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Mdio interface, Mdio i, Nterface – Maxim Integrated DS33Z41 User Manual

Page 148

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DS33Z41 Quad IMUX Ethernet Mapper

148 of 167

11.4 MDIO Interface

Table 11-9. MDIO Interface

PARAMETER SYMBOL

MIN

TYP

MAX

UNITS

MDC Frequency

1.67

MHz

MDC

Period

t1 540 600 660 ns

MDC Low Time

t2

270

300

330

ns

MDC

High

Time

t3 270 300 330 ns

MDC to MDIO Output Delay

t4

20

10

ns

MDIO Setup Time

t5

10

ns

MDIO Hold Time

t6

20

ns

Figure 11-5. MDIO Timing

MDC

MDIO

t4

MDC

t2

t3

t1

MDIO

t5

t6