USB2507 SMSC Corporation, USB2507 Datasheet - Page 20

• Manufacturer Part Number: USB2507
• Description: Integrated USB 2.0 Compatible 7-Port Hub
• Manufacturer: SMSC Corporation

Revision 2.1 (12-06-06)
5.2.3.1
5.2.3.2
5.2.3.3
5.2.3.4
Hub Controller
Max Current
Bus-Powered
Power-On
Time
NUMBER
NUMBER
NUMBER
NUMBER
15:8
15:8
15:8
BIT
BIT
BIT
BIT
7:0
7:0
7:0
FIELD
7
6
EEPROM Offset 1:0(h) - Vendor ID
EEPROM Offset 3:2(h) - Product ID
EEPROM Offset 5:4(h) - Device ID
EEPROM Offset 6(h) - CONFIG_BYTE_1
SELF_BUS_PWR
BIT NAME
BYTE
PORT_IND
MSB:
VID_MSB
BIT NAME
BIT NAME
BIT NAME
VID_LSB
LSB
PID_MSB
DID_MSB
PID_LSB
DID_LSB
E
F
(BYTES)
Table 5.1 User-Defined Descriptor Data (continued)
SIZE
1
1
Most Significant Byte of the Vendor ID.
Least Significant Byte of the Vendor ID.
Self or Bus Power: Selects between Self- and Bus-Powered operation.
0 = Bus-Powered operation. (BUS Default)
1 = Self-Powered operation. (SELF Default)
Note: If Dynamic Power Switching is enabled, this bit is ignored and the
SELF_PWR pin is used to determine if the hub is operating from self or bus
power.
Port Indicator Support: Indicates implementation of LED indicators
0 = No LED indicators.
1 = LED indicators.
Most Significant Byte of the Product ID.
Most Significant Byte of the Device ID.
Least Significant Byte of the Product ID.
Least Significant Byte of the Device ID.
64
32
DEFAULT
(HEX)
SELF
CFG
DATASHEET
64
32
DEFAULT
20
(HEX)
CFG
BUS
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
Max Current (expressed in 2mA units).
Time until power is stable.
Integrated USB 2.0 Compatible 7-Port Hub
DESCRIPTION
SMSC USB2507
Datasheet