SuperSpeed USB 3.0 4–Port xHCI Host Controller - TUSB7340

TUSB7340 (NRND)

SuperSpeed USB 3.0 4–Port xHCI Host Controller

 

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.

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

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