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USB2502-HT 数据表(PDF) 22 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) 22 Page - SMSC Corporation

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2-Port USB 2.0 Hub Controller
Datasheet
Revision 2.1 (12-06-06)
22
SMSC USB2502
DATASHEET
5.2.3.6
EEPROM Offset 8(h) - Non-Removable Device
5.2.3.7
EEPROM Offset 9(h) - Port Disable For Self Powered Operation
5.2.3.8
EEPROM Offset A(h) - Port Disable For Bus Powered Operation
5:4
OC_TIMER
OverCurrent Timer: Over Current Timer delay.
00 = 0.1ms
01 = 2ms (Default)
10 = 4ms
11 = 6ms
3
COMPOUND
Compound Device: Designates if Hub is part of a compound device.
0 = No. (Default)
1 = Yes, Hub is part of a compound device.
2:0
Reserved
Reserved.
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
NR_DEVICE
Non-Removable Device: Indicates which port(s) include non-removable devic-
es. ‘0’ = port is removable, ‘1’ = port is non-removable.
Bit 7:3= 0; Reserved
Bit 2= 1; Port 2 non-removable.
Bit 1= 1; Port 1 non removable.
Bit 0 is Reserved, always = ‘0’.
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_SP
Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
Bit 7:3= 0; Reserved
Bit 2= 1; Port 2 is disabled.
Bit 1= 1; Port 1 is disabled.
Bit 0 is Reserved, always = ‘0’
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_BP
Port Disable Bus-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
Bit 7:3= 0; Reserved
Bit 2= 1; Port 2 is disabled.
Bit 1= 1; Port 1 is disabled.
Bit 0 is Reserved, always = ‘0’
BIT
NUMBER
BIT NAME
DESCRIPTION



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