USB2502-AEZG View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'USB2502-AEZG' PDF : 44 Pages View PDF
2-Port USB 2.0 Hub Controller
Datasheet
BIT
NUMBER
5:4
3
2:0
BIT NAME
OC_TIMER
COMPOUND
Reserved
DESCRIPTION
OverCurrent Timer: Over Current Timer delay.
00 = 0.1ms
01 = 2ms (Default)
10 = 4ms
11 = 6ms
Compound Device: Designates if Hub is part of a compound device.
0 = No. (Default)
1 = Yes, Hub is part of a compound device.
Reserved.
5.2.3.6 EEPROM Offset 8(h) - Non-Removable Device
BIT
NUMBER
7:0
BIT NAME
NR_DEVICE
DESCRIPTION
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’.
5.2.3.7 EEPROM Offset 9(h) - Port Disable For Self Powered Operation
BIT
NUMBER
7:0
BIT NAME
PORT_DIS_SP
DESCRIPTION
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’
5.2.3.8 EEPROM Offset A(h) - Port Disable For Bus Powered Operation
BIT
NUMBER
7:0
BIT NAME
PORT_DIS_BP
DESCRIPTION
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’
Revision 2.3 (08-27-07)
22
DATASHEET
SMSC USB2502
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