Data Sheet
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 non-removable
- 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
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
| PART NUMBER(1) | USB PORT COUNT | PACKAGE |
|---|---|---|
| TUSB7320 | 2-port | (WQFN-MR, 100) |
| TUSB7340 | 4-port |
(1) For all available packages, see the orderable addendum at the
end of the data sheet.
Typical Application