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USB2502-HT 数据表(PDF) 20 Page - SMSC Corporation

部件名 USB2502-HT
功能描述  2-Port USB 2.0 Hub Controller
PDF  44 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB2502-HT 数据表(HTML) 20 Page - SMSC Corporation

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2-Port USB 2.0 Hub Controller
Datasheet
Revision 2.1 (12-06-06)
20
SMSC USB2502
DATASHEET
5.2.3.1
EEPROM Offset 1:0(h) - Vendor ID
5.2.3.2
EEPROM Offset 3:2(h) - Product ID
Config Data
Byte 1
6
1
88
0C
Configuration data byte #1 for Hub options.
Config Data
Byte 2
7
1
90
90
Configuration data byte #2 for Hub options.
Non
Removable
Device
8
1
00
00
Defines the ports that contain attached
devices (this is used only when Hub is part of
a compound device).
Port Disable
Self-Powered
9
1
00
00
Selects the ports that will be permanently
disabled
Port Disable
Bus-Powered
A
1
00
00
Selects the ports that will be permanently
disabled
Max Power
Self-Powered
B
1
01
01
Max Current for this configuration (expressed
in 2mA units).
Max Power
Bus-Powered
C
1
64
64
Max Current for this configuration (expressed
in 2mA units).
Hub Controller
Max Current
Self-Powered
D
1
01
01
Max Current (expressed in 2mA units).
Hub Controller
Max Current
Bus-Powered
E
1
64
64
Max Current (expressed in 2mA units).
Power-On
Time
F
1
32
32
Time until power is stable.
BIT
NUMBER
BIT NAME
DESCRIPTION
15:8
VID_MSB
Most Significant Byte of the Vendor ID.
7:0
VID_LSB
Least Significant Byte of the Vendor ID.
BIT
NUMBER
BIT NAME
DESCRIPTION
15:8
PID_MSB
Most Significant Byte of the Product ID.
7:0
PID_LSB
Least Significant Byte of the Product ID.
Table 5.1 User-Defined Descriptor Data (continued)
FIELD
BYTE
MSB:
LSB
SIZE
(BYTES)
DEFAULT
CFG
SELF
(HEX)
DEFAULT
CFG
BUS
(HEX)
DESCRIPTION



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