ICS1892 Integrated Circuit Systems, ICS1892 Datasheet - Page 135
ICS1892
Manufacturer Part Number
ICS1892
Description
10Base-T/100Base-TX Integrated PHYceiver
Manufacturer
Integrated Circuit Systems
Datasheet
1.ICS1892.pdf
(148 pages)
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10.5.12 MII / 100M Stream Interface: Transmit Latency
ICS1892, Rev. D, 2/26/01
TXEN
TXCLK
TXD
TP_TX*
*Shown
unscrambled.
Table 10-19
periods consist of timings of signals on the following pins: TXEN, TXCLK, TXD (that is, TXD[3:0]), and
TP_TX (that is, the TP_TXP and TP_TXN pins).
periods.
Table 10-19. MII / 100M Stream Interface Transmit Latency
† The IEEE maximum is 18 bit times.
Figure 10-12. MII / 100M Stream Interface Transmit Latency Timing Diagram
Period
Time
t1
t2
ICS1892
TXEN Sampled to MDI Output of First
Bit of /J/ †
TXD Sampled to MDI Output of First
Bit
lists the significant time periods for the MII / 100 Stream Interface transmit latency. The time
Preamble /J/
Parameter
© 2000-2001, Integrated Circuit Systems, Inc.
All rights reserved.
Preamble /K/
t1
t2
135
Figure 10-12
MII
100M Stream Interface
Conditions
shows the timing diagram for the time
Chapter 10 DC and AC Operating Conditions
Min.
–
–
Typ. Max.
4
4
February 26, 2001
4
4
Bit times
Bit times
Units
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