112233445566DDCCBBAATitleNumberRevisionSizeBDate:2015/1/18SheetofFile:C:\Users\..\SHEET1.SCHDOCDrawnBy:EA/VPP31XTAL119XTAL218RST9P3.7(RD)17P3.6(WR)16P3.2(INT0)12P3.3(INT1)13P3.4(T0)14P3.5(T1)15P1.01P1.12P1.23P1.34P1.45P1.5(MOSI)6P1.6(MISO)7P1.7(SCK)8(AD0)P0.039(AD1)P0.138(AD2)P0.237(AD3)P0.336(AD4)P0.435(AD5)P0.534(AD6)P0.633(AD7)P0.732(A8)P2.021(A9)P2.122(A10)P2.223(A11)P2.324(A12)P2.425(A13)P2.526(A14)P2.627(A15)P2.728PSEN29ALE/PROG30(TXD)P3.111(RXD)P3.010GND20VCC40U1AT89S51VCC4.7KR4VCC104C210uFC1S1RESETD1VCC12Y1XTAL100pFC?Cap100pFC?CapA1DB02A2DB14A3DB26A4DB38B1DB411B2DB513B3DB615B4DB7171G12G191Y1181Y2161Y3141Y4122Y192Y272Y352Y43U274LS244Component_1S1R6R7R8R9R10R11R12R13VCCABCDEFGDP123456789R14VCCVCCDB0DB1DB2DB3DB4DB5DB6DB7P2.7P2.6P2.5P2.4P2.3P2.2P2.1P2.01234567abcdefg8dp9GNDabfcgdedp10NCDS41234567abcdefg8dp9GNDabfcgdedp10NCDS31234567abcdefg8dp9GNDabfcgdedp10NCDS2Q3PNPQ2PNPQ1PNP4.7KR34.7KR24.7KR1P2.3P2.2P2.110KR5RSTABCDEF.GDPAQNDDQVDDDS18B201234567abcdefg8dp9GNDabfcgdedp10NCDS1Q0PNP4.7KR0P2.0U3BUZZERQ14PNPVCCUnRegistered