KSZ8895MQ-EVAL Datasheet, PDF (113/118 Pages) Micrel Semiconductor – Integrated 5-Port 10/100 Managed Ethernet Switch with MII/RMII Interface

Micrel, Inc.
MDC/MDIO Timing
KSZ8895MQ/RQ/FMQ
Figure 26. MDC/MDIO Timing
Timing Parameter Description
Min. Typ. Max Unit
tP
t1MD1
tMD2
tMD3
MDC period
400
ns
MDIO (PHY input) setup to rising edge of MDC
10
ns
MDIO (PHY input) hold from rising edge of MDC
4
ns
MDIO (PHY output) delay from rising edge of MDC
222
ns
Table 31. MDC/MDIO Typical Timing Parameters
January 22, 2013
113
Revision 1.6