100K C22 0.1uF C21 0.1uF C20 0.1uF R27 100K MICP MICN +2.5 R28 10K +3.3 DREQ C19 0.1uF R I G H T G B U F C18 0.1uF C17 0.1uF R C A P L E F T L I N E I N +3.3 +3.3 +3.3 C38 1uF C39 1uF C37 100pF LS MIC R35 1K R36 1K + C36 10uF R37 1K R34 1K +2.5 + C35 10uF MICP MICN LEFT RIGHT GBUF C29 1uF C30 1nF C31 0.1uF R39 100KRCAP LINEIN + C32 10uF + C33 10uF + C34 10uF +5 +3.3 +2.5 1 2 3 J1 CON3 + C10 16V/100uF Vin1 G N D 2 Vout 3 U5 7805 C11 104 +5 stop up down POWER KEY VS1003 soundup sounddown +2.5 +3.3 XRESET R40 1K INPUT3 OUTPUT 2 G N D 1 U6 LM1117-3.3 INPUT3 OUTPUT 2 G N D 1 U7 LM1117-2.5 1 2 J2 SWITCH erji PHONEJACK2 J6 PHONEJACK2 D1 LED D2 LED P1.51 P1.62 P1.73 RST4 RxD/P3.05 INT2/P4.36 TxD/P3.17 INT0/P3.28 INT1/P3.29 T0/P3.410 T01P3.511 R D / P 3 . 7 1 3 W R / P 3 . 6 1 2 X T A L 2 1 4 X T A L 1 1 5 G N D 1 6 P 4 . 0 1 7 A 8 / P 2 . 0 1 8 A 9 / P 2 . 1 1 9 A 1 0 / P 2 . 2 2 0 A 1 1 / P 2 . 3 2 1 A 1 2 / P 2 . 4 2 2 A13/P2.5 23 A14/P2.6 24 A15/P2.7 25 PSEN 26 ALE 27 P4.1 28 EA 29 P0.7/AD7 30 P0.6/AD6 31 P0.5/AD5 32 P0.4/AD4 33 P 0 . 3 / A D 4 3 4 P 0 . 2 / A D 2 3 5 P 0 . 1 / A D 1 3 6 P 0 . 0 / A D 0 3 7 V C C 3 8 P 4 . 2 / I N T 3 3 9 P 1 . 0 / T 2 4 0 P 1 . 1 / T 2 E X 4 1 P 1 . 2 4 2 P 1 . 3 4 3 P 1 . 4 4 4 8051 MCU D 0 D 1 D 2 D 3 D4 D5 D6 D7 + 5 D G N D C H 3 7 5 A 0 C H 3 7 5 C S SCLK SO SI X C S X D C S D R E Q XRESET CH375INT C H 3 7 5 W R C H 3 7 5 R D X T A L 2 X T A L 1 STOP up soundup sounddown down RST TXD RXD XTAL1 XTAL2 +5DGND 12 34 56 78 power HEADER 4X2 +5 +5 +5 DGND DGND DGND S1 stop S2 PAST S3 NEXT S4 -- S5 ++ 1 2 3 4 5 6 7 8 J_LCD CON8 +3.3 DGND D0 D1 D2 D3 D4 D5 D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 5 J_P00_UP CON9 +5 1 2 3 4 5 J_P01_UP CON8 +5 R1IN13 R2IN8 T1IN11 T2IN10 C1+1 C1-3 GND15 V-6 V+ 2 VCC 16 C2- 5 C2+ 4 T2OUT 7 R2OUT 9 T1OUT 14 R1OUT 12 max232 MAX232 C13 1uF C14 1uF C12 1uF C16 1uF C15 1uF DGND +5 1 6 2 7 3 8 4 9 5 J_Uart DB9 TXD RXD RVLCD1 10K LCD显显显显12864 +5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LCM1602 16PIN DGND +5 V0 DGND +5 P12 P11 P10 D0 D1 D2 D3 D4 D5 D6 D7 P 1 0 P 1 1 P 1 2