參數(shù)資料
型號(hào): ISP1501
英文描述: Hi-Speed Universal Serial Bus peripheral transceiver
中文描述: 高速通用串行總線(xiàn)外設(shè)收發(fā)器
文件頁(yè)數(shù): 28/40頁(yè)
文件大小: 770K
代理商: ISP1501
Philips Semiconductors
ISP1501
Hi-Speed USB peripheral transceiver
Product data
Rev. 02 — 21 November 2002
28 of 40
9397 750 10025
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
[1]
[2]
In the unit interval following a transition.
In all other cases.
16.1.2
Template 4 (receive waveform)
The eye pattern defined in
Table 16
defines the receiver sensitivity requirements for a
hub (signal applied at test point TP2) or a device without a captive cable (signal
applied at test point TP3). The corresponding signal levels and timings are given in
Table 16
. Timings are given as a percentage of the unit interval (UI), which represents
the nominal bit duration T
PERIOD
for a 480 Mbit/s transmission rate.
Table 15:
Name
Template 1 eye pattern definition
Differential voltage on pins DP and DM
(mV)
+
525
[1]
+
475
[2]
525
[1]
475
[2]
Relative duration
(% of unit interval)
n.a.
Level 1
Level 2
n.a.
Point 1
Point 2
Point 3
Point 4
Point 5
Point 6
0
0
7.5
92.5
37.5
62.5
37.5
62.5
+
300
+
300
300
300
Fig 27. Template 4 eye pattern (receive waveform).
MBL207
level 1
level 2
0
100
relative duration
(% of unit interval)
400 mV
+
400 mV
0
0
100
100
200
300
400
500
600
differential
input
voltage
(mV)
200
300
400
500
600
point 2
point 5
point 6
point 3
point 4
point 1
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