基于FT232R的usb转串口原理图PCB及清单

11223344DDCCBBAATitleNumberRevisionSizeA4Date:2011/12/30SheetofFile:F:\dianzi\..\usb2com.SchDocDrawnBy:TXD1DTR#2RTS#3VCCIO4RXD5RI#6GND7NC8DSR#9DCD#10CTS#11CBUS412CBUS213CBUS314USBDP15USBDM163V3OUT17GND18RESET#19VCC20GND21CUBS122CUBS023NC24AGND25TEST26OSCI27OSCO28U1FT232RL1234P1USBVCCUSBD-USBD+20R1USBVCCGNDGND123P25V_3.3VVCC3.3VVCCIOVCCIO3.3VGNDVCC10KR2DS3LEDPowerGNDDS1LED_TXDS2LED_RX270RR3270RR4VCCVCCIO100pFC7GNDGNDMCU_TXDMCU_RXD10KR610KR5VCCIO10nFC2GNDUSBVCC4.7uFC9100nFC10C1+1C1-3C2+4C2-5T1IN11T2IN10T1OUT14T2OUT7V+2V-6R1OUT12R2OUT9R1IN13R2IN8VCC16GND15U2MAX2321uFC41uFC61uFC31uFC1GND1uFC5GNDGND1234567891110J1COMRXDTXDGNDGND123456P5Header3X2F_TXDF_RXDF_TXD123456P6Header3X2F_RXDMCU_TXDMCU_RXD232_RXD232_TXD485_TXD485_RXD232_TXDTXD232_RXDRXDF_RTSF_DTR123456P3TTLF_RTSRO1RE2DE3DI4VCC8B7A6GND5U3MAX485GNDVCCVCC0.1uFC8GND485_RXD485_TXDPOWERENPOWERENTXDENTXDEN120RR7485_A485_B12P4RS485485_B485_AUSB/485V1.0V1.0:usb2com.PrjPcbVariant:NoneCreationDate:2011/12/3019:50:57PrintDate:4090740907.82719FootprintCommentLibRefDesignatorDescriptionQuantity0805CapCapC1,C3,C4,C5,C6,C7,C8,C10Capacitor81210CapPol1CapPol1C2,C9PolarizedCapacitor(Radial)20805LED_TXLED0DS1TypicalINFRAREDGaAsLED10805LED_RXLED0DS2TypicalINFRAREDGaAsLED10805LEDPowerLED0DS3TypicalINFRAREDGaAsLED1DSUB1.385-2H9COMDConnector9J1ReceptacleAssembly,9Position,RightAngle1USBUSBHeader4