cx82100 home 网络 处理器 数据 薄板
vi
conexant 专卖的 和 confidential 信息
101306C
7 ethernet 媒介 进入 控制 接口 描述 .......................................................................... 7-1
7.1 mac 框架 format .....................................................................................................................................................7-2
7.2 parameterized 值 使用 在 implementation............................................................................................................7-3
7.3 emac 函数的 特性...........................................................................................................................................7-4
7.4 emac architecture ......................................................................................................................................................7-6
7.5 媒介 独立 接口 (mii) ..............................................................................................................................7-7
7.6 emac 中断..........................................................................................................................................................7-8
7.7 tmac architecture ......................................................................................................................................................7-9
7.7.1 transmit 框架 结构............................................................................................................................7-9
7.7.2 transmit descriptor...................................................................................................................................7-11
7.7.3 transmit 状态 (tstat) ...........................................................................................................................7-12
7.7.4 sequence 的 传输者 dma 运作...................................................................................................7-14
7.8 rmac architecture....................................................................................................................................................7-15
7.8.1 支持 为 这 发现 的 invalid mac frames ......................................................................................7-15
情况 1 ........................................................................................................................................7-15
情况 2 ........................................................................................................................................7-15
情况 3 ........................................................................................................................................7-15
7.8.2 支持 为 这 reception 没有 contention ..........................................................................................7-15
7.8.3 支持 为 这 reception 和 contention ...............................................................................................7-16
7.8.4 地址 过滤........................................................................................................................................7-16
建制 框架 ......................................................................................................................................7-16
perfect 地址 过滤....................................................................................................................7-16
例子 的 一个 perfect 地址 过滤 建制 框架 ..........................................................................7-17
imperfect 地址 过滤................................................................................................................7-18
例子 的 一个 imperfect 地址 过滤 建制 框架 ....................................................................7-20
地址 过滤 模式 ....................................................................................................................7-22
7.8.5 receive 状态 处理............................................................................................................................7-23
7.8.6 sequence 的 接受者 dma 运作 .......................................................................................................7-26
7.9 7-线 串行 接口 (7-ws) ..................................................................................................................................7-27
7.10 emac 寄存器 记忆 编排 ....................................................................................................................................7-28
7.11 emac 寄存器 ........................................................................................................................................................7-29
7.11.1 emac x 源/destination dma 数据 寄存器 (e_dma_1: 0x00310000 和 e_dma_2:
0x00320000).............................................................................................................................................7-29
7.11.2 emac x destination dma 数据 寄存器 (et_dma_1: 0x00310020 和 et_dma_2: 0x00320020) ...........7-29
7.11.3 emac x 网络 进入 寄存器 (e_na_1: 0x00310004 和 e_na_2: 0x00320004) ..............................7-30
7.11.4 emac x 状态 寄存器 (e_stat_1: 0x00310008 和 e_stat_2: 0x00320008) ..........................................7-33
7.11.5 emac x 接受者 last 小包装板盒 寄存器 (e_lp_1: 0x00310010 和 e_lp_2: 0x00320010) ........................7-34
7.11.6 emac x 中断 使能 寄存器 (e_ie_1: 0x0031000c 和 e_ie_2: 0x0032000c) .................................7-35
7.11.7 emac x mii 管理 接口 寄存器 (e_mii_1: 0x00310018 和 e_mii_2: 0x00320018) .............7-36
8 usb 接口 描述.................................................................................................................... 8-1
8.1 udc 数据 path ............................................................................................................................................................8-3
8.1.1 usb transmit 数据 path (endpoint 在 频道)...........................................................................................8-3
8.1.2 usb receive 数据 path (endpoint 输出 频道) .........................................................................................8-4
8.2 usb 数据 流动 ............................................................................................................................................................8-5
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