CS8952(2001) Ver la hoja de datos (PDF) - Cirrus Logic

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CS8952
(Rev.:2001)

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

CS8952

SERIAL MANAGEMENT INTERFACE TIMING

Parameter

MDC Period

MDC Pulse Width

MDIO Setup to MDC (MDIO as input)

MDIO Hold after MDC (MDIO as input)

MDC to MDIO valid (MDIO as output)

Symbol

Min

Typ

Max

Unit

tp

60

-

-

ns

tWL,tWH

40

-

60

%

tMD1

10

-

-

ns

tMD2

10

-

-

ns

tMD3

0

-

40

ns

MDC

DIRECTION:

IN or OUT of chip

IN

tMD1 t MD2

MDIO Valid Data Valid Data

IN

MDIO

t MD3

Valid Data

OUT

18

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

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