STC最小系统板原理图(学生用)


1

2

3

4

5

6

7

8

VCC

PIR102
A

COR1 R1
Res2 PIR101 1K

PIDS10 PIDS102

COJ1 J1
VCC1 1 PIJ101 4 2 PIJ102 D3 PIJ103 D+
PIJ104

VBUS
PIJ105
PIJ106

CODS1 DS1
LED1 GND

GND

COU2 U2 P1.0 PIU201 1 T2/P1.0 P1.1 PIU202 2 T2EX/P1.1 P1.2 PIU203 3 P1.2 P1.3 PIU204 4 P1.3 P1.4 PIU205 5 P1.4 P1.5 PIU206 6 P1.5 P1.6 PIU207 7 P1.6 P1.7 PIU208 8 P1.7
P3.0 PIU2010 10 P3.1 PIU2011 11 P3.2 PIU2012 12 P3.3 PIU2013 13 P3.4 PIU2014 14 P3.5 PIU2015 15 P3.6 PIU2016 16 P3.7 PIU2017 17 RST PIU209 9 RxD/P3.0 TxD/P3.1 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 WR/P3.6 RD/P3.7

P0.0/AD0 38 P0.1 P0.1/AD1 PIU2038 37 P0.2 P0.2/AD2 PIU2037 36 P0.3 P0.3/AD3 PIU2036 35 P0.4 PIU2035 P0.4/AD4 34 P0.5 P0.5/AD5 PIU2034 33 P0.6 P0.6/AD6 PIU2033 32 P0.7 P0.7/AD7 PIU2032 P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8 P4.6/EA ALE/P4.5 P4.4/PSEN XTAL2 28 P2.7 27 P2.6 26 P2.5 25 P2.4 PIU2025 24 P2.3 PIU2024 23 P2.2 PIU2023 22 P2.1 PIU2022 21 P2.0 PIU2021
PIU2028 PIU2027 PIU2026 PIU2031

39 P0.0 PIU2039

787761-1 GND

COP3 P3
VCC GND GND
PIP301 PIP303 PIP305

1 3 5

2 4 6

PIP302 PIP304 PIP306

VCC VCC GND

Header 3X2

31

P4.6

COJ2 J2

2 PIJ202 3 PIJ203 1 PIJ201

GND

COBT1 BT1
PIBT101

VCC1 VCC

RST

30 P4.5 PIU2030 29 P4.4 PIU2029 18 X2 PIU2018 19 X1

COP1 P1 P1.0 PIP101 1 P1.1 PIP103 3 P1.2 PIP105 5 P1.3 PIP107 7 P1.4 PIP109 9 P1.5 PIP1011 11 P1.6 PIP1013 13 P1.7 PIP1015 15 RST PIP1017 17 P3.0 PIP1019 19 P3.1 PIP1021 21 P3.2 PIP1023 23 P3.3 PIP1025 25 P3.4 PIP1027 27 P3.5 PIP1029 29 P3.6 PIP1031 31 P3.7 PIP1033 33 X2 PIP1035 35 X1 PIP1037 37 GNDPIP1039 39

NLP100 P1.0 2 PIP102NLP101 P1.1 4 PIP104NLP102 P1.2 6 PIP106NLP103 P1.3 8 PIP108NLP104 P1.4 10 PIP1010NLP105 P1.5 12 PIP1012NLP106 P1.6 14 PIP1014NLP107 P1.7 16 PIP1016NLRST RST 18 PIP1018 P3.0 20 PIP1020 P3.1 22 PIP1022 P3.2 24 PIP1024 P3.3 26 PIP1026 P3.4 28 PIP1028 P3.5 30 PIP1030 P3.6 32 PIP1032 P3.7 34 PIP1034 NLX2 X2 36 PIP1036 NLX1 X1 38 PIP1038 GND 40 PIP1040

COP2 P2 VCC PIP201 1 P0.0 PIP203 3 P0.1 PIP205 5 P0.2 PIP207 7 P0.3 PIP209 9 P0.4 PIP2011 11 P0.5 PIP2013 13 P0.6 PIP2015 15 P0.7 PIP2017 17 P4.6 PIP2019 19 P4.5 PIP2021 21 P4.4 PIP2023 23 P2.7 PIP2025 25 P2.6 PIP2027 27 P2.5 PIP2029 29 P2.4 PIP2031 31 P2.3 PIP2033 33 P2.2 PIP2035 35 P2.1 PIP2037 37 P2.0 PIP2039 39

NLVCC VCC 2 PIP202NLP000 P0.0 4 PIP204NLP001 P0.1 6 PIP206NLP002 P0.2 8 PIP208NLP003 P0.3 10 PIP2010NLP004 P0.4 12 PIP2012NLP005 P0.5 14 PIP2014NLP006 P0.6 16 PIP2016NLP007 P0.7 18 PIP2018NLP406 P4.6 20 PIP2020NLP405 P4.5 22 PIP2022NLP404 P4.4 24 PIP2024NLP207 P2.7 26 PIP2026NLP206 P2.6 28 PIP2028NLP205 P2.5 30 PIP2030NLP204 P2.4 32 PIP2032 NLP203 P2.3 34 PIP2034 NLP202 P2.2 36 PIP2036 NLP201 P2.1 38 PIP2038 NLP200 P2.0 40 PIP2040

A

Header 20X2

Header 20X2

PIBT102

PWR2.5

Battery

COD1 D1
PID101 PID102

PIC101 PIC102

40 PIU2040

COC1 C1
10uF

PI0.1uF C201 COC2 PPIU2020 IC2 20 C202

VCC

GND

XTAL1

PIU2019

STC89C52 GND

COR2 R2
PIR202 PIR201

B VCC

Diode 1N4001

1K COY1 Y1
PIY101

COP7 P7 P1.0 PIP701 1 P1.1 PIP702 2 P1.2 PIP703 3 P1.3 PIP704 4 GNDPIP705 5

6 7 8 9 10

VCC P1.7 P1.6 PIP708 P1.5 PIP709 P1.4 PIP7010
PIP706 PIP707

COP4 P4 P2.0 PIP401 1 P2.1 PIP402 2 P2.2 PIP403 3 P2.3 PIP404 4 GND PIP405 5

6 7 8 9 10

VCC P2.7 P2.6 P2.5 PIP409 P2.4 PIP4010
PIP406 PIP407 PIP408

B

1

PIY102

2

Header 5X2A

Header 5X2A

PIR302
COR3 R3

PIR301

COSW1 SW1 Res2 1 PISW101 1K 2 PISW102 3 PISW103

6 PISW106 5 PISW105 4 PISW104

PIC501
PIC502 PIR402 PIR401

PIC302 PIC301
COC5 C5
100pF RST 1 PISW201 2 PISW202 3 PISW203 6 PISW206 5 VCC2 NLVCC2 PISW205 4 VCC PISW204 P6 COP6 GND PIP601 1 P3.0 PIP602 2 P3.1 PIP603 3 VCC PIP604 4 P1.0 PIP605 5 P1.1 PIP606 6 RST PIP607 7 NLGND2 GND2 PIP608 8 Header 8 GND

30MHz PIC402

COC3 C3 30pF

PIC401

COC4 C4 30pF

GND

COR4 R4 10K

COSW2 SW2 COU6 U6

COP5 P5 P0.0 PIP501 1 P0.1 PIP502 2 P0.2 PIP503 3 P0.3 PIP504 4 P0.4 PIP505 5 GNDPIP506 6

7 8 9 10 11 12

VCC P4.4 PIP508 P4.5 PIP509 P0.7 PIP5010 P0.6 PIP5011 P0.5 PIP5012
PIP507

COP10 P10 P3.0 PIP1001 1 NLP301 P3.1 PIP1002 2 P3.2 PIP1003 NLP302 3 P3.3 PIP1004 NLP303 4 GND PIP1005 5

6 7 8 9 10

VCC NLP307 P3.7 P3.6 NLP306 P3.5 NLP305 PIP1009 P3.4 NLP304 PIP10010
PIP1006 PIP1007 PIP1008

Header 5X2A

Header 6X2A

GND

NLVCC1 3 VCC1 PIU603
VCC3 4
PIU604

IN TAB

OUT GND

PIU602

NLVCC3 2 VCC3
1

COP11 P11 VCC PIP1101 1 P4.6 PIP1103 3

2 4

PIP1102 PIP1104

VCC NLGND GND

Header 2X2

PIU601

COP8 P8
VDD PIP801 1 VCC2 PIP803 3 VO_3v3 PIP805 5 2 4 6
PIP802 PIP804 PIP806

LM1117MP-3.3 VCC3 VCC2 VCC1 VCC2 R5 COR5 PIR501
PIR502

C6 COC6 28 PIU7028
PIU7027

Header 3X2

C

P9 COP9 P2.0 PIP901 1 P2.4 PIP903 3 P3.4 PIP905 5 P3.5 PIP907 7 2 4 6 8 VCC GND GND PIP906 GND PIP908
PIP902 PIP904 PIC802 PIC801

PIU704

4

VDD-232 GND NC DTR-N RTS_N RI_N DSR_N DCD_N CTS_N SHTD_N PLL_TEST GND-A NC GP1 GP0 NC VDD-5V GND GND_3V3 VO-3V3 DM DP

C8 COC8 0.1uF

PIU707

GND7

8 PIU708 DTR_N 2 PIU702 RTS_N 3 PIU703 RI_N 6 PIU706 DSR_N 9 PIU709 DCD_N 10 PIU7010 CTS_N 11 PIU7011 SHTD_N 12
PIU7012

26 25 24 23 PIU7023 22 PIU7022
PIU7026 PIU7025 PIU7024 PIU7019

1

220K

COU7 U7 TXD_2303 1 PIU701 TXD RXD_23035 PIU705 RXD

OSC2 OSC1

27

PIY20 COY2 PIY201 COC7

PIC602 PIC601

30pF GND

Y2 12MHz C7 30pF

S1 COS1 NLTXD02303 TXD_2303 1 PIS101 RXD_2303 2 NLRXD02303 PIS102 P1.0 PIS103 3 P1.1 PIS104 4 SW-DIP4 P12 COP12 DTR_N NLDTR0N PIP1201 1 RTS_N NLRTS0N PIP1202 2 RI_NPIP1203 NLRI0N 3 DSR_N NLDSR0N PIP1204 4 DCD_N NLDCD0N PIP1205 5 CTS_N NLCTS0N PIP1206 NLSHTD0N 6 SHTD_N PIP1207 NLEE0CLK 7 EE_CLK PIP1208 NLEE0DATA 8 EE_DATA PIP1209 9 Header 9

D2 COD2 8 7 P3.1 6 PIS106 5 PIS105
PIS108 PIS107 PID202 PID201

NLP300 P3.0 1N5819

2

GND C

GND

PIC702 PIC701

GND

Header 4X2 R8 COR8 PIR801 R9 COR9 PIR901 COR10 R10 PIR1001 COR11 R11
PIR1101 PIR802 PIR902

19 20 21 18 17 16 15

VO_3v3

VDD

PIR602
COR6 R6

PIR702
COR7 R7

220K 220K PIR1002 220K PIR1102 220K

PIU7020 PIU7021 PIU7018 PIU7017

VDD C9 COC9 PIC901 PIC902 0.1uF VO_3v3

GND

GND

PIR601 1K

PIR701 1K
4.7K 4.7K

PIDS201 PIDS20
GND

DS2 CODS2 LED1

PIDS301 PIDS302
GND

PIR1301 PIR1401
R13

EE_CLK 13 PIU7013 EE_CLK EE_DATA 14 PIU7014 EE_DATA

PIU7016 PIU7015

NLDM DM NLDP DP

PIC10 PICC11 PICC12 PICC13 CCOC10 COC11 12C02 OC12 13COC13 10 2 1 01 01 PI10uF PIC0.1uF PIC10uF PIC0.1uF C10 1 1 02 1201 1302 PIR1201
R12 COR12 1.5K PIR1202
PIJ301 PIJ302

VDD J3 COJ3 1 VBUS 2 D3 PIJ303 D+ 4 PIJ304 GND 787924-1 P13 COP13 VDD PIP1301 1 GNDPIP1303 3 GNDPIP1305 5 VO_3v3 PIP1307 7 2 4 6 8 VDD NLVDD GND GND VO_3v3 NLVO03v3 PIP1308
PIP1302 PIP1304 PIP1306

DS3 CODS3 LED1

COR13

COR14
PIR1302 PIR1402
VO_3v3

R14

PL2303HX
PIR1502 PIR1501

R15 COR15 PIR1602 R16 COR16

27R PIR1601 27R

PIJ305 PIJ306

Header 4X2

GND

D

D

Title

Size A3 Date: File: 1 2 3 4 5 6

Number

Revision

2011/6/16 F:\ 7

Sheet of \..\STC1.SchDoc Drawn By: 8


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