SigmaTel USB 2.0 IrDA Bridge: The SigmaTel STIR4200 is a low cost, low power, USB/IrDA Bridge Controller integrated circuit for enabling IrDA wireless data communications through a standard PC USB port. The STIR4200 directly interfaces to both single path and dual path receive IrDA transceiver module architectures and contains a USB controller, IrDA control-ler, interface logic, and memory buffer for full IrDA 1.3, 4 Mbps data transfer rates.
