Overview
The TUSB7340IRKMR is a SuperSpeed USB 3.0 4-port xHCI (Extensible Host Controller Interface) host controller produced by Texas Instruments. This component is designed to provide high-speed USB connectivity and is optimized for various server and high-performance computing applications. It interfaces with the host system through a PCIe x1 Gen 2 interface, supporting SuperSpeed, high-speed, full-speed, and low-speed connections on its downstream USB ports.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| USB Port Count | 4 | |
| Interface | PCIe x1 Gen 2 | |
| Package Type | 100-pin RKM (WQFN-MR) | |
| Supply Voltage (VDD33) | 3.0 to 3.6 | V |
| Supply Voltage (VDDA_3P3) | 3.0 to 3.6 | V |
| Supply Voltage (VDD11) | 1.045 to 1.21 | V |
| Operating Temperature Range | 0 to 70°C (Industrial: -40 to 85°C) | °C |
| Operating Junction Temperature Range | 0 to 105°C (Industrial: -40 to 105°C) | °C |
Key Features
- USB 3.0-compliant xHCI host controller
- Supports up to four downstream ports, each independently configurable for transmit swing, de-emphasis, and equalization settings
- Independent power control and overcurrent detection for each downstream port
- No external flash required for default configuration; optional serial EEPROM for custom configuration
- Internal spread spectrum generation and low-cost crystal or oscillator support
- Best-in-class adaptive receiver equalizer design
Applications
- Rack server, microserver, and tower server
- High-performance computing
- Storage area network (SAN) and host bus adapter (HBA) card
- Desktop PC or motherboard
Q & A
- What is the TUSB7340IRKMR?
The TUSB7340IRKMR is a SuperSpeed USB 3.0 4-port xHCI host controller produced by Texas Instruments. - How many USB ports does the TUSB7340IRKMR support?
The TUSB7340IRKMR supports up to four downstream USB ports. - What interface does the TUSB7340IRKMR use to connect to the host system?
The TUSB7340IRKMR interfaces with the host system through a PCIe x1 Gen 2 interface. - What are the supply voltage ranges for the TUSB7340IRKMR?
The supply voltage ranges are 3.0 to 3.6 V for VDD33 and VDDA_3P3, and 1.045 to 1.21 V for VDD11. - Does the TUSB7340IRKMR require external flash for its default configuration?
No, the TUSB7340IRKMR does not require external flash for its default configuration. - What are some key features of the TUSB7340IRKMR?
Key features include independent power control and overcurrent detection for each port, internal spread spectrum generation, and best-in-class adaptive receiver equalizer design. - What are the typical applications of the TUSB7340IRKMR?
Typical applications include rack servers, microservers, tower servers, high-performance computing, storage area networks (SAN), host bus adapter (HBA) cards, and desktop PCs or motherboards. - What is the operating temperature range for the TUSB7340IRKMR?
The operating temperature range is 0 to 70°C, with an industrial version ranging from -40 to 85°C. - Can the TUSB7340IRKMR be configured for custom settings?
Yes, the TUSB7340IRKMR supports optional serial EEPROM for custom configuration. - What kind of package does the TUSB7340IRKMR come in?
The TUSB7340IRKMR comes in a 100-pin RKM (WQFN-MR) package.
