Key Features
 Embedded crystal offers lower BOM cost
 1.8V low-power core operation
 Built-in 5V/3.3V and 3.3V/1.8V voltage regulators
 Complete compatibility with USB (Universal Serial
Bus) Specification Rev. 2.0
 Complies with USB Mass Storage Class
Specification Rev. 1.0
 USB Mass Storage Class Bulk-Only Transport
Protocol
 Complies with USB power specifications for buspowered
devices
 Integrated 80C51-compatible, 8-bit
microprocessor with enhanced features
 Supports suspend mode and wake-up resume
 Configurable BCH error control coding (ECC)
 Supports MLC/TLC up to 4 NAND flash devices
 Supports the operating systems: Windows 7,
Windows Vista, Windows XP, Windows 2000,
Windows ME, Windows 98/98SE, Mac OS 9.x and
above, and Linux kernel 2.4 and above
 Supports Windows Vista and Windows 7
ReadyBoost function
 In System Programming (ISP) firmware update
capability
 Supports VID, PID, serial number, and vendor
information updates
 Supports LED indicator to indicate the USB Flash
Disk is in the Ready/Working mode
 Supports “Write Protect” security function to
protect the data in USB Flash Disk
 Available in LQFP/TQFP 48pin and QFN 40pin