数据手册
5
快 ethernet 10/100 四方形 transceivers
—
lxt974/lxt975
计算数量
1 lxt974/975 块 图解 ..................................................................................9
2 lxt974 管脚 assignments ...................................................................................10
3 lxt975 管脚 assignments ...................................................................................12
4 lxt974 转变 应用 .................................................................................19
5 lxt975 转变 应用 .................................................................................20
6 mii 数据 接口...............................................................................................22
7 loopback paths ..................................................................................................24
8 管理 接口 - 读 框架 结构 .................................................25
9 管理 接口 - 写 框架 结构.................................................25
10 mdio 中断 signaling....................................................................................25
11 硬件 接口 模式 选择 ...................................................................28
12 lxt974/975 自动-negotiation 运作 ...........................................................30
13 100base-tx 数据 流动.....................................................................................31
14 100base-tx 框架 结构 ...........................................................................31
15 lxt974/975 协议 sublayers .........................................................................33
16 100base-tx reception 和 非 errors .............................................................34
17 100base-tx reception 和 invalid 标识 .....................................................34
18 100base-tx 传递 和 非 errors........................................................34
19 100base-tx 传递 和 collision ..........................................................34
20 典型 lxt974 twisted-一双 单独的 rj-45 modular 应用 .......................44
21 典型 lxt975 twisted-一双 stacked rj-45 modular 应用 ....................45
22 lxt974/975 电源 和 地面 连接 ....................................................46
23 典型 twisted-一双 接口 和 供应 过滤 ...........................................47
24 典型 fiber 接口........................................................................................48
25 典型 mii 接口 ...........................................................................................49
26 mii - 100base-tx receive 定时 ....................................................................53
27 mii - 100base-tx transmit 定时 ...................................................................54
28 mii - 100base-fx receive 定时 ....................................................................55
29 mii - 100base-fx transmit 定时 ...................................................................56
30 mii - 10base-t receive 定时 ........................................................................57
31 mii - 10base-t transmit 定时 .......................................................................58
32 10base-t sqe (heartbeat) 定时...................................................................58
33 10base-t jab 和 unjab 定时 ......................................................................59
34 自动 negotiation 和 快 link 脉冲波 定时 ....................................................60
35 快 link 脉冲波 定时 .......................................................................................60
36 mdio 定时 当 sourced 用 sta .................................................................61
37 mdio 定时 当 sourced 用 phy ................................................................61
38 电源 向下 定时 ...........................................................................................62
39 串行 led 定时 ..............................................................................................62
40 phy identifier 位 mapping ..................................................................................66
41 lxt974/975 包装 规格 ...................................................................73
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