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| TLK111_14 Datasheet, PDF (89/110 Pages) Texas Instruments – PHYTER® Industrial Temperature 10/100Mbs Ethernet Physical Layer Transceiver | |||
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TLK111
www.ti.com
9.9.3 MII Serial Management Timing
SLLSEF8B â AUGUST 2013 â REVISED JANUARY 2014
Table 9-3. MII Serial Management Timing
PARAMETER
t1
MDC Frequency
t2
MDC to MDIO (Output) Delay Time
t3
MDIO (Input) to MDC Hold Time
t4
MDIO (Input) to MDC Setup Time
TEST CONDITIONS
MIN TYP MAX UNIT
2.5
25 MHz
0
30 ns
10
ns
10
ns
MDC
t1
t2
MDIO (Output)
MDC
MDIO (Input)
t3
t4
Valid Data
Figure 9-3. MII Serial Management Timing
9.9.4 100Mb/s MII Transmit Timing
Table 9-4. 100Mb/s MII Transmit Timing
PARAMETER
TEST CONDITIONS
t1
TX_CLK High Time
t2
TX_CLK Low Time
100Mbs Normal mode
t3
TXD[3:0], TX_EN Data Setup to TX_CLK
100Mbs Normal mode
t4
TXD[3:0], TX_EN Data Hold from TX_CLK
100Mbs Normal mode
t1
t2
TX_CLK
TXD[3:0]
TX_EN
t3
t4
Valid Data
Figure 9-4. 100Mb/s MII Transmit Timing
T0340-01
MIN TYP MAX UNIT
16
20
24 ns
10
ns
0
ns
T0341-01
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