10Base-T Sqe(Heartbeat) Timing - Samsung KS8910 User Manual

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

10BASE-T SQE(Heartbeat) TIMING

Tx-clk
Tx_en
Ready
Symbol
t1 COL(SQE) Delay after Tx_en off
t2 COL(SQE) Pulse duration
t
1
Figure 8-10. 10Base-T (SQE)Heartbeat Timing Diagram
Table 8-15. 10Base-T SQE(Heartbeat) Timing
Conditions
ELECTRICAL CHARACTERISTICS
t
2
Min
-
-
Typ Max Unit
1.2 -
1.2 -
us
us
8-13