MP3电路原理图PCB

1

2

3

4

LCD液晶显示模块LCD12864 VCC1 2 3 RS WR RD 7 8 9 10 11 12 13 14 CS 16 RESET 18 19 20

COP1 P1

CORP1 RP1

104

P34 P35 P36 P20 P21 P22 P23 P24 P25 P26 P27 P05

P07

A

P20 P21 P22 P23 P24 P25 P26 P27

PIS102COS1 PIS10

S1 SW-PB

PIC101 PIC102 PIR202 PIR201

COC1 C110uF

COD1 D1

PIC202

COR2 R21K VCC27 26 29 4

PIC201

COC2Y1 COC3 C2COY1 C3 30pF 1 30pF 2 PIY102 PIY101

PIC302

COR1 R1VCCPIR101 PIR102 PID101

PIC301

PID102

P04

GND

PI 10 PI 102 PI 103 PI 104 PI 105 PI 106 PI 107 PI 108 PI 109 PI 10 PI 10 1 PI 10 2 PI 10 3 PI 10 4 PI 10 5 PI 10 6 PI 10 7 PI 10 8 PI 10 9 PI 102VCC VCC

1 2 3 4 5 6 7 8 9

GND

PIRP10 PIRP102 PIRP103 PIRP104 PIRP105 PIRP106 PIRP107 PIRP108 PIRP109VCC

A

470

XTAL

LED0PIR302

PIR303PIR301

14 15

38

GND

COU1 U1

PIU1027 PIU1026 PIU1029 PIU104 PIU10 4 PIU10 5 PIU1038XTAL2 XTAL1 VCC

VCC

COR3 R3RPot 1K GND

COP2 P2PIP201

ALE/PROG PSEN EA/VPP RST

PIP203 P17 PIP205

NLXDCS XDCS NLXRST 1 XRST

NLP16 5 P16 PIP207PIP209

NLP17

3 7 9

2 4 6 8 10

PIP202

PIP204 P15 PIP206

NLXCS XCS NLDREQ DREQ

NLSCKPIU106 SCK 6 P4.3 NLCS 17 CS

NLP15

NLMOSI 28 MOSI PIU1028GND

PIU1017

P4.0 P4.2 P3.0/RxD P3.1/TxD P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RDVSS

PIP208 PIP2010

P4.1 NLMISO 39 MISO PIU1039 RXDPIU105 5 TXDPIU107 7 NLINT0PIU108 INT0 8 NLINT1PIU109 INT1 9 NLP34 PIU1010 P34 10 NLP35 PIU1011 P35 11 NLP36 12 P36 PIU1012 NLP37 PIU1013 P37 13

STC12C5A60S2

VCC B

J_MP3

VCC

P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 P1.0/T2 P1.1/T2EX P1.2/ECI P1.3/CEX0 P1.4/CEX1 P1.5/CEX2 P1.6/CEX3 P1.7/CEX4

37 NLP00 P00 36 NLP01 P01 35 NLP02 P02 PIU1035 34 NLP03 P03 PIU1034 33 NLP04 P04 PIU1033 32 NLP05 P05 PIU1032 NLP06 31 P06 PIU1031 30 NLP07 P07 PIU1030PIU1037 PIU1036

按键模块 DS1302时钟模块COR4 R4PIR402 PIR401PIR501

COS2 S2PIS201 PIS202

RXD B

P01 P02PIU208 1 PIU201PIU206

SW-PB

P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8

40 XRST 41 XDCS 42 XCS PIU1042 43 DREQ PIU1043 44 NLP14 P14 PIU1044 1 P15 PIU101 2 P16 PIU102 3 P17 PIU103PIU1040 PIU1041

COR5 R5VCCPIR502

10K

COS3 S3PIS301 PIS302

TXD

COR6 R6PIR602

PIR601

32768Hz1

PIY201 COY2PIY20

COU2 U2 P00 7 PIU207 SCLK VCC1 10K PIU205 5 RST VCC2 2 PIU202 X1 3 PIU203 X2 I/O10KPIU204

8

SW-PB VCC

COS4 S4

6

Y2 GND

4

GND

PIBT10 COBT1PIBT102

PIS401

PIS402

INT0

SW-PB

GND

PIU10 6 PIU1025 PIU1024 PIU1023 PIU102 PIU1021 PIU102 PIU10 9 PIU10 825 24 23 22 21 20 19 18 P27 P26 P25 P24 P23 P22 P21 P20

2

BT1 Battery

COS5 S5PIS501 PIS502

INT1

16

DS1302Z

COSD0J1 SD_J1MISO SCK MOSI CS P16 P17 P15 PISD0J102 P14 PISD0J101PISD0J104 PISD0J103

SW-PB

NLP27NLP26NLP25NLP24NLP23NLP22NLP21NLP20

COS6 S6PIS601 PIS602

P03

SW-PB GND

C

COP3 P3Power COISP1 ISP1PIISP101 TXD PIISP103

C

NLRXD RXD

COS7 S72 4 6 8PIISP102 PIISP104PIISP106 PIISP108

NLTXD

PIISP105 PIISP107

1 3 5 7

PIS702

2

PIS703

3

ISP

4X2

PIS705

5

1 6 PIS706PIS701

VCC GND VCC 2 3 G

ND NC NC USB1 COUSB1PIUSB101 2 PIUSB102

电源模块COU3 U31 3 PIUSB103 4 PIUSB104 5 PIUSB105 6PIUSB106

1 2

程序下载模块

PI 301 PI 302D2 COD2 VCCPIU302 4 PIU304

4 PIS704 SW-DPDT

PIC401 PIC402

C4 COC4 470uF

PIU303 1 PIU301

3

IN OUT GND OUT

2

R7 COR7PIR701 PIR702 PID201 PID202

REG1117-3.3v

PIC501 PIC502

C5 COC5 470uF

PIC602 PIC601

C6 COC6 104

470

LED0

GND

D

Title

D Number Revision

Size A4 Date: File: 1 2 3

2012/4/10 D:\

\..\Sheet1.SchDoc

Sheet of Drawn By: 4

COP1

PAP1020 PAP1019 PAP1018 PAP1017 PAP1016 PAP1015 PAP1014 PAP1013 PAP1012 PAP1011 PAP1010 PAP109 PAP108 PAP107 PAP106 PAP105 PAP104 PAP103 PAP102 PAP101CORP1 PARP109 PARP108 PARP107 PARP106 PARP105 PARP104 PARP103 PARP102 PARP101COR3COC3 COBT1 COC2

COS7

PAS701PAISP102 PAISP104 PAISP106 PAISP108

PAS706

COD2

PAR303 PAR302 PAR301

PAISP101 PAISP103 PAISP105 PAISP107

COISP1

PAS702PAS703

PAS705PAS704

PAD202 PAD201COR7

PAR701 PAR702

PABT102

PABT104

PABT103

PABT101

PAC302 PAC202 PAC301 PAC201

PAC601 PAC602 COC6COY1COP2

PAY101

PAY102

COC5 PAC502 PAC501

COS3

PAS302PAS202 PAS502

PAS301PAS201 PAS501

PAP2010 PAP209PAU102 PAU1021 PAU1020 PAU1019PAU1018 PAU1017PAU1016PAU1015PAU1014PAU1013PAU1012PAR502 PAR501 COR5 PAR402 PAR401 COR4 PAR602 PAR601 COR6 PAU201 PAU202 PAU203 PAU204PAY202 COY2 PAY201PAU1023 PAU1024 PAU1011 PAU1010PAU109

COS2

PAP208 PAP207 PAP206 PAP205COSD0J1PAU108PAU107 PAU106

COU2

PAU1025

PAU1026PAU1027 PAU1028

PAU208 PAU207 PAU206 PAU205

PAP204 PAP203

PAU1029 PAU1030 PAU1031 PAU1032 PAU1033

PAU105 PAU104 PAU103 PAU102 PAU101

PAU301 PAU302 PAU303

COU3

COS5COP3

PASD0J104

PAP202 PAP201

PAU304

PAP301 PAP302COS4

PAU1034 PAU1035 PAU1036 PAU1037PAU1038 PAU1039PAU1040PAU1041PAU1042PAU1043PAU104

PASD0J103

PAS402

PAS401PAS601

COU1

PASD0J102PASD0J101PAC401 COC4COUSB1

COS6 PAS602COR1

PAC402

PAR101 PAR102COD1

PAD102 PAD101

PAS103COS1

PAS101 PAS102COC1

PAC102COR2

PAUSB101 PAUSB102 PAUSB103 PAUSB104PAR202 PAR201

PAS104