STC89C52-最小系统原理图

1122334455667788DDCCBBAATitleNumberRevisionSizeA3Date:2009-10-6SheetofFile:H:\51BY\..\51.SCHDOCDrawnBy:Y111.0592MCX127pFCX227pFDGNDCAP1+1RR-IN28CAP-6CAP2-5CAP1-3CAP+2CAP2+4RT-OUT27R-OUT29T-IN210T-IN111R-OUT112RR-IN113RT-OUT114GND15VCC16MAX232MAX232162738495DB9DB9DGND0.1uFC104_50.1uFC104_60.1uFC104_70.1uFC104_40.1uFC104_3X1X2a11b7c4d2e1f10g5dp3C312C29C18C06SEG_18LED12S1SW-PB12S5SW-PB12S6SW-PB12S2SW-PB12S9SW-PB12S13SW-PB12S14SW-PB12S10SW-PB12S3SW-PB12S7SW-PB12S11SW-PB12S15SW-PB12S4SW-PB12S8SW-PB12S12SW-PB12S16SW-PBD1D2LEDD3LEDD4LEDD5LEDVCCR1K11KR1K21KD6LEDVCC4X4矩阵键盘KEYRESETDGND100R1005.1KR5.1_7VCCRST104C104_210uFC110uFC2D01KR1K4AGNDAGNDAGNDAGNDAGNDSW123POWDC_9VAGNDDGND1uHL1VCC1D-2D+3GND4Shield5USBUSBVCC12Power_SelectDGNDAGNDP10OE1D02D13D24D35D46D57D68D79GND10LE11Q712Q613Q514Q415Q316Q217Q118Q019VCC20573_374HC573104C104_10DGNDDGNDVCCLED0LED1LED2LED3LED4LED5LED6LED7VCC21X12X23GND4RST5I/O6SCLK7VCC18DS1302DS1302DGNDY232.768kVCCP23P24P25D7LEDD8LEDP27LED0LED1LED2LED3LED4LED5LED6LED7OE1D02D13D24D35D46D57D68D79GND10LE11Q712Q613Q514Q415Q316Q217Q118Q019VCC20573_174HC573104C104_8DGNDDGNDVCCabcdefgdpabcdefgdpP00P01P02P03P04P05P06P07P00P01P02P03P04P05P06P07104C104_15.1KR5.1_25.1KR5.1_3A01A12A23GND4SDA5SCL6WP7VCC824CXX24CXXVCCDGNDDGNDa11b7c4d2e1f10g5dp3C312C29C18C06SEG_28LEDabcdefgdpOE1D02D13D24D35D46D57D68D79GND10LE11Q712Q613Q514Q415Q316Q217Q118Q019VCC20573_274HC573104C104_9DGNDDGNDVCCP00P01P02P03P04P05P06P07C0C1C2C3C4C5C6C7C0C1C2C3C4C5C6C7AGNDVCCRJ1RJ2AGNDP20P21P22VCCAGNDVCCP20P21P22123P_SP_SVCCAGNDGNDVDDVORSRWEDB0DB1DB2DB3DB4DB5DB6DB7BL1BL2VSSVDDVORS/CSE/SCLKDB0DB1DB2DB3DB4DB5DB6DB7PSBNCRSTVEELED+LED-VCCAGNDP36P10P11P12P13P14P15P16P17P10P11P12P13P14P15P16P17INNOUTTTXDRXDINNOUTTRW/SIDP20P21P22P23P24P25P26P27SSCLSSDAP11P12P13P14P15P16P17CS1RD2WR3CLKIN4INTR5VIN+6VIN-7AGND8Vref/29DGND10D711D612D513D414D315D216D117D018CLKR19VCC20ADC0804ADC0804AGNDDGNDRJ35.1KVCCAGND10KR5.1_62KR1K52KR1K6RJ200200AGNDR5.1_556pFC56P10uFC4AGND5.1KR5.1_4DATA0DATA1DATA2DATA3DATA4DATA5DATA6DATA7VCCP32P33P34P35DATA0DATA1DATA2DATA3DATA4DATA6DATA7DATA512345678161514131211109SW8SW-DIP8GND1DQ2VD318B20DS18B20AGNDVCCR5.1_15.1KP26DGNDDGNDDGNDP36SSDASSCLT2/P1.01T2EX/P1.12P1.23P1.34P1.45P1.56P1.67P1.78RST9RXD/P3.010TXD/P3.111INT0/P3.212INT1/P3.313T0/P3.414T1/P3.515WR/P3.616RD/P3.717XTAL218XTAL119Vss20P2.0/AD821P2.1/AD922P2.2/AD1023P2.3/AD1124P2.4/AD1225P2.5/AD1326P2.6/AD1427P2.7/AD1528PSEN29ALE/PROG30EA31P0.7/AD732P0.6/AD633P0.5/AD534P0.4/AD435P0.3/AD336P0.2/AD237P0.1/AD138P0.0/AD039Vcc40STC89C52STC89C52P10P11P12P13P14P15P16P17P34P35P36P37P20P21P22P23P24P25P26P27VCCVCCDGND104C104_11DGNDRXDTXDP32P33RSTRSTX1X2ALEPSEN10uFC3GND1VOUT2VIN3LM1117VCCDGNDDGND12345678910P3Header10VCC12345678910P1Header1012345678910P0Header1012345678910P2Header10P20P21P22P23P24P25P26P27DGNDVCCVCCDGNDP00P01P02P03P04P05P06P07123456789101112131415161602Header16123456789101112131415161718192012864Header201234JP1Header4P37P10P11P12P13P14P15P16P17P34P35P36P37RXDTXDP32P331KR1K3200R20AGNDVCCMK1Mic1NPNNPNW2TXDTXD1DTR_N2RTS_N3VDD_2324RXD5RI_N6GND7VDD8DSR_N9DCD_N10CTS_N11SHTD_N12EE_CLK13EE_DAT14DP15DM16VDD_3V317GND_3V318RES19VDD20GND21TRI_MOD22LD_MOD23VDD_PLL24GND_PLL25PLL_TST26OSC127OSC228PL2303PL2303Y312MCX327pFCX427pFDGND104C104_12VDDR10K1R10K2104C104_13R1.5KD1D2D1R18_1D2R18_2R10K3R10K4VDDP31P30104C104_14DGNDVDDD11VDDR1K111KDGNDP30P31TXDRXD8位数码管复位和晶振实时日历时钟单总线温度传感器外部EEPROM电源部分LCD液晶ADC0804蜂鸣器P37P00P01P02P03P04P05P06P07VCCDGNDVCCDGND12349V-5VDGNDVDDVDDVDDAGND12S17SW-PB12S18SW-PB12S19SW-PB12S20SW-PBDGNDP33P34P35P321234567895.1KHeader91234USB-232Header4CX527pFCX627pFP0501K01P0501K02P0501K03P0501K04P0501K05P0501K06P0501K07P0501K08P0501K09P09V05V01P09V05V02P09V05V03P09V05V04P018B2001P018B2002P018B2003P024CXX01P024CXX02P024CXX03P024CXX04P024CXX05P024CXX06P024CXX07P024CXX08P05730101P05730102P05730103P05730104P05730105P05730106P05730107P05730108P05730109P057301010P057301011P057301012P057301013P057301014P057301015P057301016P057301017P057301018P057301019P057301020P05730201P05730202P05730203P05730204P05730205P05730206P05730207P05730208P05730209P057302010P057302011P057302012P057302013P057302014P057302015P057302016P057302017P057302018P057302019P057302020P05730301P05730302P05730303P05730304P05730305P05730306P05730307P05730308P05730309P057303010P057303011P057303012P057303013P057303014P057303015P057303016P057303017P057303018P057303019P057303020P0160201P0160202P0160203P0160204P0160205P0160206P0160207P0160208P0160209P01602010P01602011P01602012P01602013P01602014P01602015P01602016P01286401P01286402P01286403P01286404P01286405P01286406P01286407P01286408P01286409P012864010P012864011P012864012P012864013P012864014P012864015P012864016P012864017P012864018P012864019P012864020P0ADC080401P0ADC080402P0ADC080403P0ADC080404P0ADC080405P0ADC080406P0ADC080407P0ADC080408P0ADC080409P0ADC0804010P0ADC0804011P0ADC0804012P0ADC0804013P0ADC0804014P0ADC0804015P0ADC0804016P0ADC0804017P0ADC0804018P0ADC0804019P0ADC0804020P0C101P0C102P0C201P0C202P0C301P0C302P0C401P0C402P0C56P01P0C56P02P0C1040101P0C1040102P0C1040201P0C1040202P0C1040301P0C1040302P0