ACD82224 Datasheet, PDF (57/77 Pages) List of Unclassifed Manufacturers – 24 Ports 10/100 Fast Ethernet Switch

Figure-9.3: PHY Management Read Timing
t2
MDC
MDIO
t1
T# Description MIN TYP MAX UNIT
t1 MDIO setup time 0 - 300 ns
t2 MDC cycle
- 800 - ns
Figure-9.4: PHY Management Write Timing
MDC
MDIO
t1
t2
t5
t3
t4
T# Description MIN T Y P M A X UNIT
t1 MDC High time 360
-
440
ns
t2 MDC Low time 360
-
440
ns
t3
MDC period
-
800
-
ns
t4 MDIO set up time 10
-
-
ns
t5 MDIO hold time 10
-
-
ns
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