USB2507-ADT(2006) Ver la hoja de datos (PDF) - SMSC -> Microchip
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USB2507-ADT Datasheet PDF : 44 Pages
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Integrated USB 2.0 Compatible 7-Port Hub
Datasheet
Table 5.1 User-Defined Descriptor Data (continued)
FIELD
BYTE
MSB:
LSB
SIZE
(BYTES)
DEFAULT
CFG
SELF
(HEX)
DEFAULT
CFG
BUS
(HEX)
DESCRIPTION
Hub Controller
E
1
64
64
Max Current (expressed in 2mA units).
Max Current
Bus-Powered
Power-On
F
1
32
32
Time until power is stable.
Time
5.2.3.1 EEPROM Offset 1:0(h) - Vendor ID
BIT
NUMBER
15:8
7:0
BIT NAME
VID_MSB
VID_LSB
DESCRIPTION
Most Significant Byte of the Vendor ID.
Least Significant Byte of the Vendor ID.
5.2.3.2 EEPROM Offset 3:2(h) - Product ID
BIT
NUMBER
15:8
7:0
BIT NAME
PID_MSB
PID_LSB
DESCRIPTION
Most Significant Byte of the Product ID.
Least Significant Byte of the Product ID.
5.2.3.3 EEPROM Offset 5:4(h) - Device ID
BIT
NUMBER
15:8
7:0
BIT NAME
DID_MSB
DID_LSB
DESCRIPTION
Most Significant Byte of the Device ID.
Least Significant Byte of the Device ID.
5.2.3.4 EEPROM Offset 6(h) - CONFIG_BYTE_1
BIT
NUMBER
7
6
BIT NAME
SELF_BUS_PWR
PORT_IND
DESCRIPTION
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.
Revision 2.1 (12-06-06)
20
DATASHEET
SMSC USB2507
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