Support USB v2.0 specification and USB Device Class Definition for Mass Storage, Bulk-Transport v1.0

Support CF/MD, SD/MMC, MS/MS PRO/MS ROM/MS Duo AND xD/SMC specification

Support slot-to-slot read/write operation

Support auto-detecting slot with card inserted on Win 2000 without driver.

Support LED for bus activity indication

Work with default driver from Windows ME, Windows XP, and Mac OS X. Windows 98, Windows 2000 are supported by vendor AP (The AP included both win98 and 2000 driver) from Alcor.

Ping-pong FIFO implementation for concurrent bus operation

Support multiple sectors transfer optimize performance

Capable of handing 4 sets of built-in PID, VID and strings to minimize inventory control and improve lead production lead-time

Each slot can be enables/disabled by 5 independent pins to fit all the different card readers combination requirement

Runs at 30MHz, built-in 480 MHz PLL

Built-in 3.3V to 2.5V regulator