CY7C68301B-56LFXC

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CY7C68301B-56LFXC is a highly integrated USB Controller designed for eliminating the need for multiple external components. It is quite suitable for low-cost, low pin-count, low-power embedded systems with USB connectivity. This device integrates a Host Controller and a USB Transceiver and contains enough resources to perform the basic functions of controlling the data flow in and out of the USb port. It also contains the necessary circuitry for implementing low-speed, full-speed and high-speed USB 2.0 plus the Universal H—Bus interface.

Application Field

CY7C68301B-56LFXC is suitable for number of applications where USB connectivity is required. This includes low-cost embedded systems, personal digital assistants, scanners and other data acquisition applications where the low power, low pin-count, low cost requirements and easy implementation are key factors. Additionally, the device can be used for Network Interface Cards, Bluetooth and mobile broadband dongles, speakers, web cams, VoIP phones and other communication device applications.

Working Principle

The CY7C68301B-56LFXC operates with a simple, three-layer bus protocol that defines the relationship between the USB transceiver, the Host controller and the USB PHY. At the software-level, the Host Controller is programmed to generate the bus signals according to the USB 2.0 protocol. The Transceiver is responsible for physical layer-level operations such as encoding and decoding the data, converting electrical signals and providing power between the USB connector and the device. The PHY is responsible for generating the high-speed clock signals used to transfer data between the two layers.

In order to maintain low-power operation and to ensure reliable operation, the CY7C68301B-56LFXC incorporates a power management module that regulates power consumption and monitors current and voltage levels. This module can shutdown the device completely in periods of power inactivity. Additionally, the device includes an integrated OTP memory that is used to store information such as the device’s configuration and user-definable data.

In order to ensure the desired level of performance and data transfer rates, the CY7C68301B-56LFXC is designed to use advanced session-layer link management algorithms. This enables the device to support low-speed, full-speed and high-speed USB 2.0 related operation. In order to ensure the robust operation of the device, the advanced link management system can automatically recover from packet errors, timeouts, timeout errors and data errors.

In conclusion, the CY7C68301B-56LFXC is an impressive, highly integrated USB interface controller. It is suitable for a wide range of applications where USB connectivity is essential. It has the capability to support low-speed, full-speed and high-speed USB 2.0 operation, plus it includes advanced session-layer link management algorithms to ensure reliability and robustness. Additionally, the device incorporates a power management module to ensure low-power operation and an integrated OTP memory to store data and configuration information.

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