mc68160a Freescale Semiconductor, Inc, mc68160a Datasheet - Page 20
mc68160a
Manufacturer Part Number
mc68160a
Description
Enhanced Ethernet Interface Circuit
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68160A.pdf
(32 pages)
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TP TRANSMIT JABBER SWITCHING
TP TRANSMIT SIGNAL QUALITY ERROR TEST SWITCHING
NOTE: The load attached to the specified output is a 20 pF capacitor connected to ground, unless otherwise noted.
Max Length of Transmission before Assertion
Time from End of Jabber Condition to Deassertion:
CLSN (Signal Quality Error Test) (See Figure 29)
TPSQEL Disable Delay Time (See Figure 29)
of TPJABB to indicate Jabber Condition
CLSN to indicate Jabber Condition
of TPJABB
of CLSN
A
Assertion from last positive TPTX edge
Deassertion from last positive TPTX edge
Deassertion from last ositive TPTX edge
Pulse Width
(Differential)
TPJABB
CLSN
TPTX
ti
f
l
t
585mV
iti
t 139
–585mV
TPTX d
Characteristic
Freescale Semiconductor, Inc.
t 140
For More Information On This Pro
Figure 27. TPTX+/– Link Pulse Timing
t 141
585mV
Go to: www.freescale.com
Figure 28. TPJABB Switching
t 160
t 161
50mV
MC68160A
t 142
1.5V
585mV
1.5V
Symbol
t 160
t 161
t 162
t 163
t
t 170
t 171
t 171
t 172
t 173
585mV
OROLA ANALOG IC DEVICE DATA
t 163
t 162
Min
500
500
0 6
0.6
0.5
20
20
–
–
Max
750
750
1 6
1.6
3.1
3.1
1.5
60
60
40
1.5V
1.5V
Unit
ms
ms
ns
s