USB2512BT/M2

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The USB2512BT/M2 is an interface controller that provides full-speed USB 2.0 connectivity in a compact BGA package. It is primarily used in the design of embedded host systems, such as IP set-top boxes and industrial applications. The controller is also suitable for desktop PC applications. This article will discuss the application fields and working principle of USB2512BT/M2.

Application Field

The USB2512BT/M2 is designed to be a low-cost interface controller designed specifically for embedded applications. It is very well suited for use in embedded host systems such as set-top-boxes and industrial applications. The controller offers a wide range of features, including full-speed USB 2.0 connectivity, integrated PHY, and integrated analog power regulation. It also supports various controller-side flow control protocols, such as isochronous transfers, bulk IN/OUT transfers, and inbound/perimeter DMA buffers.

The USB2512BT/M2 is capable of routing multiple endpoints, including high-speed and low-speed active USB 2.0 devices, and supports multiple voltage readings, wakeup interrupt and GPIO. Additionally, the controller is also able to support multiple data rates, including x1, x2, and x3. Furthermore, the controller is able to generate suspend/resume events, and power up to two endpoints simultaneously.

In addition to its embedded applications, the USB2512BT/M2 is also suitable for use in desktop PCs and other stationary applications. Its low-voltage and power consumption design, small package size, and low-cost make it attractive for desktop applications.

Working Principle

The USB2512BT/M2 is an all-in-one interface controller, combining a dedicated USB controller, physical layer (PHY), analog power regulation, and CPU interface design in a single package. The USB controller manages the data paths between the USB device and the host system. It accepts data from the device and sends it to the host system, as well as sending data from the host system to the USB device. The PHY layer is responsible for providing physical connectivity between the two systems, as well as error detection and correction.

The controller also features integrated analog power regulation and on-chip CPU interface. The analog power regulation circuit includes power termination, voltage monitoring, and on-chip voltage conversion. This makes it easy to configure the controller to different systems without the need for external components. The controller\'s CPU interface supports a wide range of processors, including ARM and x86.

The USB2512BT/M2 is also designed to minimize power consumption. It supports various power-saving modes, including dynamic clock gating and system-level wakeup. Additionally, the controller also supports various S3 wakeup states, such as deep sleep and light sleep. This allows the system to reduce power consumption when it is not being used.

In summary, the USB2512BT/M2 is an all-in-one interface controller that provides USB 2.0 connectivity in a compact BGA package. It is suitable for use in both embedded and desktop applications, and features low power consumption and integrated power regulation. Additionally, the controller supports a wide range of processors and can be configured to different systems without the need for external components.

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