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USB-Serial Bridge Controllers Integrate Touch Sensing and Battery-Charge Detection

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A family of USB-Serial bridge controllers from Cypress Semiconductor provides dual-configurable serial channels for UART/SPI/I2C communication along with Cypress’ CapSense capacitive touch-sensing technology, enabling flexible design of human interface solutions. Cypress provides proprietary drivers to support multiple operating systems, adding to the design flexibility of the controllers. The family also integrates efficient battery-charge detection compliant to Version 1.2 of the USB-Implementers Forum (USB-IF) Battery Charging specification. Additionally, the USB-Serial controllers boast a low power consumption of 5 uA (standby current).

The new family includes three devices, all of which are certified by the USB-IF. The CY7C65211 and CY7C65215 offer single- and dual-configurable serial channels, respectively, with each capable of UART, I2C and SPI communication. The CY7C65213 provides a low-power USB-to-UART bridge controller. The new controllers target a wide range of applications, including medical equipment, industrial equipment, point-of-sales terminals, USB-to-UART and RS-232 cables, gaming systems, and test and measurement equipment.

Cypress provides a software configuration utility for Windows that enables customers to select from multiple serial interfaces and features to create customized designs. This utility also assists customers in modifying various parameters, such as vendor and product IDs, string descriptors, and GPIO configurations, via the USB interface. USB-Serial integrates programmable memory used to store these configuration details. The utility, drivers and application programming interfaces (APIs) provided by Cypress make it very easy for customers to develop complete solutions with shorter design cycles, resulting in quick time-to-market. All of the new controllers are in production and available today from Cypress and authorized distributors, and the software configuration utility is available for download on the Cypress website. Development kits for these parts are also now available. 

Cypress Semiconductor, San Jose, CA. (408) 943-2600. [www.cypress.com].