USB2514-HZH

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USB2514-HZH Interface and Controllers

USB2514-HZH is a high performance, low power 4-port high-speed USB 2.0 Transceiver Hub Controller (TCHC) device. This device provides four downstream ports with high performance USB functionality and supports data rates of up to 480 Mbps per port. With an enhanced set of features, it supports low power bus speed, suspension and detection for low power application enabling and power/performance optimization. Its uniquely wide power supply range adds power and cost advantages ideal for systems requiring multiple port USB application.

Application Field

USB2514-HZH is specifically designed for a wide range of USB enabled device applications. Examples include peripherals such as keyboards, mice, printers, external modems, scanners, digital cameras, personal media players, and VoIP phones; embedded systems and game consoles; host controllers; digital TV and Set-top boxes; and embedded systems such as industrial controllers and medical instruments.

Working Principle

At its core, the USB2514-HZH utilizes a 32-bit 8042 microcontroller to assist the port control, OTG (On-the-GO) charger detection, LCS (Lowspeed Control Signal), and low power Bus Suspend and Detection features. When connected to a computer, the hub will broadcast a unique signature identifying itself as an USB2514-HZH. This device will then respond to the host on all four ports. It will also execute commands from the host on all four ports as efficiently as possible.

It supports low power bus speed, suspension and detection for low power application enabling and power/performance optimization. Moreover, the USB2514-HZH has a built-in power delivery support for charging battery powered devices, such as mobile phones or tablets. This feature can be used to transfer power from the USB2514-HZH to the connected devices.

The USB2514-HZH provides an integrated slave interface to support PHY (Physical Layer) Independent Protocol (PIP) and link layer (LL) communications. PIP enables the hub to communicate with other devices that are in the same network. LL communication is used to communicate with other low power devices that use standard low-speed USB protocols. Furthermore, the device supports USB On The Go, which is used to connect two devices directly to each other without requiring a PC as an intermediary.

The USB2514-HZH is designed for low power operation and supports power saving modes. This feature allows for power saving during the idle state and when there is no activity on the ports. Power saving modes can be used in connection with USB charging support to provide improved battery life on battery powered devices.

The USB2514-HZH is equipped with four downstream ports that support data rates up to 480 Mbps. Each port has its own dedicated PHY, allowing for high performance USB functionality over each port. This includes features such as Power Delivery, SuperSpeed USB data transfers, and such. The USB2514-HZH also supports multiple transaction translator (TTL) modes, allowing for a wide range of USB bus topologies to be supported.

In addition to the four downstream ports, the USB2514-HZH has an up stream port. This port is used to connect the hub to the host controller. The upstream port supports legacy USB devices, such as keyboards and printers. The upstream port also supports data transfers with data rates up to 480 Mbps.

Conclusion

The USB2514-HZH is a high performance hub controller device that provides four downstream ports with high performance USB functionality and supports data rates up to 480 Mbps. It supports multiple transaction translator modes and is suitable for low power applications. Additionally, this device features a unique power supply range, allowing for more applications while still saving power. This device is an ideal choice for those who require multiple port USB applications.

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