VSC8540XMVRT-HC datasheet(72/87 Pages) MICROCHIP

部品番号	VSC8540XMVRT-HC

部品情報	Radiation-Tolerant Single Port Fast Ethernet Copper PHY with RGMII/MII/RMII Interfaces

PDF	87 Pages

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メーカー	MICROCHIP [Microchip Technology]

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72 / 87 page

VSC8540RT

DS60001603E-page 72

 2022 Microchip Technology Inc. and its subsidiaries

8.4.7

MII RECEIVE

The following table lists the characteristics when using the device in MII receive mode. For information about the MII

receive timing, see the following figure

FIGURE 8-4:

MII RECEIVE TIMING

8.4.8

MII TRANSMIT

The following table lists the characteristics when using the device in MII transmit mode. For information about the MII

transmit timing, see the following figure.

FIGURE 8-5:

MII RECEIVE TIMING

TABLE 8-23:

MII RECEIVE AC CHARACTERISTICS

Parameter

Symbol Minimum Typical Maximum Unit

RX_CLK to RXD[3:0], RX_DV, RX_ER

delay

tDELAY

RX_CLK duty cycle

TABLE 8-24:

MII TRANSMIT AC CHARACTERISTICS

Parameter

Symbol Minimum Typical Maximum

Unit

Condition

Setup to MII_TXCLK ris-

ing

tSU

Hold from MII_TXCLK ris-

ing

Measured from 0.8V to

2.0V, VDDMAC = 2.5V

and 3.3V

RX_CLK

RXD[3:0]

RX_DV

RX_ER

Valid Data

tDELAY

MII_TXCLK

TXD[3:0]

TX_EN

TX_ER

tSU

Valid Data

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