Industrial Temperature Rated USB 2.0 High-Speed 4-Port Hub Controller
Datasheet
Table 3.2 SMBus or EEPROM Interface Behavior
36-Pin
QFN
48-Pin
QFN
36-Pin
QFN
48-Pin
QFN
36-Pin
QFN
48-Pin
QFN
36-Pin
QFN
48-Pin
QFN
48-Pin
QFN
48-Pin
QFN
48-Pin
QFN
48-Pin
QFN
CFG_SEL2
N/A
CFG_SEL1
0
0
0
N/A
0
0
0
N/A
1
0
1
N/A
1
0
1
1
0
1
0
1
1
1
1
CFG_SEL0
SMBUS OR EEPROM INTERFACE BEHAVIOR
0
Internal Default Configuration
Strap Options Enabled
0
Port Indicators Not Supported
1
Configured as an SMBus slave for external download
of user-defined descriptors.
SMBus slave address 58 (0101100x)
1
Strap Options Disabled
All Settings Controlled by Registers
0
Internal Default Configuration
Strap Options Enabled
0
Bus Power Operation
LED Mode = USB
1
2-Wire I2C EEPROMS are supported.
Strap Options Disabled
1
All Settings Controlled by Registers
0
Internal Default Configuration
Strap Options Disabled
Dynamic Power Switching Enabled
1
Internal Default Configuration
Strap Options Disabled
Dynamic Power Switching Enabled
LED Mode = USB
0
Internal Default Configuration
Strap Options Disabled
1
Internal Default Configuration
Strap Options Disabled
LED Mode = USB
Ganged Power Switching
Ganged Over-Current Sensing
Notes:
Denotes 48-Pin QFN
Denotes 36-Pin QFN
SMSC USB2514i
15
DATASHEET
Revision 1.98 (11-19-07)