Controller Highlights:
 Fully compatible with USB Specification Version 2.0 & 1.1
 Support USB HID transport: endpoint 3
 High speed 480Mbit/second supporting
 Full speed 12Mbit/second supporting
 Support one CONTROL transfer, one INTERRUPT transfer and two BULK transfer
 Support four Endpoints
 Support In-System Programming through USB Port

Physical Characteristics: 
 Operating Voltage: 2.7~3.6V
 Working Frequency: 12MHz

Nand Flash Support: 
 Maximum Capacity up to 64GB
 Support SLC / MLC 2k/4k page
 Build-in hardware ECC circuit
 Support 1.8V and 3.3V Flash I/O

Others Features: 
 Support USB power saving mode
 Support Data Payload