TS3USB221EEVM

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Evaluation and Demonstration Boards and Kits play a major role in the modern engineering and technological industry. The TS3USB221EEVM, or TS3USB221A Evaluation Module kit, is one such product in the range. This kit is part of the USB 2.0 Switch product family from Texas Instruments, and is used for testing, evaluating, and demonstratig the capabilities of the USB 2.0 switch family.

The TS3USB221EEVM is a fully functional USB 2.0 switch evaluation kit that includes two USB 2.0 3-port switches, a main control board, and a mini auxiliary board. The USB ports on the kit are compliant to the USB 2.0 standard and offer full-speed, high-speed, and low-speed support. The device is capable of switching up to three different USB 2.0 3-port channels in order to connect and drive a variety of peripherals.

The main control board houses the control logic of the switch. It supports both direct control via a USB protocol and can be configured with a host processor to enable more advanced features. The main control board supports two 3-port switches with differential signaling and has the option of supporting an external clock source. Additionally, up to four GPIOs are available which can be used for controlling external peripherals.

The mini auxiliary board contains several features such as two GPIO pins which can be used for controlling the USB ports and can also be used for debugging. It also features a power connector for powering the device. Additionally, the auxiliary board also contains a serial port for programming the device.

The TS3USB221EEVM can be used in a variety of applications such as data security, data protection, and in-line switching. It can also be used in applications where switching between multiple USB hosts is required such as in a USB hub. Additionally, the device can also be used in applications where an in-line isolate switch is desired.

The working principle of the TS3USB221EEVM is relatively simple. When it is connected to a USB port, the host initiates a communication with the device using the USB protocol. The control logic on the main board then processes the requests and configures the switch accordingly. The differential signaling signals are then sent to the 3-port USB switches which can then switch the appropriate ports.

In conclusion, the TS3USB221EEVM is a robust, capable evaluation kit that can be used to test, evaluate, and demonstrate the capabilities of the USB 2.0 switch family. Its multiple port, differential signaling, and GPIO pins allow it to support a variety of peripherals. Its simplicity of operation and integration with other devices make it an ideal choice for a range of applications.

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