CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...

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Ordering InformationSpeed(MHz)PowerSupply Ordering Code Package Operation Range24 4.0V to 5.5V AT89S52-24ACAT89S52-24JCAT89S52-24PCAT89S52-24AIAT89S52-24JIAT89S52-24PI33 4.5V to 5.5V AT89S52-33ACAT89S52-33JCAT89S52-33PC44A44J40P644A44J40P644A44J40P6Commercial(0° C to 70° C)Industrial(-40° C to 85° C)Commercial(0° C to 70° C)= Preliminary AvailabilityPackage Type44A44J40P644-lead, Thin Plastic Gull Wing Quad Flatpack (TQFP)44-lead, Plastic J-leaded Chip Carrier (PLCC)40-pin, 0.600" Wide, Plastic Dual Inline Package (PDIP)28AT89S52
Packaging Information44A, 44-lead, Thin (1.0 mm) Plastic Gull Wing QuadFlat Package (TQFP)Dimensions in Millimeters and (Inches)*44J, 44-lead, Plastic J-leaded Chip Carrier (PLCC)Dimensions in Inches and (Millimeters)PIN 1 ID12.21(0.478)11.75(0.458) SQ.045(1.14) X 45° PIN NO. 1IDENTIFY.045(1.14) X 30° - 45°.012(.305).008(.203)0.80(0.031) BSC0.45(0.018)0.30(0.012).032(.813).026(.660).656(16.7)SQ.650(16.5).695(17.7).685(17.4) SQ.630(16.0).590(15.0).021(.533).013(.330)0.20(.008)0.09(.003)0710.10(0.394)SQ9.90(0.386)1.20(0.047) MAX.050(1.27) TYP.500(12.7) REF SQ.022(.559) X 45° MAX (3X).043(1.09).020(.508).120(3.05).090(2.29).180(4.57).165(4.19)0.75(0.030)0.45(0.018)0.15(0.006)0.05(0.002)*Controlling dimension: millimeters40P6, 40-pin, 0.600" Wide, Plastic Dual InlinePackage (PDIP)Dimensions in Inches and (Millimeters)JEDEC STANDARD MS-011 AC2.07(52.6)2.04(51.8) PIN1.566(14.4).530(13.5).220(5.59)MAX1.900(48.26) REF.090(2.29)MAX.005(.127)MINSEATINGPLANE.161(4.09).125(<strong>3.1</strong>8).110(2.79).090(2.29).012(.305).008(.203).065(1.65).041(1.04).630(16.0).590(15.0).690(17.5).610(15.5)015 REF.065(1.65).015(.381).022(.559).014(.356)29AT89S52
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CHAPTER 3METHODOLOGY3.1 OverviewThe
Page 3 and 4:
3.2.2 Analog To Digital Conversion
Page 5 and 6:
Figure 3.5: Source Code for Convers
Page 7 and 8:
3.2.4 Water Monitoring System Circu
Page 9 and 10:
3.3 Programming.Programming is the
Page 11 and 12:
ISP flash programmer in Figure 3.11
Page 13 and 14:
The Visual Basic program will start
Page 15 and 16:
Distance(cm)ReadingVoltage Trial1 (
Page 17 and 18: 4.2 Signal ConversionA sensor has s
Page 19 and 20: 4.3 User InterfaceBased on Table 4.
Page 21 and 22: Hardware DesignBasically, the const
Page 23 and 24: CHAPTER 5CONCLUSION5.1 SummaryWater
Page 25 and 26: This project can be expanded by usi
Page 27 and 28: APPENDICES41
Page 29 and 30: cjne a,volt,xsamejmp startxsame:mov
Page 31 and 32: xsame19:jnc more19mov dptr,#XVALIDc
Page 33 and 34: etrx:jnb ri,$clr rimov a,sbufretdel
Page 35 and 36: ElseShape8.FillColor = vbWhiteEnd I
Page 37 and 38: Private Sub Timer3_Timer()Label3.Ca
Page 39 and 40: APPENDIX EData Sheet AT89S5253
Page 41 and 42: Features• Compatible with MCS-51
Page 43 and 44: AT89S52Block DiagramP0.0 - P0.7P2.0
Page 45 and 46: AT89S52weakly pulled high. Setting
Page 47 and 48: AT89S52Table 3a. AUXR: Auxiliary Re
Page 49 and 50: AT89S52Watchdog Timer(One-time Enab
Page 51 and 52: AT89S52Figure 6. Timer 2 Auto Reloa
Page 53 and 54: AT89S52Baud Rate GeneratorTimer 2 i
Page 55 and 56: AT89S52Oscillator CharacteristicsXT
Page 57 and 58: AT89S52frequency should be less tha
Page 59 and 60: Figure 15. Flash Programming and Ve
Page 61 and 62: AT89S52Table 9. Serial Programming
Page 63 and 64: AT89S52Absolute Maximum Ratings*Ope
Page 65 and 66: AT89S52External Program Memory Read
Page 67: AT89S52Serial Port Timing: Shift Re
Page 71 and 72: August 1997SemiconductorADC0802, AD
Page 73 and 74: ADC0802, ADC0803, ADC0804Absolute M
Page 75 and 76: ADC0802, ADC0803, ADC0804Electrical
Page 77 and 78: ADC0802, ADC0803, ADC0804Typical Pe
Page 79 and 80: ADC0802, ADC0803, ADC0804The device
Page 81 and 82: ADC0802, ADC0803, ADC0804V IN ±5VR
Page 83 and 84: ADC0802, ADC0803, ADC0804Figures 19
Page 85 and 86: ADC0802, ADC0803, ADC0804IRQ (4)†
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CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...

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