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DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
46
Final
Version: DM9601-DS-F01
June 22, 2002
Symbol
parameter
Min.
Typ.
Max.
Unit
T1
TXEN,TXD[3:0] setup time
32
ns
T2
TXEN,TXD[3:0] hold time
32
ns
13.5.5 External MII Interface Receive Timing
Symbol
parameter
Min.
Typ. Max. Unit
T1
RXER, RXDV,RXD[3:0] setup time
5ns
T2
RXER, RXDV,RXD[3:0] hold time
5ns
13.5.6 MII Management Interface Timing
Symbol
parameter
Min.
Typ.
Max.
Unit
T1
MDC frequency
2
MHz
T2
MDIO by DM9601 setup time
187
ns
T3
MDIO by DM9601 hold time
313
ns
T4
MDIO by external MII setup time
40
ns
T5
MDIO by external MII hold time
40
ns
MDC
MDIO (drive by DM9601)
MDIO (drive by externcl MII)
T1
T2
→
→
←
←
→
T3
→←
T4
←
→
T5
←
T1
T2
RXCK
RXER,RXDV
∫∫
←
←→
→
RXD[3:0]
∫∫