MP3开发板原理图

1 2 3 4 5 6 7 8 A B C D 87654321 D C B A Title Number RevisionSize A3 Date: 8-Aug-2009 Sheet of File: E:\XG业务\SHT_MP3\涛行MP3模块\V2.1\Protel\涛行MP3播放模块\涛行MP3播放模块.ddbDrawn By: LED_O0 LED_O1 VCC D1 D2 D3 1 2 3 4 5 PR1 330欧排阻 输出指示灯 G N D 1 Vout 2Vin3 U3 LM1117-2.5V C13 100uF/10V C15 10uF/10V C14 104 VCCVCC_5V C16 104 k3 Reset R2 10k VCC MCU_RST P31/XTAL1 8 P10/TXD18 P30/XTAL2/CLKOUT 9 P24/SS 15 P11/RXD17 P12/SCL/T012 P13/SDA/INT011 VSS 7 P16/OCB5 P17/OCC4 P00/CMP2/KBI03 P01/CIN2B/KBI126 P02/CIA2A/KBI225 P03/CIN1B/KBI324 P04/CIN1A/KBI423 P05/CMPREE/KBI522 P06/CMP1/KBI620 P07/T1/KBI719 P20/ICB 1 P21/OCD 2 P22/MOSI 13 P23/MISO 14 P25/SPICLK 16 P26/OCA 27 P27/ICA 28 P15/RST6 P14/INT110 VDD 21 U1 P89LPC932 MCU_VDD GND R1 4.7k 1 2 J1 2PIN VCC MCU_RST MCU_TXD MCU_RXD BUSY STB MCU_SCL MCU_SDA SPI_MOSI SPI_MISO MCU_MOSI MCU_MISO MCU_SS SPI_SCK CLK/SCK CMD/DI DATA0/DO SD_CS SD_CS SPI_MOSI SPI_SCK SPI_MISO 12345 R3 10k VDD4 CS1 DI2 SCK5 DO7 CARD_IN10 CARD_WP11 D18 D29 VSS13 VSS26 GND12 GND13 GND14 GND15 SD_CARD SD_CARD J6 VCC VCC D4 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 0 1 5 D G N D 1 1 6 X T A L O 1 7 X T A L I 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 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 U2 VS1003B MICP MICN XRESET GND 2.5v +3.3v 2.5v DREQ GPIO2 GPIO3 C7GND R4 100k C9 104 C11 104 X D C S + 3 . 3 v G N D X T 1 X T 2 + 3 . 3 V G N D X C S 2 . 5 V GPIO1 GPIO0 2.5V MCU_MISO MCU_MOSI MCU_SCK VS_TX C12 104 A G N D L E F T + 3 . 3 V _ V A R C A P + 3 . 3 V _ V A A G N D R I G H T + 3 . 3 V _ V A A G N D C3 C2C1 AGND C5 33P C8 33P XT1 XT211 2 2 X1 12.288MHz R5 1M +3.3V R6 100k G B U F +3.3V 解码DSP核心 R9 20R R10 20R C21 10nF C22 10nF J6 PHONEJACK STEREO AGND LEFT RIGHT GBUF R11 20R C23 10nF 音频输出部分 C17 10uF/10V C18 104 R8 0 AGND +3.3V_VAVCC C19 104 PA8 PA7 PA31 PA25 XCS XDCS XRESET DREQ XCS XDCS XRESET DREQ PCL PDA 1 2 3 4 5 6 7 8 9 10 J4 HEADER 5X2 MCU_VDD GND MCU_RST PCL PDA BUSY GPIO1 GPIO0 R7 0 GPIO2 GPIO3 LED_O0 LED_O1 P20 P21 MCU_SCK P27 P26 1 2 3 J7 VCC_5V 外接电源插座 1 2 J5 2PIN J_SET_1 1 2 J3 2PIN J_SET_2 J_SET_1 J_SET_2 GPIO0 C4 R C A P 1 2 3 4 J8 CON3 LEFT RIGHT GBUF AGND 2.5V+3.3V MCU_X1 MCU_X2 C6 33P C10 33P MCU_X1 MCU_X211 2 2 X2 12.288MHz R12 100k R13 100k C4 C20 VCC R14 100k SW2 SW SPST SW3 SW SPST VCC SW4 SW SPST R15 100k STB P21 P26 P27 SPI_SCK SPI_MOSI SPI_MISOSI1 SCK2 /RES3 CS4 /WP 5 VCC 6 GND 7 SO 8 U7 AT45DB161D-SU VCC GND CS_161 VCC VCC CS_161 C24 104 MCU_TXD MCU_RXD VCC_5V MCU_SCL MCU_SDA CARD_IN CARD_IN 涛行MP3开发板(V1.0) 邮箱:xg_2004_sy@126.com 电话：(025)51615878