Mii Timing - Realtek RTL8169 Manual

11.3.4 MII Timing

MII Timing – MII PORT - Transmit
TxCLK
TxD[3:0], TxEN
Symbol
tTxCC
tTxCH
tTxCL
tTxRV
tTxHD
MII Timing – MII PORT - Receive
RxCLK
RxD[3:0], RxDV,
RxER
Symbol
tRxCC
tRxCH
tRxCL
tRxSU
tRxHD
2002/03/27
tTxCH
tTxRV
Description
Tx Clock Cycle
Tx Clock High Time
Tx Clock Low Time
Tx Clock rise to TxD, TxEN valid
TxD, TxEN Hold Time
MII Transmit Timing Parameters
tRxCH
Description
Rx Clock Cycle
Rx Clock High Time
Rx Clock Low Time
RxD, RxDV, RxER Setup Time
RxD, RxDV, RxER Hold Time
MII Transmit Timing Parameters
tTxCC
tTxCL
MII Transmit Timing
10MHz
Min
Typical
400
140
140
5
tRxCC
tRxCL
tRxSU
MII Transmit Timing
10MHz
Min
Typical
400
140
140
10
5
87
tTxHT
100MHz
Max Min
Typical
40
260 14
260 14
20
5
tRxHT
100MHz
Max Min Max
Typical
40
260 14
260 14
20 10
5
RTL8169
Vih(min)
Vil(max)
Vih(min)
Vil(max)
Max Units
ns
26 ns
26 ns
20 ns
ns
Vih(min)
Vil(max)
Vih(min)
Vil(max)
Units
ns
26 ns
26 ns
20 ns
ns
Rev.1.21