LAN8710A-EZC View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

LAN8710A-EZC

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology

SMSC -> Microchip 

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5.5.4

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology

Datasheet

MII Interface Timing

This section specifies the MII interface transmit and receive timing. Please refer to Section 3.4.1, "MII,"

on page 30 for additional details.

RXCLK

RXD[3:0]

RXDV

tclkp

tclkh tclkl

tval

tval

thold

Figure 5.4 MII Receive Timing

thold

tval

Table 5.8 MII Receive Timing Values

SYMBOL

DESCRIPTION

MIN

tclkp

RXCLK period

Note 5.15

tclkh

RXCLK high time

tclkp*0.4

tclkl

RXCLK low time

tclkp*0.4

tval

RXD[3:0], RXDV output valid from rising edge of

RXCLK

thold

RXD[3:0], RXDV output hold from rising edge of

10.0

RXCLK

MAX

tclkp*0.6

tclkp*0.6

28.0

UNITS NOTES

ns

ns

ns

ns

Note 5.16

ns

Note 5.16

Note 5.15 40ns for 100BASE-TX operation, 400ns for 10BASE-T operation.

Note 5.16 Timing was designed for system load between 10 pf and 25 pf.

SMSC LAN8710A/LAN8710Ai

73

DATASHEET

Revision 1.4 (08-23-12)

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