TUSB7320

TUSB7320, TUSB7340 SLLSE76N – MARCH 2011 – REVISED AUGUST 2022 TUSB73x0 USB 3.0 xHCI Host Controller 1 Features USB 3.0-Compliant xHCI host controller – PCIe x1 Gen2 interface – Four downstream ports Two or four downstream ports Each downstream port – May be independently enabled or disabled – Has adjustments for transmit swing, de- emphasis, and equalization settings – May be marked as removable or nonremovable – Has independent power control and overcurrent detection Requires no external flash for default configuration – Optional serial EEPROM for custom configuration Internal spread spectrum generation – Low-cost crystal or oscillator support Best-in-class adaptive receiver equalizer design 2 Applications Rack server, microserver, and tower server High performance computing Storage area network (SAN) and host bus adapter (HBA) card Desktop PC or motherboard 3 Description The TUSB7320 supports up to two downstream ports. The TUSB7340 is a USB 3.0-compliant xHCI host controller that supports up to four downstream ports. Both parts are available in a pin-compatible 100-pin RKM package. For the remainder of this document, the name TUSB73x0 is used to reference both the TUSB7320 and the TUSB7340. The TUSB73x0 interfaces to the host system through a PCIe x1 Gen 2 interface and provides SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream USB ports. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TUSB7320 TUSB7340 ...