51单片机最小系统确定SCH

目录1、最小系统...........................................................................22、7279键盘与显示.....................................................................33．S52外接I/O口......................................................................44、液晶显示...........................................................................55、外挂RAM6264........................................................................66、交通灯、8位按键开关、PS/2..........................................................77、I/O口扩展..........................................................................88、步进电机、直流电机.................................................................99、ISD1720语音存储与回放.............................................................1010、IED点阵.........................................................................1111、DS18B20温度传感、红外接收、MAX232通信...........................................1212、ADC与DAC........................................................................131、最小系统123456ABCD654321DCBATitleNumberRevisionSizeBDate:13-Jul-2009SheetofFile:C:\DocumentsandSettings\Administrator\桌面\89s52最小系统实验教学版.ddbDrawnBy:EA/VP31X119X218RESET9RD17WR16INT012INT113T014T115P10/T1P11/T2P123P134P145P156P167P178P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P2728PSEN29ALE/P30TXD11RXD10U4AT89S52C4730pFC4830pFY5110592P00P01P02P03P04P05P06P07P20P21P22P23P24P25P26P27123456789R3010KVCC123456789101112JP5JTAGP17P15P16TMSabcdefgdpTMSC4610uFR2910kVCCSRETRSTP10P11P12P13P14P15P16P17T19013T29013T39013T49013R171KR181KR201KR211KP13P12P11P10RXDTXDINT0P16123456789R3110KVCCALEC18104C20104C23104C38104VCCY632768C5020pFC4920pFVCCRDVCC21X12X23GND4VCC18RST5SCLK7I/O6U8DS1302RDINT1INT0T0T1WR12345678J9P012345678J10P112345678J11P212345678J12P3P00P01P02P03P04P05P06P07P10P11P12P13P14P15P16P17P20P21P22P23P24P25P26P27RXDTXDINT0INT1T0T1WRRDD15LEDD18LEDD19LEDD20LEDVCC12345678J72CON4C40104C42104C17104C161041234LED2LED412345PAJ21kC44104C45104+CDS2100U76421910538abcdefgdpcomcomDS1SMG76421910538abcdefgdpcomcomDS4SMG76421910538abcdefgdpcomcomDS3SMG76421910538abcdefgdpcomcomDS2SMGnum1num2num3num4num1num2num3num4aaaabbbbccccdpdpdpdpdgdgdgdgeeeeffffnum1num2num3num4(RESET)PC629PD0(RXD)30PD1(TXD)31PD2(INT0)32PD3(INT1)1PD4(XCK/T0)2PD5(T1)9PD6(AIN0)10PD7(AIN1)11PB0(ICP)12PB1(OC1A)13PB2(SS/OC1B)14PB3(MOSI/OC2)15PB4(MISO)16PB5(SCK)17PB6(XIAL1/TOSC1)7PB7(XIAL2/TOSC2)8AVCC18AREF20ADC722(ADC0)PC023(ADC1)PC124(ADC2)PC225(ADC3)PC326(ADC4/SDA)PC427(ADC5/SCL)PC528VCC4GND21VCC6GND3GND5ADC619U2ATMEGA8Y212MHzC1327pFC1427pFR2810K+5+51234JP3HEADER4R1068R81.5KR96812J4CON2+5+5D83V6D93V6D1DIODEC15104R111KR121KR131K12J2CON2C19104C21104C5347uFD10LEDD11LEDD12LEDS10SWSPST+1-2-3J13POWER2VCCA01A12A23GND4VCC8SDA5WP7SCL6U7AT24C02P36P35VCCR325.1KR335.1K12J5CON2+5VCCVCCLE11OE1D02D13D24D35D46D57D68D79Q019Q118Q217Q316Q415Q514Q613Q712GND10VCC20U374SL573VCCP00P01P02P03P04P05P06P0712345678J6CON8C51470uF1234JP62COM2EAP14CLKRETMOSIMISOUGNDGND+5VCLKRETMOSIMISOR221KD21LEDOEVCC12OECON2S3SW-PBS2SW-PBS1SW-PBS4SW-PBS5SW-PBS9SW-PBS13SW-PBS6SW-PBS10SW-PBS14SW-PBS7SW-PBS11SW-PBS15SW-PBS8SW-PBS12SW-PBS16SW-PBP23P22P21P20P27P26P25P24R1410KVCC2、7279键盘与显示123456ABCD654321DCBATitleNumberRevisionSizeBDate:14-Jul-2009SheetofFile:C:\DocumentsandSettings\Administrator\桌面\实验箱最小系统(资料)\89s52最小系统实验教学版.ddbDrawnBy:VCC1VCC2Vss4CS6CLK7DATA8KEY9Sg10Sf11Se12Sd13Sc14Sb15Sa16DP17DIG018DIG119DIG220DIG321DIG422DIG523DIG624DIG725RC27RESET28U3_1HD7279AabcdefgdpR3_2200R3_3200R3_4200R3_5200R3_6200R3_7200R3_8200R3_9200R3_1210KR3_1110KR3_11.5KC3_130PFDIG0DIG1DIG2DIG3DIG4DIG5DIG6DIG7VCC3C3_2104C3_3100uFVCC3R3_10200D3_1LED1234J3_1CON4S3_2SW-PB7654151413123210111098S3_1SW-PB2*8POWER+5VGNDPOWER+5VGND76421910538abcdefgdpcomcomDS1SMG76421910538abcdefgdpcomcomDS4SMG76421910538abcdefgdpcomcomDS3SMG76421910538abcdefgdpcomcomDS2SMGaaaabbbbccccdpdpdpdpdgdgdgdgeeeeffff76421910538abcdefgdpcomcomDS5SMG76421910538abcdefgdpcomcomDS8SMG76421910538abcdefgdpcomcomDS7SMG76421910538abcdefgdpcomcomDS6SMGaaaabbbbccccdpdpdpdpdgdgdgdgeeeeffffCOM1COM2COM3COM4COM5COM6COM7COM8COM1COM2COM3COM4COM5COM6COM7COM8CSCLKDATAINT3．S52外接I/O口123456ABCD654321DCBATitleNumberRevisionSizeBDate:13-Jul-2009SheetofFile:C:\DocumentsandSettings\Administrator\桌面\89s52最小系统实验教学版.ddbDrawnBy:12345678910111213141516171819202122232425262728293031323334353637383940U1_1system-s5212345678J1_2CON812345678J1_3CON8P10P11P12P13P14P15P16P17P30P31P32P33P34P35P36P37TMSGNDPOWER+5V12345678J1_4CON812345678J1_5CON8POWER+5VGNDP00P01P02P03P04P05P06P07ALEP20P21P22P23P24P25P26P2712345678J1_1CON8P10P11P12P13P14P15P16P1712345678J1_6CON8P00P01P02P03P04P05P06P0712345678J1_8CON8P30P31P32P33P34P35P36P37P20P21P22P23P24P25P26P2712345678J1_7CON8P10P11P12P13P14P15P16P1712345678J1_9CON8P00P01P02P03P04P05P06P0712345678J1_10CON81234J1_11CON4GNDPOWER+5VTMSALEGNDPOWER+5VGNDPOWER+5VS52-SystemI/O口4、液晶显示123456ABCD654321DCBATitleNumberRevisionSizeBDate:13-Jul-2009SheetofFile:C:\DocumentsandSettings\Administrator\桌面\89s52最小系统实验教学版.ddbDrawnBy:R2_110kR2_420R2_31KVCC2GND1VDD2VLCD3RS4R/W5E6DB07DB18DB29DB310DB411DB512DB613D