LAN9730 Datasheet, PDF (36/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
4.5
Customized Operation Without EEPROM
The device provides the capability to customize operation without the use of an EEPROM. Descriptor
information and initialization quantities normally fetched from EEPROM and used to initialize
descriptors and elements of the System Control and Status registers may be specified via an alternate
mechanism. This alternate mechanism involves the use of the Descriptor RAM in conjunction with the
Attribute registers and select elements of the System Control and Status registers. The software device
driver orchestrates the process by performing the following actions in the order indicated:
 Initialization of System Control and Status register elements in lieu of EEPROM load
 Attribute register initialization
 Descriptor RAM initialization
 Enable Descriptor RAM and Flag Attribute registers as source
 Inhibit reset of Select System Control and Status register elements
Revision 1.1 (05-13-13)
36
DATASHEET
SMSC LAN9730/LAN9730i