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范例二嵌入式以太网接口设计方案一系统概述1课题背景INTERNETA1A0A2A3A480A6A5A7A8A9A10A12A13A11A14A15A16A17A12A19A18A20A21A22A23A24A25A26A27A28A29A30A31A33A32A30A12A35A34A36A28A31A37A38A39A40A12A42A41A43A44A45A46A47A48A49A50A51A41A52A39A53A27A28A29A55A56A54A57A58A59A60A61ARUNNETRAVALIA63A62A65A66A672010A6A12A68A64A69A70A71A72A73A74A27A36A28A75A76A77A78A43A79A43A73A74A27A36A28A75A12A81A80A82A83A84A27A85A86A87A76A50A0A88A89A90A8A91A92A93A35A94A95A96A97A12A92A83A98A99A100A101A102A103A104A105A107A108A66A109A106PCPOSTPCA80A5A76A110A91A8A111PCA80A5A112A113A114A2A115A116A27A117A118A119A120A121A122A123THINSERVERA12A125A124A120A121A122A123A76A79A126A44A125A127A3A128A2A129A50A130A67A27A52A131A132A133A28A29A135A8A132A28A29A134A70A136A12A36A78INTERNETA1A0A88A27A135A57A80A27A135A39A40A27A135A138A137A27A139A140A141A142A18A125A124A28A29A27A143A144A107A55A20A15A99A145A12A147A146A148A149A28A29A150A151A31A1A152A150A151A153A17A13A11A27A106PCA80A5A12A76A154A155A127A117A118A119A156A157A31INTERNETA134A158A159A27A80A5A12A161A24A70A1A162A50A27A117A118A119A156A157A76A5A160PCA109INTERNETA1A152A84A163A164A19A165A166A167A12A125A168A76A26A26A166A169A100A117A118A119INTERNETA150A151A27A13A11A552系统构思A171A146A128A167A117A118A119A156A157A170A172A173A174A175A176A12A22A170A172A27A148A75A102A102A77A78A153A177A27A117A118A119A178A179A180A123A12A182A181A218A167MCUA27A117A118A119INTERNETA27A57A183A39A184A185A154A46A112A27,A187A9A186A26A112A148A27A117A118A119A156A157A185A188A21A190A189A170A172A191A192A12A194A193A9A178A179A180A123A195A196A197A12A79A155A124A198A62A135A200A121A135A201A199A202A203A204A159A57A183A155A205A27A162A50A12A125A206A46A207A159A28A29A208A110A13A11A27A18A209A55A211A156A157A27A202A210A212A213A154A109A155A1278A167A27A117A118A119A156A157A84A57A183A214A215A1A27A136A216A39A119A12A218A22A217A113A155A127A117A118A119INTERNETA202A203A12A36A78A214A215A1A57A183A117A118A119A156A157A148A164A109A1A2A27A219A220A12A222A221A223A67A102A103A198A179A117A118A119A156A157A27A171A224A55A156A157A225A212A226A14A227A226617A187A199A55TCP/IPA228A229A230A231TCP/IPTCP/IPINTERNETA232A233A234A235A236A237A238A239A240A241A242A243A244A245A246A247A248A240A249A250A251A252A253A254A255INTERNETA203A0A1A2A3A4A5A6A12A1098A168MCUA1A28A7A8A9A10A251A252A11A13A1TCP/IPA235A14A15A179TCP/IPA235A14A15A12A238UIPA12A222A16A17A203A0A10A1A18A19A20A21A2A22A23A24A25A26A27A29A1A30A255A31A32A142A33A34A35A29A55A125A36A37A38A250A39A40A1A41A42A43A44A45A46A47A178A168MCUA1A253A254A255A37A38A203A0A5A254INTERNETA55A48A49A50A51A36A128A52A12A156A128A52A45A5A254A53A54A43A44A65A251A252INTERNETA1A56A20A57A179A58A59A24A1A250A60A61A62A63A12A254A64A45A109A66A678A168MCUA82A12A8A9A1A68A205A69A70A67A173A250A71A72A108A73A156A128A52A45A5A254A1A74A75A43A44A12A46A47A76A74A75A114A251A252A253A254A255INTERNETA77A5A41A37A137A253A254A255INTERNETA1A78A67A79A80A12A1098A168MCUA1A253A254A255A37A38A203A0A10A12A76A74A75A1A39A40A128A81A83A196A84A250A553课题任务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二硬件设计实例1硬件选型A57A180A156A36A88A89A37A38A12A88A89A123A200A1A71A72A183A135A101A201A183A45A202A41A42A1A43A44A55A88A89A204A206A1A123A200A35A250A45A253A254A255A175A72A24A1A123A200A12A109A156A36A37A38A10A66A67A207A208A209A1A253A254A255A175A72A24A210A86A35A250A160A40A180A78A67A1A211A216A135A67A27A1A249A60A135A74A75A43A44A135A212A166A1A213A215A34A217A135A94A95A1A129A218A220A221A130A223A224A55A225A226A227A228A229A230A231A232A233A234A236A237A239A240A241A242A244A245ROMA246RAMA247A248A249A250A251A247A248A252A253A255A250A0A112A1A2A249A250A3A114A4A5A252A41A6A116A48A104A252A161A7A8A117A76A245CA48A9A124A246A10A11A12A245A94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