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Y111.0592MC130pfC230pf1234J1USB-PORTD-D+VCCGNDDB25LEDR1470USB电源接口和单排插针接口C310USJ17SW-PBR210KRST上电及按键复位电路VCCR310KEAVCC12J3CON2EA/VPP31XTAL119XTAL218RESET9P3.7(RD)17P3.6(WR)16P3.2(INT0)12P3.3(INT1)13P3.4(T0)14P3.5(T1)15P1.01P1.12P1.23P1.34P1.45P1.5(MOSI)6P1.6(MISO)7P1.7(SCK)8P0.039P0.138P0.237P0.336P0.435P0.534P0.633P0.732P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728PSEN29ALE/PROG30P3.1(TXD)11P3.0(RXD)10GND20VCC40U1AT89S521234567891011121314151617181920J4CON201234567891011121314151617181920J5CON20P10P11P12P13P14P15P16P17RSTP30P31P32P33P34P35P36P37X2X1GNDVCCEAALEPSENX2X1D0D1D2D3D4D5D6D7A8A9A10A11A12A13A14A1512345J2CON5GND+12V-12V112345678910111213141516JP9HEADER8X2P10P11P12P13P14P15P16P17P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7单片机最小系统----电源电路、复位电路、时钟电路A5A7VCCGNDD0D1D2D3D4D5D6D7P36VCCC40.1uFP37PSENA0A1A2A3A4A5A6A7D0D1D2D3D4D5D7D6PSEN12U17A扩展外部FLASH存储器，地址为0000H----7FFFH扩展外部数据存储器和仿真存储器，地址为8000-----FFFFH123U6ASN74HC08NGNDALEVCCOE1D12D23D34D45D56D67D78D89GND10LE11Q812Q713Q614Q515Q416Q317Q218Q119VCC20U2SN74HC573N123J6CON3VCCA0A1A2A3A4A5A6A7不接跳线帽时EA=1，否则EA=0EA=1时，先访问内部后访问外部程序存储器EA=0时，只访问外部程序存储器程序存储器及数据存储器、仿真存储器扩展模块A141A122A73A64A55A46A37A28A19A010D011D112D213GND14D315D416D517D618D719CE20A1021OE22A1123A924A825A1326WE27VCC28U3AT28C256A141A122A73A64A55A46A37A28A19A010I/O011I/O112I/O213GND14I/O315I/O416I/O517I/O618I/O719CE20A1021OE22A1123A924A825A1326WE27VCC28U4CY62256A0A1A2A3A4A612345678J7CON8D0D1D2D3D4D5D6D7A8A9A10A11A12A13A14A15A8A9A10A11A12A13A142外扩数据存储器和程序存储器电路12345678910111213141516JP2HEADER8X212345678910111213141516JP1HEADER8X2SJ18SW-PBSJ19SW-PBSJ20SW-PBSJ21SW-PBVCCR72KR62KR52KR42KDG1DG2DG3DG4独立键盘电路R810KDG8Q18550VCCR947C50.01UB1BUZZER蜂鸣器4位共阴数码显示管123456789RP1100VCCS112S29S38S46a11b7c4d2e1f10g5dp3U74DPY2-KDB3LEDDB1LEDDB4LEDDB5LEDDB6LEDDB7LEDDB8LEDDB2LEDDB11LEDDB9LEDDB12LEDDB13LEDDB14LEDDB15LEDDB16LEDDB10LEDDB19LEDDB17LEDDB20LEDDB21LEDDB22LEDDB23LEDDB24LEDDB18LEDABCDEFGDPABCDEFGDPABCDEFGDPABCDEFGDPDG1DG2DG3DG4DG1DG2DG3DG4DG5DG6DG7DG5DG6DG7DG8D0D1D2D3D4D5D6D7A8A9A10A11A12A13A14A15324个跑马灯和4位数码显示管电路CS1RD2WR3CLKIN4INTR5Vin(+)6Vin(-)7AGND8Vref/29DGND10DB711DB612DB513DB414DB315DB216DB117DB018CLKR19VCC20U8ADC0804ADC_CSADC_RDADC_WRCLKRVCCCLKINADC_INTRC6150PFCLKINCLKRR1010KVCCW110K123456789101112131415161718192021222324JP3HEADER12X2D0D1D2D3D4D5D6D7ADC_D0ADC_D1ADC_D2ADC_D3ADC_D4ADC_D5ADC_D6ADC_D7P14P37P36P32ADC_CSADC_RDADC_WRADC_INTRADC_D0ADC_D1ADC_D2ADC_D3ADC_D4ADC_D5ADC_D6ADC_D74ADC0804电路CS1WR12AGND3D34D25D16D07Vref8Rfb9DGND10Iout111Iout212D713D614D515D416XFER17WR218ILE19VCC20U9DAC0832R1110KVCCGNDVCCVCCR131KR152KR122KR14510T1TP1PROBDAC_WRDAC_WRDAC_CSDAC_CS1J8CON132184U10ATL082567U10BTL082D0D1D2D3D4D5D6D7DAC_D0DAC_D1DAC_D2DAC_D3DAC_D4DAC_D5DAC_D6DAC_D7DAC_D0DAC_D1DAC_D2DAC_D3DAC_D4DAC_D5DAC_D6DAC_D71234567891011121314151617181920JP4HEADER10X2A10DAC_CSP36DAC_WRGND5123J101CON3+12VGND-12VNC1CAP+2GND3CAP-4Vout5LV6OSC7V+8U100ICL7660C10010UVCCC10010U++WW10KT1TP2PROBDAC0832电路VDD2Vadj3D/I4R/W5E6CS115CS216RST17VEE18LIGHT+19LIGHT-20VSS1D07D18D29D310D411D512D613D714J9LCD12864R1615KVCCR178K2LIGHTVCCGNDLCD_A0LCD_A1LCD_A2LCD_CLKCS_LCD2RST_LCDLCD_WRLCD_RDCS_LCDRST_LCDLCD_A1LCD_A2LCD_A0P36P37A3A4A5A9123U11ASN74HC00D564U11B8910U11C34U5BSN74HC04D56U5CLCD_WRLCD_RDCS_LCDLCD_CLKLCD_A2CS_LCD2R1810KVCCGNDP1312345678910111213141516JP6HEADER8X2D0D1D2D3D4D5D6D712345678910111213141516JP5HEADER8X2LIGHTLCM_D0LCM_D1LCM_D2LCM_D3LCM_D4LCM_D5LCM_D6LCM_D7LCM_D0LCM_D1LCM_D2LCM_D3LCM_D4LCM_D5LCM_D6LCM_D76VCC2Vadj3GND1LIGHT+15LIGHT-16R/W5DATA4CLK6D07D18D29D310D411D512D613D714J100LCD1602R10110KR1001K+5VDGNDLCD_A1LCD_A0LCD_CLK+5VDGNDLCM_D0LCM_D1LCM_D2LCM_D3LCM_D4LCM_D5LCM_D6LCM_D7液晶显示器接口电路SJ1SW-PBSJ2SW-PBSJ3SW-PBSJ4SW-PBSJ5SW-PBSJ6SW-PBSJ7SW-PBSJ8SW-PBSJ9SW-PBSJ10SW-PBSJ11SW-PBSJ12SW-PBSJ13SW-PBSJ14SW-PBSJ15SW-PBSJ16SW-PB12345678910111213141516JP7HEADER8X2P30P31P32P33P34P35P36P377矩阵键盘电路C1+1C1-3C2+4C2-5Vs+2Vs-6VCC16GND15T1IN11T1OUT14T2IN10T2OUT7R1OUT12R1IN13R2OUT9R2IN8U12MAX232VCCVCCGNDC71uC81uC91uC101uC111u162738495J10SC9RXDTXD串口通信电路P30P311234JP8HEADER2X2RXDTXD8串口通信电路A01A12A23GND4SDA5SCL6HOLD7VCC8U13AT24C08C120.1UR195.1KR205.1KP1.0P1.1I2C器件VCC123U14DS18B2012J11CON2VCCR215.1KDS18B20数字温度计P1.2VCCR30100R24100R25100R31100R222.2kR232.2kOC1C111D21Q192D32Q183D43Q174D54Q165D65Q156D76Q147D87Q138D98Q12U15DM74HC573PIN1PIN17PIN2PIN5PIN16PIN15R261KR271KR281KR291KVCC12345678SW1SW-DIP4P15P17RSTP16911421531641751861972082192210231124122513J14DB25编程器电路、I2C存储器电路、温度传感器电路12345678910111213141516171819202122232425262728293031323334353637383940JP10HEADER20X2A0A1A2A11A12A13A14A15D0D1D2D3D4D5D6D7ALEP33P32P36P37IS123U16ASN74HC00D8910U16CP36P37ISP34P35P30P31有读写操作时选通外部I/O空间RESET564U16BRESETRSTRSTP10P11P12P13P14P15P16P17GNDVCC10外部扩展接口电路