Performed by: Nadav Haklai Noam Rabinovici Instructor: Mike Sumszyk Spring Semester 2010 המעבדה למערכות ספרתיות מהירות High speed digital systems laboratory הטכניון - מכון טכנולוגי לישראל הפקולטה להנדסת חשמל Technion - Israel institute of technology department of Electrical Engineering דו ” ח סיכום פרויקט סמסטריאלי USB 2 SD 1

Abstract המעבדה למערכות ספרתיות מהירות High speed digital systems laboratory 2 Design a prototype for file transfer system. The project Implements a stand alone bridge between USB and SD-Card interfaces. Copy files between USB and SD card devices. Support FAT file systems Fast transfer rates - USB 2.0 Design a platform for future file transfer developments.

System Architecture המעבדה למערכות ספרתיות מהירות High speed digital systems laboratory 3 Stratix III Nios II Soft Processor Avalon Switch Fabric JTAG ISP1761 (USB Controller) USB 2.0 Port PIO Controller On Chip Memory PIO Controller ISP1761 Controller Console SD Card Connector Leds and switches

Software Architecture המעבדה למערכות ספרתיות מהירות High speed digital systems laboratory NIOS II PIO ISP 1761 HAL USB HOST Controller USB Protocol USB mass storage device Driver FAT File System Main Program – User Interface SD-Card Driver Control Layer Files Layer 512 Bytes Blocks Layer Physical Layer

Specification המעבדה למערכות ספרתיות מהירות High speed digital systems laboratory Hardware: DE3 Board – All implemented on the development board 4 Firmware: FPGA – implements NIOS II processor with USB and SD interfaces. Software: Implementation of the USB to SD Card bridge for NIOS II architecture. USB2 Host configuration – Mass storage device driver (Bulk mode) SD Card Driver