STIR4210 Overview
The SigmaTel STIR4210 and STIR4220 are low power, USB 2.0 Hi-Speed IrDA Bridge Controller integrated circuits for enabling USB IrDA munication solutions. The STIR4210/STIR4220 connect directly to the USB Bus and provide all functionality necessary between the USB 2.0 and an IR transceiver. A USB IR munication subsystem can be implemented by adding an IR transceiver, a 24 MHz crystal, and a few passive ponents for...