SLLSE76Q March 2011 – March 2024 TUSB7320 , TUSB7340
PRODUCTION DATA
The host controller provides a two-wire serial-bus interface to load subsystem identification information and specific register defaults from an external EEPROM. The serial-bus interface signals include SDA and SCL. The use of an external EEPROM is optional. The TUSB73x0 will function with the default settings. For motherboard down applications, BIOS can be used to set all of the options available on the TUSB73x0.
On a PCIe Add-in Card, an EEPROM is only needed if any of the following is true: