国信长天杯单片机开发板原理图 下载积分: 2000 内容提示: 1122334455667788DDCCBBAATitleNumberRevisionSizeA2Date:File:2010-5-7C:\Documents and Settings\..\Sheet ofDrawn By:.SchACTRSTSINAFDERRPEMPACKSLCTV3UD+UD-GNDX1X01234567891011121314D015D116D217D318D419D520D621D722SDA23SCL24STB25IN126BUSY27...