Mii/10Base-T Transmit Timing - Samsung KS8910 User Manual

Preliminary Spec. ver
1.4
KS8910 100/10 Mbps ETHERNET TRANSCEIVER

MII/10BASE-T TRANSMIT TIMING

Tx_clk
TxD
Tx_en
Tx_er
CrS
TPOP
Symbol
t1 TxD,Tx_en,Tx_er Setup to Tx-clk rise
t2 TxD,Tx_en,Tx_er Hold from Tx-clk rise
t3 Tx_en sampled to CrS asserted
t4 Tx_en sampled to CrS de-asserted
t5 Tx_en sampled to TPO out (Tx latency)
t
1
t
3
t
5
Figure 8-4. MII/10Base-T Transmit Timing Diagram
Table 8-9. MII/10Base-T Transmit Timing
Conditions
ELECTRICAL CHARACTERISTICS
t
2
t
4
Min Typ
10
10
- 4.8
- 2.0
- 1.0
Max Unit
- - ns
ns
- -
us
-
us
-
us
-
8-7