4 port serial interface_软硬件系统设计分析研究

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1、4PortSerialInterfaceJ2第一部分-12VU2+12VVCCU511414V-V+V+VCCTXA23J5DCDA31J1原理图1INAOUTAOUTAINA2RESADTRA46J7RXA64J3INB1OUTBOUTBINB5513304764INB2RESBA[0..2]U1RTSA108J4DSRA810J2A[0..2]INC1OUTCOUTCINCA03499A0INC2RESCA1339DCDATXB1311J15CTSA1113J6A232A1VCCVCCVCCVCCDCDA7RX

2、A12IND1OUTD77OUTDIND12A2RXAIND2GNDGNDRESD17TXA16TXA12DTRA14881489Bracket-CSACSADTRA2010DSRA-12VU3+12VVCCU6J1-CSBCSBDSRA5014RTSA11414J11-CSCCSCRTSAV-V+V+5411CTSADTRB23J17RIA31J8J220-CSDCSDCTSAINAOUTAOUTAINAD[0..7]8RIA2J32D[0..7]RIARESAD066D0RTSB4INB1OUTB6J14DCD

3、B6OUTBINB4J11J421D16755J53D1INB2RESBD26827DCDBTXC108J25RXB810J13J622D2DCDBINC1OUTCOUTCINCD3129RXB99J74D3RXBINC2RESCD4219TXBDTRC1311J27DSRB1113J12J823D4TXBIND1OUTDOUTDINDD5324DTRB127712J115D5DTRBIND2GNDGNDRESDD6426DSRBJ1224D6DSRBD7522RTSB14881489J136D7RTSB25CTS

4、B-12VU4+12VVCCU7J1425CTSB6528RIB11414J157INTNRIBV-V+V+RTSC23J24CTSB31J16J1626INAOUTAOUTAINA152J178INTAINTARESA21TXD46J35RIB64J18J1827INTBINTBINB1OUTBOUTBINB4943DCDC55J219INTCINTCDCDCINB2RESB5541RXCDTRD108J37DCDC810J21J2228INTDINTDRXCINC1OUTCOUTCINC51TXC99J2310

5、TXCINC2RESC5246DTRCRTSD1311J34RXC1113J23J2429-RDIORDTRCIND1OUTDOUTDIND44DSRC127712J2511DSRCIND2GNDGNDRESD1848RTSCJ2630-WRIOWRTSC45CTSC14881489J2712CTSC3742RICVCCU8J2831RESETRESETRIC14J3113V+38DSRC31J22J3232RXRDYOUTAINA3961DCDD2J3314TXRDYDCDDRESA63RXDCTSC64J26J

6、3433RXDOUTBINB3553TXD5J3515XTAL1TXDRESB58DTRDRIC810J28J3634DTRDOUTCINCC13R1X160DSRD9J3716DSRDRESC20pF1M1.8432Mhz56RTSDDCDD1113J31J3835RTSDOUTDIND59CTSD71217R2CTSDGNDRESD3662RID36XTAL2GNDGNDGNDGNDRID1K5148918TL16C554VCCU9376C142340571419V+50pFRXD31J33OUTAINA2DB

7、37RESADSRD64J32OUTBINB5RESBCTSD810J36OUTCINC9RESCPCBRuleRID1113J38OUTDINDVCCi+12V-12V7GNDRESD121489C1C2C3C4C5C10C8C9J[1..38]0.1uF0.1uF0.1uF0.1uF0.1uF0.1uF0.1uF0.1uFiPCBRule第1页共62页原理图2PCBusEdgeConnectorPCBRulePCBRule-RDiD1i-WRRESETVCCP1D[0..7]D[0..7]-12VC161N40

8、04B1GND-IOCHCKA110uFB2A2D7RESDRVD7B3A3D6+5VD6B4A4D5IRQ9D5B5A5D4-5VD4B6A6D3DREQ2D3-12V_U/PB7A7D2-12VD2+12VD2B8A8D1-0WSD1+12V_U/PB9+12VD0A9D0B10A10U10iC171N4004iB11GNDIOCHRDYA111-SME