USB 3.0 xHCI Host Controller
TUSB7320, TUSB7340
SLLSE76N – MARCH 2011 – REVISED AUGUST 2022
TUSB73x0 USB 3.0 xHCI Host Controller
1 Features
• USB 3...
Description
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
...
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