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General Description

which uses UMC process technology. It has higher performance, lower power consumption and supports USB1.1,UBS2.0, and USB3.1 GEN-1. Product has single channel high speed flash interface with BCH error correction code, and support all kinds of 3D NAND type flash,includes TLC, MLC.


Fully compatible with USB standard specification 1.1, 2.0, and 3.1 GEN-1.

  • Support Full-speed mode
  • Support High-speed mode
  • Support Super-speed mode
  • Support Suspend power saving mode
  • Flash interface support:
    • UP to 4 flash chip selection and 8-bit flash IO access
    • Support 3.3V flash with 3.3V or 1.8V IO
  • Flash memory support:
    • Support ECC function to correct up to 7x-bits data errors per 1KB data automatically
    • Support MLC/TLC NAND type flash
    • Support Toggle Mode flash
    • Support ONFI 2.3 flash
    • Support 3D NAND
  • Embedded crystal and PWM offers lower BOM cost
  • Low power consumption
  • Enhanced ESD design
  • Manufacturing utility ready
  • Complies with USB v3.1 Gen-1, USB Mass Storage Class and Bulk-Only Transport
  • Support Windows 2000/XP/Vista/7/8/8.1/10 , Mac 9.x above, and Linux kernel 2.4 above
  • Supports configurable serial number during mass production
  • Support Auto Run feature
  • Support writable and read-only mode
  • Support partition disk feature