The USB2517I-JZX is an ultra fast USB 2.
0 Flash Media Interface IC manufactured by Microchip. It provides direct connectivity between USB 2.0 host systems and Flash media cards or devices, including Secure Digital (SD), MultiMediaCard (MMC), CompactFlash (CF) Type I and Type II, Memory Stick (MS), MS PRO, xD-Picture Card (xD), Picture Card (PC) and SmartMedia (SM). The USB2517I-JZX supports up to eight independent flash media cards, with multiple flash media cards each supported on one USB port. It also supports up to 4- or 8-bit parallel mode for Flash Card applications. In addition, the USB2517I-JZX has integrated fault protection, a single VBUS pin for power to the system, and a DMA Controller for high speed data transfer.