Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - transceivers MII 4/4 LQFP 64

78Q2120C

10/100BASE-TX

Transceiver

Page: 25 of 35 © 2009 Teridian Semiconductor Corporation Rev 1.3

MDIO Interface Output Timing

Z

Preamble PHY Address

Read

Write

Data

Turnaround

Start of

Frame

Operation

Code

1 1 1 011 0A AAAARRRRRZ 0DDDDDDDDDDDDDDDD Z

Z

Preamble PHY Address Data

Turnaround

Start of

Frame

Operation

Code

1 1 1 010 1A AAAARRRRR1 0DDDDDDDDDDDDDDDD Z