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USB20H04 Datasheet(PDF) 3 Page - SMSC Corporation

Part # USB20H04
Description  4-PORT USB2.0 HUB CONTROLLER
PDF  38 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB20H04 Datasheet(HTML) 3 Page - SMSC Corporation

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4-Port USB2.0 Controller
Datasheet
SMSC USB20H04
Page 3
Revision 1.63 (10-14-04)
DATASHEET
USB20H04 Datasheet Revisions
PAGE(S)
SECTION/FIGURE/ENTRY
CORRECTION
REVISION LEVEL
AND DATE
Cover
Ordering Information
Added lead-free part number
Revision 1.63
(10-14-04)
26
Table 8.4
Removed 0000 from the over-current timer
value, which places it into the reserved
category
Revision 1.62
(09-10-04)
15, 16,
18
Table 5.2, 6.1, 6.2, 6.4
Lower limit for the 1.8V regulator
specification changed from 1.6 to 1.74V.
(Note upper limit restored to previous value
of 2.0V)
Revision 1.61
(07-28-04)
15
Table 5.2 – Recommended
Operating Conditions
1.8V regulator specification changed to
±5%. (was ±10%)
Revision 1.6
(07-14-04)
13
Table 4.3 - USB I/O Signals
VBUSDET pin description updated
Revision 1.5
(04-01-04)
Cover
Title
Title changed from “Hi-Speed USB Hub
Controller IC” to “4-Port USB2.0 Hub
Controller”
Revision 1.4
(12-10-03)
24
Figure 8.2 - Internal Default Mode
Updated diagram.
Revision 1.3
11-13-03
20
7.5.2 - I
2C Memory Interface
Removed last sentence.
Revision 1.3
11-11-03
24
Figure 8.2 - Internal Default Mode
Updated figure.
Revision 1.3
11-11-03
27
Table 8.6 - Default Configuration
Values
Updated table with note about PID
changing with silicon revision.
Revision 1.3
11-11-03
36
Figure 10.1 - High Level Block
Diagram of a Self-Powered Hub
Removed (128x8) from figure.
Revision 1.3
11-11-03
Cover - Ordering Information
Changed from “USB20H04L-JD” to
“USB20H04-JD”.
Revision 1.3
11-05-03
8
Chapter 1 General Description
Added paragraph 3.
Revision 1.3
10-31-03
9
1.3 Pin Selectable Options to the
Default Configuration
Added new section.
Revision 1.3
10-31-03
10
Figure 2.1 - Block Diagram
Added default configuration to diagram.
Revision 1.3
10-31-03
19
7.4 Internal Configuration Select
Section is updated.
Revision 1.3
10-31-03
24
8.1.2 Internal Default Configuration
Section is updated.
Revision 1.3
10-31-03
27
Table 8.6 - Default Configuration
Values
Table added.
Revision 1.3
10-31-03
23
Chapter 8 Implementation Notes
Modified first paragraph.
Revision 1.2
08-04-03
28
Table 8.7 - Time Values to
Configure from SMBus
Values added to MAX column:
T2 – 32 ns
T4 – 70 ns
Revision 1.2
08-04-03



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