Overview
The TUSB7340RKMR, produced by Texas Instruments, is a SuperSpeed USB 3.0 xHCI (Extensible Host Controller Interface) host controller. This component is designed to support up to four downstream USB ports, making it a versatile solution for various high-performance applications. It interfaces with the host system through a PCIe x1 Gen 2 interface, enabling SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream USB ports.
Key Specifications
| Parameter | Specification |
|---|---|
| USB Port Count | 4 downstream ports |
| Interface | PCIe x1 Gen 2 |
| Package Type | 100-pin RKM (WQFN-MR) |
| USB Compliance | USB 3.0-compliant |
| Power Control | Independent power control and overcurrent detection for each port |
| Configuration | No external flash required for default configuration; optional serial EEPROM for custom configuration |
| Clock Support | Internal spread spectrum generation; low-cost crystal or oscillator support |
| Electrical Characteristics | 3.3-V I/O; 1.8-V DC characteristics for input clock |
Key Features
- USB 3.0-compliant xHCI host controller
- Supports up to four downstream ports, each independently enabled or disabled
- Adjustments for transmit swing, de-emphasis, and equalization settings for each port
- Independent power control and overcurrent detection for each 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 TUSB7340RKMR?
The TUSB7340RKMR is a SuperSpeed USB 3.0 xHCI host controller produced by Texas Instruments. - How many USB ports does it support?
It supports up to four downstream USB ports. - What interface does it use to connect to the host system?
It interfaces with the host system through a PCIe x1 Gen 2 interface. - What is the package type of the TUSB7340RKMR?
The package type is 100-pin RKM (WQFN-MR). - Does it require external flash for configuration?
No, it does not require external flash for default configuration, but an optional serial EEPROM can be used for custom configuration. - What are some key applications of the TUSB7340RKMR?
Key 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 kind of power control does it offer for each port?
It offers independent power control and overcurrent detection for each port. - Does it support spread spectrum generation?
Yes, it supports internal spread spectrum generation. - What is the significance of its adaptive receiver equalizer design?
The adaptive receiver equalizer design is best-in-class, enhancing signal integrity and performance. - Can each downstream port be independently enabled or disabled?
Yes, each downstream port can be independently enabled or disabled.
