11223344DDCCBBAATitleNumberRevisionSizeA4Date:2015/11/18Sheet ofFile:C:\Users\..\23.4~7 RS485.SCHDOCDrawn By:20pFC120pFC210μFC3S2RST10kΩR2Y111.0592MHz+5VRXDTXDVCC120ΩR3RXDTXDREDEVCCABRO1RE2DE3DI4GND5A6B7Vcc8U6MAX4852345Com1PR210kΩ12348765S1SW DIP-42345Com1PR110kΩVCCad0ad1ad2ad3ad0ad1ad2ad3EA/VP31X119X218RESET9RD17WR16INT012INT113T014T115P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P0.039P0.138P0.237P0.336P0.435P0.534P0.633P0.732P2.021P2.122P2.223P2.324P2.425P2.526P2.627P2.728PSEN29ALE/P30TXD11RXD10U1AT89C51CS1RD2WR3INTR5DB711DB612DB513DB414DB315DB216DB117DB018VCC20IN+6IN -7AGND8REF/29DGND10CLK IN4CLKOUT19U4ADC0805CNAD0AD1AD2AD3AD4AD5AD6AD7+5VWRRDAD0804CS1kΩR4150pFC4AD0804INTSIN+1GND2PW+4PW-5VO-8VO+11ISO EM A4-P3 -O4U5ISO EM S4-P3-O4+5V12JP14~20mAAD0AD1AD2AD3AD4AD5AD6AD723456789Com1RP110kΩ+5VDIG26DIG65GND4SEG E21SEG G17ISET18V+19SEG C20DIG43SEG D23DIN1DIG02SEG F15SEG B16SEG A14GND9DIG111DIG510CLK13SEG DP22DIG37DIG78DOUT24CS12U2MAX7221EWG11f2g3e4d526c8dp7b9a10311412513614715816U38lLED+5VABCDEFGDPABCDEFGDPDIG0DIG1DIG2DIG3DIG4DIG5DIG6DIG7DIG0DIG1DIG2DIG3DIG4DIG5DIG6DIG7P1.0P1.1P1.210kΩR1AD0804CSAD0804INTWRRDP1.0P1.1P1.2

Bill of MaterialsBill of Materials For Project [Free Documents] (No PCB Document Selected)Source Data From:Free DocumentsProject:Free DocumentsVariant:NoneCreation Date:2015/11/1821:29:05Print Date:4232642326.89523#Column Name Error:Footprint#Column Name Error:Comment#Column Name Error:LibRef#Column Name Error:Designator#Column Name Error:Description#Column Name Error:Quantity0ApprovedNotes