ics1893cy-10 Integrated Device Technology, ics1893cy-10 Datasheet - Page 133

• Manufacturer Part Number: ics1893cy-10
• Description: 3.3-v 10base-t/100base-tx Integrated Phyceiver
• Manufacturer: Integrated Device Technology

9.5.16 100M Media Dependent Interface: Input-to-Carrier Assertion/De-Assertion
ICS1893CY-10 Rev 1/07
TP_RX
CRS
COL
†
unscrambled.
Table 9-23
time periods consist of timings of signals on the following pins:
•
•
•
Figure 9-17
Table 9-23. 100M MDI Input-to-Carrier Assertion/De-Assertion Timing
† The IEEE maximum is 20 bit times.
‡ The IEEE minimum is 13 bit times, and the maximum is 24 bit times.
Figure 9-17. 100M MDI Input to Carrier Assertion / De-Assertion Timing Diagram
Shown
Period
†
Time
TP_RX (that is, TP_RXP and TP_RXN)
CRS
COL
t1
t2
t3
t4
ICS1893CY-10 Data Sheet - Release
First Bit of /J/ into TP_RX to CRS Assert †
First Bit of /J/ into TP_RX while
Transmitting Data to COL Assert †
First Bit of /T/ into TP_RX to CRS
De-Assert ‡
First Bit of /T/ Received into TP_RX to
COL De-Assert ‡
lists the significant time periods for the 100M MDI input-to-carrier assertion/de-assertion. The
shows the timing diagram for the time periods.
First bit
t2
t1
Parameter
Copyright © 2007, Integrated Device Technology, Inc.
All rights reserved.
134
Half-Duplex Mode
Half-Duplex Mode
Conditions
–
–
Chapter 9 DC and AC Operating Conditions
First bit of /T/
t3
t4
Min.
10
13
13
9
Typ.
–
–
–
–
Max.
14
13
18
18
Bit times
Bit times
Bit times
Bit times
Units