The PL-2313 USB-to-Dual Serial Bridge Controller is a low-cost, high-performance, single-chip USB to Dual Serial port controller IC. It operates as a bridge, and provides single and easy connectivity between one USB port and two serial ports. Each Serial port can be independently configured into various synchronous and asynchronous interfaces. Users will have option to execute two serial devices at the same time. The PL-2313 is designed to be compliant with a variety of applications, including COM port replicater, handy phone adaptor, and other devices with serial ports. As such, the PL-2313 is ideally suited for many peripherals like cellular phone, digital camera, modem or ISDN terminal adapters, and etc.