USB2.0 PHY IC
Level 1
400mV
Differential
Point 3
Point 4
0 Volt
ｓ
Point 1
Point 2
Differential
Point 5
Point 6
-400mV
Differential
Level 2
0%
100%
Figure 6.5 Eye Pattern for Receive Waveform and Eye Pattern Definition
Table 6.7 Eye Pattern for Receive Waveform and Eye Pattern Definition
TIME
(% OF UNIT INTERVAL)
VOLTAGE LEVEL (D+, D-)
Level 1
Level 2
Point 1
Point 2
Point 3
Point 4
Point 5
Point 6
575mV
-575mV
0V
N/A
N/A
15% UI
85% UI
35% UI
65% UI
35% UI
65% UI
0V
150mV
150mV
-150mV
-150mV
Revision 1.3 (10-05-04)
SMSC GT3200, SMSC USB3250
DATA1S7HEET
SMSC [ SMSC CORPORATION ]
