RTL8169
2002/03/27
Rev.1.21
88
MII Timing – MII Management Port
MDC
MDIO
Vih(min)
Vih(min)
Vil(max)
Vil(max)
tMCC
tMCH
tMCL
tMSU
tMHT
tMRV
MII Management Timing
Symbol
Description
Min
Typical
Max
Units
tMCC
MDC Cycle Time
50
ns
tMCH
MDC High Time
25
ns
tMCL
MDC Low Time
25
ns
tMSU
MDIO Setup Time
10
ns
tMHT
MDIO Hold Time
5
ns
tMRV
MDC Clock rise to MDIO valid
40
ns
MII Management Timing Parameters