数据手册
5
双-速 快 ethernet transceiver
—
LXT970A
计算数量
1 lxt970a 块 图解 .......................................................................................9
2 lxt970a 管脚 assignments .................................................................................10
3 网络 接口 card (nic) 应用 ..........................................................18
4 mii 接口 .......................................................................................................20
5 mii 数据 接口...............................................................................................21
6 loopback paths ..................................................................................................23
7 repeater 块 图解 ....................................................................................24
8 mdio 中断 signaling....................................................................................25
9 管理 接口 - 读 框架 结构 .................................................25
10 管理 接口 - 写 框架 结构.................................................25
11 lxt970a initialization sequence .......................................................................30
12 自动-negotiation 运作................................................................................31
13 100base-tx 框架 结构 ...........................................................................33
14 100base-tx 数据 流动.....................................................................................33
15 lxt970a 协议 sublayers .............................................................................36
16 100base-tx reception 和 非 errors .............................................................37
17 100base-tx reception 和 invalid 标识 ....................................................37
18 100base-tx 传递 和 非 errors.......................................................37
19 100base-tx 传递 和 collision .........................................................37
20 电压 分隔物 ...................................................................................................45
21 典型 接口 电路系统...................................................................................46
22 mii - 100base-tx receive 定时 / 4b 模式 ...................................................51
23 mii - 100base-tx transmit 定时 / 4b 模式 .................................................52
24 mii - 100base-tx receive 定时 / 5b 模式 ...................................................53
25 100base-tx transmit 定时 / 5b 模式..........................................................54
26 mii - 100base-fx receive 定时 / 4b 模式 ...................................................55
27 mii - 100base-fx transmit 定时 / 4b 模式 ..................................................56
28 mii - 10base-t 接到 定时 ......................................................................57
29 mii - 10base-t transmit 定时 .......................................................................58
30 10base-t sqe (heartbeat) 定时...................................................................59
31 10base-t jab 和 unjab 定时 ......................................................................59
32 自动 negotiation 和 快 link 脉冲波 定时 ....................................................60
33 快 link 脉冲波 定时 .......................................................................................60
34 mdio 定时 当 sourced 用 sta .................................................................61
35 mdio 定时 当 sourced 用 phy .................................................................61
36 电源-向下 恢复 定时 (在 推荐 范围) ...........................62
37 phy identifier 位 mapping .................................................................................66
38 64-管脚 qfp 包装 图解 ...........................................................................73
39 64-管脚 tqfp 包装 图解.........................................................................74
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