Cygnal Unveils USB to UART Bridge Chip for Legacy Systems

9/23/2003 - Cygnal Integrated Products, Inc. a manufacturer of mixed-signal integrated circuits, announced availability of the CP2101 USB-to-UART Bridge Chip. The CP2101 provides USB 2.0 Full Speed to 921.6kBaud UART data transfer in a 5x5mm Micro-Lead Frame Package, with no external components required.

"The CP2101 requires no external crystal, voltage regulator, or EEPROM, providing the smallest available PCB footprint for a USB to UART bridge," said Danny Allred, Cygnal’s Director of Product Marketing. "The CP2101 is an ideal solution for quickly updating legacy UART, RS-232, and RS485 systems with USB connectivity."

The CP2101EK Evaluation Kit, priced at $49, is a complete USB to RS-232 solution that includes a PCB (with schematics and BOM), cables, and royalty free Virtual COM Port device drivers. The CP2101 chips are $2.68 in quantities of 10,000. Both the evaluation kit and chips are available for purchase from Cygnal at

About Cygnal
Founded in March 1999, Cygnal Integrated Products, Inc. of Austin, TX, designs, manufactures and markets integrated-circuit products that integrate world-class analog with high-speed digital and FLASH memory in a single, powerful chip. The combination of mixed-signal integration and in-system programmability offers tangible user benefits through higher component integration, greater design flexibility, faster time-to-market, superior system performance and improved end product differentiation. Cygnal products deliver advanced application solutions expressly designed to address a broad range of markets including communications systems, industrial equipment and consumer products. Technical information is available and orders are accepted at the Company’s e-commerce site at

Cygnal and are trademarks of Cygnal Integrated Products, Inc.

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