Micrel, Inc.
KSZ9021RL/RN
Auto-Negotiation Timing
Auto-Negotiation
Fast Link Pulse (FLP) Tim ing
FLP
FLP
Burst
Burst
TX+/TX-
tFLPW
tBTB
Clock
Pulse
Data
Pulse
Clock
Pulse
Data
Pulse
TX+/TX-
tPW
tPW
tCTD
tCTC
Figure 6. Auto-Negotiation Fast Link Pulse (FLP) Timing
Timing Parameter
Description
Min
Typ
16
Max
Units
ms
ms
ns
tBTB
tFLPW
tPW
FLP Burst to FLP Burst
FLP Burst width
8
24
2
Clock/Data Pulse width
Clock Pulse to Data Pulse
Clock Pulse to Clock Pulse
100
64
tCTD
tCTC
55.5
111
17
69.5
139
33
µs
128
µs
Number of Clock/Data Pulse per
FLP Burst
Table 11. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters
M9999-101309-1.1
October 2009
49
MICREL [ MICREL SEMICONDUCTOR ]
