---
title: MDIO写时序参数
description: "图1 MDIO接口写时序图"
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# MDIO写时序参数

图1 MDIO接口写时序图


**表1 MDIO接口写时序参数**

| 符号 | 参数 | 最小值 | 最大值 | 单位 |
| --- | --- | --- | --- | --- |
| t4 | MDC到MDIO的延迟时间 | 0.5cycle\-10 | 0.5cycle+10 | ns |