5按键MP3播放器原理图.pdf

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1、11223344DDCCBBAATitleNumberRevisionSizeA4Date:2007-1-4Sheet ofFile:E:单片机设计.mini_mp3.SchDocDrawn By:123POWERD1IN41480.1uFC110uFC2GND1IN3OUT2OUT4U1REG1117-50.1uFC310uFC4VCCGND1IN3OUT2OUT4U2REG1117-3.30.1uFC510uFC63.3VGND1IN3OUT2OUT4U3REG1117-2.50.1uFC710uFC82.5VD2LED01KR13.3V0R20R33.3VACS1DI2VSS13VDD4

2、SCLK5VSS26DO7RSV8RSV9SD10KR410KR547KR647KR747KR847KR93.3VMISOSCKMOSISD_CSAGND123456789101112131415161718LCDVCCVCC223311R_20KVLCDVLCDLCDE1LCDE2LCDR/WLCDA0LCD_DATA0LCD_DATA1LCD_DATA2LCD_DATA3LCD_DATA4LCD_DATA5LCD_DATA6LCD_DATA7LCD_ONKEY_PLAYKEY_UPKEY_DOWMKEY_NEXTKEY_PREV11223344KEY_UP11223344KEY_DOWN1

3、1223344KEY_NEXT11223344KEY_PLAY11223344KEY_PREVPB0(XCK/T0)40PB1(T1)41PB2(AIN0/INT2)42PB3(AIN1/OC0)43PB4(SS)44PB5(MOSI)1PB6(MISO)2PB7(SCK)3RESET4PD0(RXD)9PD1(TXD)10PD2(INT0)11PD3(INT1)12PD4(OC1B)13PD5(OC1A)14PD6(ICP)15PD7(OC2)16XTAL27XTAL18GND6PC0(SCL)19PC1(SDA)20PC2(TCK)21PC3(TMS)22PC4(TDO)23PC5(TDI

4、)24PC6(TOSC1)25PC7(TOSC2)26AREF29AVCC27GND28PA7(ADC7)30PA6(ADC6)31PA5(ADC5)32PA4(ADC4)33PA3(ADC3)34PA2(ADC2)35PA1(ADC1)36PA0(ADC0)37VCC5VCC17GND18VCC38GND39U4ATmega32L-8AISD_CSMOSIMISOSCKLCD_DATA0LCD_DATA1LCD_DATA2LCD_DATA3LCD_DATA4LCD_DATA5LCD_DATA6LCD_DATA7DREQ/xCS/xDCS/xRESETLCDA0LCDR/WLCDE2LCDE1

5、KEY_PLAYKEY_UPKEY_DOWMKEY_NEXTKEY_PREVRESETXTAL1XTAL23.3V12P1RX_TXLCD_DATA0LCD_DATA112345678910P2JTAGTCKTMSTDOTDI10KR1010KR1110KR1210KR133.3VTDIGND3.3VTMSTDOTCKVCC128MY133pFC933pFC10XTAL1XTAL23.3V10KR14RESETMICP1MICN2XRESET3DGND04CVDD05IOVDD06CVDD17DREQ8GPIO2/DCLK9GPIO3/SDATA10NC11NC12XDCS13IOVDD114

6、VCO15DGND116XTALO17XTALI18IOVDD219DGND220DGND321DGND422XCS23CVDD224NC25RX26TX27SCLK28SI29SO30CVDD331TEST32GPIO0/SBOOT33GPIO134NC35NC36AGND037AVDD038RIGHT39AGND140AGND241GBUF42AVDD143RCAP44AVDD245LEFT46AGND347LINEIN48VS1003BU5100KR153.3V2.5V2.5V3.3V2.5VDREQ/XDCS3.3V2.5VGND100KR16100KR170.1uFC110.1uFC

7、120.1uFC13XT1XT23.3V/XCS0.1uFC140.1uFC150.1uFC163.3VSCKMOSIMISO2.5V3.3V100KR18100KR190.1uFC191212.288MY233pFC1733pFC18XT1XT2LEFTRIGHT3.3VA3.3VA3.3VA0.1uFC200.1uFC210.1uFC22100R20100R21100uFC23100uFC2410KR2310KR22LEFT1RIGHT2AGNG3PHONE123POWER_SWITCHPOWERPOWER_ONPOWERPOWER_ONAGNDAGNDLEFTRIGHTLCD_ON/XRESETPDF 文件使用 pdfFactory Pro 试用版本创建