求助！！DS18B20，毕业设计用~~~_软件运维

目录 3

1 前言 5

1.1课题研究背景及意义 5

1.2测温技术的发展与应用 5

2 系统总体方案的设计 7

2.1系统的功能要求及硬件选型 7

2.1.1系统的功能 7

2.1.2设计思路： 7

2.2.1温度传感器的选型 8

2.2.2单片机型号的选型 8

2.3系统的总体设计 8

3：80C51单片机内部结构和工作原理 10

3.1 80C51系列单片机结构 10

3.2 存储空间配置和功能 10

3.3 片内RAM结构和功能 11

3.4 特殊功能寄存器 12

3.5 程序计数器PC的作用和基本工作方式 13

3.6 时钟和时序 14

3.7 复位电路、复位条件和复位后状态 14

4 系统硬件的设计 16

4.1硬件系统的总体设计 16

4.2 温度采集电路 16

4.2.1 温度采集芯片的选择 16

4.2.2 DS18B20概述 17

4.2.3 由DS18B20构成的测温电路 19

4.3 时钟电路与数码管显示电路 20

4.3.1 时钟电路的选型 20

4.3.2 LED显示原理 20

4.3.3 显示分类与显示模块选型 21

4.3.4 数码管译码器 21

4.3.5 显示接口电路的设计 22

4.4看门狗电路和报警电路 23

4.4.1 看门狗技术 23

4.4.2 外扩充看门狗专用芯片DS1232 23

4.4.3 DS1232的工作原理 24

4.4.4 硬件电路连接： 24

4.4.5 系统超限报警电路 25

4.4.6 报警接口电路的设计 25

4.5计算机通信电路的设计 26

4.5.1 RS232C简介 26

4.5.2 实现上位机(PC机)与下位机(单片机)的通信 27

4.6硬件连接电路 27

5．系统软件的设计 29

5.1 编程环境 29

5.2 内RAM资源的分配 29

5.3 DS18B20的通信协议 29

5.4系统软件设计 31

5.4.1 系统主程序设计 31

5.4.2 各功能子程序 32

5.4.2.1 DS18B20复位程序 32

5.4.2.2 写一个字节 33

5.4.2.3 读一个字节 34

5.4.2.4 LED数码管显示程序 35

5.4.2.5 温度读取和转换 36

5.4.2.6 单片机上传数据 37

6 总结 39

哥们，我今年也做这个设计，已经完成了，这是我做得。可惜都是汇编

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064-200K电位器

064-25K电位器

064-2K电位器

1.5KE12CA

104电容

10ETS08

1360T

14163

1489P

16L8BN

16R6DNC

16R8

16V8A-15

16V8H-10

16V8H-5JC/5

16V8H-7

16V8Q-25

16V8Z-25

2.2V稳压二极管

2705P-5

27C010P-20P

27C128-250

27C128Q150

27C256

27HC010-45CW

28C64

2N3904

2N3906

2SB772/JM

2SB772-AZ/JM

2SB882M

2SD882

2SD882/JM

2SJ326

2SK1317-E

3.3V稳压管

31DQ10

3296-50K

34017-1P

3656BG

3V3704T

4006

40100

40108

4017

4022

4046

4049

4053

4068

4072

4081

4082

4520

4541

4558D

4585

4813030AA

4N25

4N26

4N27

4N33

4N38

54HC163J

54HC257J

62256P

628128-7

628128BLP-7

628128BLP-8

62C256

62C256-45

62T32

62T32B

6N135

6N136

6N137

6N137-000E

6N138

6N139

7201AJ

7406

74122

7416

7474HC245DR

7496

74ACT05

74AHC74

74ALS241CDW

74ALS574B

74ALV16245DL

74F163APC

74F244

74H01

74HA04

74HC02D

74HC04AD

74HC04D

74HC08

74HC08D

74HC08N

74HC10BIR

74HC11N

74HC125D

74HC125N

74HC132E

74HC138CN

74HC138D

74HC138E

74HC138N

74HC151E

74HC154D

74HC157D

74HC164B1R

74HC164N

74HC174

74HC174N

74HC193N

74HC221N

74HC240N

74HC241N

74HC244DWR

74HC244N

74HC245

74HC273N

74HC32

74HC32D

74HC374

74HC374D

74HC374N

74HC393N

74HC4046AN

74HC4052N

74HC4053N

74HC4066N

74HC573N

74HC574N

74HC595N

74HC74D

74HC85N

74HC86

74HC86N

74HCT02N

74HCT240

74HCT273

74HCT373

74HCT373DR

74HCT373N

74HCT393N

74HCT573N

74HCT688N

74HCT74N

74LCX08M

74LCX245MTC

74LS00

74LS02

74LS05

74LS09

74LS113

74LS114

74LS123N

74LS125

74LS126A

74LS139

74LS14

74LS151

74LS153

74LS157

74LS162

74LS165

74LS173

74LS174

74LS191

74LS194

74LS20

74LS240

74LS242

74LS257

74LS257BN

74LS258

74LS26

74LS27

74LS28

74LS280

74LS299

74LS365

74LS367

74LS374

74LS38

74LS38N

74LS390

74LS393

74LS395

74LS74

74LS75

74LS76

74LS78

74LVC2244APWE

74LVC244AD

74LVT00

74LVT16245DGG

74LVT32D

74LVT574

74S00

74S02

74S08

74S20

74S260N

75154

75189

75LV4737A

7806CT

7812CV

78L09

78L12

79C988BJC

79L12

79L15

80386SX33

80C31

80C32

80C51BH

82C55

82S19N

83C51KB

8752BH

898-3-10K

898-3-P15K

898-3R68

899-3-R33

9013

9014

9015

90A944

93C46SC2.7

93C56

93C66

97C1051

A2918SW

A80386DX25

AD1232AKM

AD1674AD

AD7656BSTZ

ADS7808U

AD1674JN

AD1819AJST

AD18455JP

AD1845JP

AD1845JST

AD1855JRS

AD3810A4.2

AD421BK

AD421BN

AD5305BRM

AD534KD

AD537JD

AD570JD

AD574AKD

AD582KD

AD583JQ

AD587JRZ

AD590JH

AD590KH

AD598AD

AD620AR

AD623AN

AD623AR

AD623BR

AD650SD/883B

AD654JN

AD654JR

AD669AN

AD669ANZ

AD676AD

AD677AD

AD677BD

AD677JD

AD693AQ

AD694JN

AD708AQ

AD73360

AD7390AR

AD7501JN

AD7502JN

AD7506JN

AD7506KN

AD7507JN

AD7524

AD7524BD

AD7524BQ

AD7528

AD7530JD

AD7530JN

AD7533KN

AD7541AKN

AD7545AJN

AD7545AKN

AD7714ARZ-5

AD7750AN

AD7750AR

AD7751ARS

AD7755AAN

AD7755AN

AD7837ANZ

AD7837BNZ

AD7841BS

AD7863AR-10

AD7864ASZ-1

AD8013ARZ-14

AD8109AST

AD811ANZ

AD815ARB

AD823AN

AD828AR

AD8313ARM

AD8321AR

AD8402ARI

AD8544A

AD9059BRS

AD928CARS

AD9617JR-5

AD9618JR

AD9690AR

AD9708ARZ

AD9721BR

AD9764AR

AD9775BSV

AD9847AKST

AD9850BRSZ

ADC0804LCN

ADC0809CCN

ADC0832CCN

ADC0848

ADC12138CIWM

ADC12139CIMSA

ADE7755ARS

ADE7761ARS

ADG211AKNZ

ADG212AKNZ

ADG509AKN

ADM202EAN

ADM202EARN

ADM483EAR

ADM691AN

ADS1212U

ADS1216Y/250

ADS774JP

ADS774JU

ADS7805P

ADS7825P

ADS7841E

ADS7844E

ADS7864Y/250

ADS7864YB/250

ADSP-2181KS-133

ADSP-2184LBST-160X

ADSP-2186LKST-133

ADUC812BS

ADUM1201ARZ

ADV7171KSU

ADV7171KSV

AFBR-5905Z

AM186ES-20KI

AM26LS31CN

AM27C010-120JC

AM27C010-90JC

AM27C4096-150DC

AM27C512-150PC

AM27C512-90JC

AM28F256-120PC

AM2903ADC

AM29116DC

AM29F002BB-90PC

AM29F010-90JC PLCC

AM29F040B-90JC PLCC

AM29LV200B

AM79C03PC

AM79C988BJC

AM79IIDC

AM79R79-2JC

AMD-6K-2/400ACR

AMD-K6-2/400ACR

AMS1117-3.3V

AMS1117M3-3.3

AN6652

AN7312

AP1117T33

APM4953KC-TR

AT24C01A-10PI2.7

AT24C02B-10PU2.7

AT24C02N

AT24C04-10PU2.7

AT24C08-10PI2.7

AT24C16A-10PI2.7

AT24C16AN-10SI2.7

AT24C64-10PI-2.7

AT27C512R-70PI

AT28C17-15PC

AT28C256-15PU

AT28C64B-15PC

AT87F51-24PC

AT89C2051-24SU

AT89C4051-24PU

AT89C51-24PI

AT89C52-24JI

AT89C52-24PC

AT89C52-24PI

AT89C55WD-24PI

AT89S51-24PC

AT89S51-24PI

AT93C46-10PU2.7

AT93C56

AT93C56-10PI2.7

AT93C56PC2.7

AT93C66-10PI2.7

ATC1117-5V

ATF16V8B-15PC

ATMEGA128-16AU

ATMEGA128L-8AU

ATMEGA16-16AU

ATMEGA8-16AU

ATMEGA8-16PI

BA5096

BCP53-16

BFG135

BFQ241

BIJ7211AM

BLW86

BLW97

BM29F040-90AC

BQ2004PN

BSS84

BT134-800E

BT134-800F

BTA08-600CRG

BU1706AX

BUF04G

BUK454-200A

BZV55-C10

CA3079H

CA3130E

CA3130EZ

CA3130T

CA3140EZ

CA3240E

CA3306E

CA3318CE

CD14538BE

CD22100E

CD22M3494E

CD4001BCN

CD4001BE

CD40103BE

CD40106BCN

CD40107BE

CD4010BCN

CD4010BE

CD40110BE

CD4011BCN

CD4011BE

CD4013BCMX

CD4013BE

CD4015BCN

CD4015BE

CD4016BE

CD40174BCN

CD40175BCN

CD40175BE

CD4017BE

CD4018BE

CD40192BE

CD40193BE

CD4019BCN

CD4020BE

CD4021BE

CD4022BCN

CD4023BCN

CD4023BE

CD4024BCN

CD4024BE

CD4025BE

CD4027BE

CD4028BE

CD4029BE

CD4030BCN

CD4030BE

CD4033BCN

CD4033BE

CD4040BE

CD4043BE

CD4044BE

CD4046BCN

CD4046BE

CD4047BE

CD4048BE

CD4049BE

CD4049UBE

CD4050BCN

CD4050BE

CD4051BCN

CD4051BE

CD4052BCM

CD4052BE

CD4053BE

CD4054BE

CD4059AE

CD4059E

CD4060BE

CD4060BM96

CD4066BCN

CD4066BE

CD4067BE

CD4068BE

CD4069UBE

CD4070BE

CD4071BCN

CD4071BE

CD4072BE

CD4076BE

CD4082BE

CD4094BCN

CD4094BE

CD4502BE

CD4503BCN

CD4503BE

CD4504BE

CD4508BE

CD4510BE

CD4512BE

CD4514BCN

CD4514BE

CD4515BCN

CD4515BE

CD4516BE

CD4517BE

CD4518BE

CD4518F3A

CD4520BE

CD4521BE

CD4522BE

CD4532BE

CD4536BE

CD4538BCN

CD4541BE

CD4543BE

CD4556BE

CD54HC161F

CD54HC163F

CD54HC257F

CD74HC161E

CD74HC165E

CD74HC166E

CD74HC174E

CD74HC221E

CD74HC240E

CD74HC244E

CD74HC367E

CD74HC368E

CD74HC390E

CD74HC4020E

CD74HC4094E

CD74HC4543E

CD74HC540E

CD74HC573E

CD74HC574E

CD74HCT02E

CD74HCT10E

CD74HCT11E

CD74HCT123E

CD74HCT125E

CD74HCT138E

CD74HCT14E

CD74HCT164E

CD74HCT175E

CD74HCT20E

CD74HCT259E

CD74HCT365E

CD74HCT374E

CD74HCT75E

CD74HCT85E

CD74HCT86E

CL8830PA1

CL8830PDO

CLC011BCQ

CLC011BCQ/NOPB

CLC014AJE

CLC014AJE/NOPB

CLC016ACQ

CLC016ACQ/NOPB

CLC016AJQ

CLC018AJVJQ

CLC021AVGZ-5.0/NOPB

CLC446AJE

CM8880PI

COP8ACC720M8-XE

COP8SGR728N8

CP2102-GMR

CY62256LL-70PC

CY7C1061AV33-10ZXC

CY7C132-55PC

CY7C136-25JCT

CY7C142-55PC

CY7C199C-15PC

CY7C199CN-15PXC

CY7C53150-20AI

D2147H

D7220AD

D75112GF

D7751C

D77C20A

D8212

D8251AF

D8253C-2

D8254

D8259C

D8259C-5

D82C43C

D8748D

D8748H

D8749HD

D8751H

DAC0800LCN

DAC0801

DAC0808LCN

DAC08EP

DAC7512N250

DAC7513N/250

DAC7571IDBVT

DAC7724U

DAC80P-CBI-V

DCP010505BP

DCP010515DBP-U

DF357

DG201ACJ

DG211CJ+

DG308ABK

DG412DJ

DG508ACJZ

DH7107GP

DIP-10拨动开关红

DIP-10拨动开关银

DIP-3拨动开关绿

DIP-5拨动开关绿

DIP-6拨动开关绿

DIP-8拨动开关银

DIP-8拨动开关绿W

DIP-9拨动开关绿

DIR9001PW

DM7404N

DM7406CN

DM74121N

DM74145N

DM7416N

DM7441N

DM74LS02N

DM74LS08N

DM74LS09N

DM74LS112N

DM74LS123N

DM74LS125N

DM74LS132N

DM74LS136N

DM74LS139N

DM74LS151N

DM74LS153N

DM74LS154N

DM74LS155N

DM74LS156N

DM74LS157N

DM74LS164N

DM74LS165N

DM74LS166N

DM74LS169N

DM74LS193N

DM74LS245N

DM74LS273N

DM74LS32N

DM74LS367AN

DM74LS368N

DM74LS374N

DM74LS37N

DM74LS38N

DM74LS390N

DM74LS47N

DM74LS573N

DM74LS574N

DM74LS670N

DM74LS85N

DM74LS90N

DM74S05N

DM74S299N

DM9331AE

DMC60C31E

DP83223V

DP83902AV

DP8391AN

DP8428D-70

DS1216E

DS1230Y-100

DS1286+

DS12887+

DS12C887+

DS1302

DS1302ZN+

DS1307

DS1307ZN+

DS1312S-2

DS1488N

DS1489N

DS14C238WM

DS1501WEN

DS1620

DS2009

DS26LS31

DS26LS32

DS34C87TM

DS75451N

DS75452N

DS96F175CJ

DT28F640J5A-150

E28F016S3120

E28F016S3120 3.3V

E28F128J3A150

EE80C196KB16

EE80C196KC20

EE87C196MC

EE87C196MH

EN80C196KB16

EN80C196KC20

EN87C196KC20

EP1C3T144C8N

EPM9320LI84-20

ETC5067N/C

FDS9435A

FM2404

FM24C04

G2R-1-24DC

GAL16V8C-7LJ

GAL16V8D-15LJ

GAL16V8D-15LP

GAL16V8D-15LPI

GAL16V8D-25LJ

GAL16V8D-25LP

GAL16V8D-25LPI

GAL16V8D-7LP

GAL20V8B-15LD/883

GAL20V8B-15LP

GAL20V8B-15LPI

GAL20V8B-25LP

GAL20V8B-25LPI

GAL22V10D-15

GAL22V10D-15LPI

GAL22V10D-25

GAL22V10D-25LPI

GD4053

GD74LS08

GD74LS125

GD74LS365A

GD75232D

GD7812

GD7905

GM16C550-40P

GMS97C2051-24

GS1488P

GS4511

GS76C8128

H11A817B

H11A817C

H11AA1

H11L1-M

HA17339P

HA17393P

HCF4001BEY

HCF4026BEY

HCF4040BE

HCF4052

HCF4053BEY

HCF4054BEY

HCF4098BE

HCF4510BEY

HCNR200

HCPL-0501

HCPL-0501-500E

HCPL2631

HCPL2631-000E

HCPL-2631-300E

HD10174

HD14001BP

HD14066BP

HD14071BP

HD14073BP

HD14081P

HD6805SIP

HD6809P

HD7279A-SP

HD7279A-WP

HD74HC02P

HD74HC04P

HD74HC05P

HD74HC08P

HD74HC09P

HD74HC10P

HD74HC123P

HD74HC138P

HD74HC14P

HD74HC153P

HD74HC157P

HD74HC21P

HD74HC245P

HD74HC30P

HD74HC32P

HD74HC374P

HD74HC74P

HD74LS02P

HD74LS04P

HD74LS05P

HD74LS07P

HD74LS08P

HD74LS09P

HD74LS107AP

HD74LS11P

HD74LS123P

HD74LS125P

HD74LS126P

HD74LS138P

HD74LS139P

HD74LS145P

HD74LS148P

HD74LS14P

HD74LS157P

HD74LS15P

HD74LS191P

HD74LS192P

HD74LS21P

HD74LS221P

HD74LS240P

HD74LS244P

HD74LS247P

HD74LS273P

HD74LS27P

HD74LS280P

HD74LS367P

HD74LS373P

HD74LS374P

HD74LS38P

HD74LS55P

HD74LS670P

HD74LS74P

HD74LS86P

HD74LS90P

HDLG-2416

HEF40106BP

HEF4013BT

HEF40174BP

HEF4017BP

HEF4018BP

HEF4021BP

HEF4024BP

HEF4046BP

HEF4049BP

HEF4052BP

HEF4060BP

HEF4066BP

HEF4071BP

HEF4072BP

HEF4073BP

HEF4081BP

HEF4093BP

HEF4521BP

HEF4526BT

HEF4528BP

HEF4538BP

HEF4541BP

HEF4556BP

HEF74HC14D

HEF74HC595D

HFBR-1312TZ

HFBR-1412TZ

HFBR-1414TZ

HFBR-1414Z

HFBR-1521Z

HFBR-1528Z

HFBR-1531Z

HFBR-1532Z

HFBR-2115TZ

HFBR-2412TZ

HFBR-2412Z

HFBR-2416TZ

HFBR-2521Z

HFBR-2528Z

HFBR-2531Z

HFBR-2532Z

HFBR-4501Z

HFBR-4503Z

HFBR-4506Z

HFBR-4511Z

HFBR-4513Z

HFBR-4516Z

HFBR-4597Z

HFBR-5912EZ

HFBR-EUS100Z

HFBR-RUS100Z

HIN232CP

HIP4081AIP

HK82C79

HLMP-2500

HM62256ALP-10

HM62256BLP-10

HM62256LP-10

HM6264ALP-10

HM6264ALP-12

HM6264ALP-15

HM6264BLP-10

HM6264LP-70XA

HM628128BLP-7

HPKT162/16

HS0038B2

HSP50306SC-27

HT7044A-1

HY514400AJ-70

HY57V281620ETP-6

HY62256-70

HY6264ALP-10

HY628100BLLG-55

HY628100BLLG-70

HY62CT081ED-70C

HY62WT08081E-DG70C

HY62WT08081E-DG70I

IC-40P

ICL7107CPLZ

ICL7116CPL

ICL7126CPLZ

ICL7135CPIZ

ICL7136CPLZ

ICL7556IPD

ICL7650SCPD

ICL8038CCPD

ICL8211CPA

ICM7211AMIPL

ICM7216CPLZ

ICM7216DIPI

ICM7218AIJI

ICM7555IPAZ

IDT7132SA55P

IDT7133LA-35J

IDT7142SA35P

IDT7164S45DB

IDT71V30L35TF1

ILD206T

IMP690ACPA

IMP706CPA

IMP708CPA

IMP809TEUR-T

IMP813LEPA

INA126UA

INA2137UA

IR2151

IR2153

IR51H320

IR51H420

IRF1010E

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求助！！DS18B20，毕业设计用~~~

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