USB2502-AEZG Standard Microsystems (SMSC), USB2502-AEZG Datasheet - Page 22

• Manufacturer Part Number: USB2502-AEZG
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2502-AEZG

• Lead Free Status / RoHS Status: Compliant

Revision 2.3 (08-27-07)
5.2.3.6
5.2.3.7
5.2.3.8
NUMBER
NUMBER
NUMBER
NUMBER
BIT
BIT
BIT
BIT
5:4
2:0
7:0
7:0
7:0
3
EEPROM Offset 8(h) - Non-Removable Device
EEPROM Offset 9(h) - Port Disable For Self Powered Operation
EEPROM Offset A(h) - Port Disable For Bus Powered Operation
PORT_DIS_SP
PORT_DIS_BP
COMPOUND
NR_DEVICE
OC_TIMER
BIT NAME
BIT NAME
BIT NAME
BIT NAME
Reserved
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.
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’.
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’
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’
DATASHEET
22
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
2-Port USB 2.0 Hub Controller
SMSC USB2502
Datasheet