电路原理图(DS1302复位脚有所改动).doc
111213149999DS1DS2DS3DS4R1R9R17R251111J110101010aaaaR2R10R18R262a2a2a2aCON4*2bbbbR3R11R19R27C1C53333fbfbfbfbccccR4R12R20R28470u103gggg4444+5ddddR5R13R21R295555ececececeeeeR6R14R22R306d6d6d6dffffR7R15R23R317dp7dp7dp7dpggggR8R16R24R328888dpdpdpdpU9AU9BU9CU9D+574LS14数码管1数码管1数码管1数码管174LS1474LS1474LS14981011272GNDS3113141313131AQ0VCCAQ0AQ0AQ03GNDVCCGNDVCCGNDVCCGNDVCC2415141414142424243BQ1123456BQ1BQ1BQ177775555Q2U1U2U3U4U10EQ2Q2Q26666Q374LS16474LS16474LS16474LS16474LS14Q3Q3Q310101010Q4Q4Q4Q4811811811811CLKQ5CLKQ5CLKQ5CLKQ512121212Q6P20P24Q6Q6Q6913913913913MRQ7MRQ7MRQ7MRQ7
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18273645
33+5S151P32+51R43D11D17D18D19LS12+52414841484148414835K3+5J112S16K1K2K3K41SPEAKER21F2D201ADD-A21718191412U15AALES173S12R41P10Q3323MRR5262FUSE1Q3510P33Q254007C28C8PNP8550K5K6K7K81KQ14CLK2200uF103STARTQ031714USBS13P11GNDVCC电源座D9LEDR96K9K10K11K12100ENABLE2774LS393S14P12
K13K14K15K16D13ADC0809U16400712ref(+)P13S11R862126R47R48P07+5msb2-1IN-020020271K1KP06J102-2IN-11928P052-3IN-2P141181S19P042-4IN-3P15Q5282P032-5IN-4P16D401A热敏电阻1K3153P022-6IN-5P17R624144P01R612-7IN-6R56热敏电阻1K245+5175P00lsb2-8IN-71K6+5725C33C14U10AADD-ACON6S10EOCADD-AR92U18D142224470u10312STARTALEADD-B4.7KR9318P344007VCCP102314NCVCCADD-C4.7KR9427GNDP119CE1WP74LS14ENABLEENABLE4.7K36U19R877P12P10139P006CE2SCLP10P00START45200P11238P011016GNDSDAP11P01CLOCKref(-)25BY48L01/5VGNDVCCGNDVCC20403113P12337P0211P12P02AT24C04+5332P13436P03U10B3P13P03M1S22Q612533P14535P041R57P14P045P3534D401ASW1-2P15634P055U22P15P05P16733P06421K74LS1418P16P0642R991VCCP17832P0727P17P0710K276U14U10C366P365636P331321P201845INT1P20FCVCCP13D15GND5P321222P212774LS14INT0P21C1+SHP12400723P2236-5MAX25045P22GNDLVP11C251524P2345U10DT1P23C1-OUTP35R88P10P379810u1425P24T0P24P3420038C26+526P25MAX86074LS143+5P25310u+5C343127P261EA/VPP26R58130p28P27S21322KP271KR913Q72191X11D401A30S20182X2Y22U21AU21BC35DAC0832振荡电路30pRESET910U20LM358LM3582RESETRXDP30R54261171161TXDlsbDI0Iout1P31Q9P371730ALEVCC6127P001K3RDALE/PDI1Iout2-VCCD16VCCNE555P361629855P01WRPSENDI2R49-VCC40078449P02DI3Rfb2KGNDVCC4164-5P03DI4RSTC89C54RDR89R73181587P04DI5VrefDIS20033039R9014P05DI6RESETR5513235KP06msbDI7TRIGQR59双运放MC1458\RC4558196D21P072KILETHR1KQ8LF353LED118D10CSWR2D401AGND171025LEDR95XferWR1CVoltC9GNDC21Vcc20C151001033103R50+5 22uF1K
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