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Our Solution, Your Success!

Enabling SuperSpeed+ USB and Beyond

EOL Products

EOL Products

VL700 - Super Speed USB 3.0 to SATA 3Gb/s Bridge Controller

EOL Products

Description


 
VIA Lab’s VL700 is a high performance, single chip USB 3.0 to SATA 3Gb/s bridge controller designed for new generation external storage devices that connecting Hard Disk Drive (HDD), Solid-State Drive (SSD), and Optical Disc Drive (ODD). Its integrated in-house USB PHY enables VL700 to run in USB Super-Speed, High-Speed, and Full-Speed modes. Supporting USB mass storage class Bulk-Only Transport (BOT), VL700 based devices can work on Windows 7, Vista, XP, 2003/2000/ME, Mac OS X and various Linux kernels without additional driver. Besides Bulk-Only Transport, VL700 also support USB Attached SCSI Protocol (UASP) that allowing mass storage command queuing and out of order data transfers to further enhance read/write performance. Its integrated in-house SATA 3Gb/s host controller can work with all SATA based storage devices and can connect at either SATA 3Gb/s or 1.5Gb/s automatically.

Built-in all required voltage regulators, highly integrated VL700 work perfectly with single power input from USB 5V bus power to save customer BOM cost. Several GPIO pins are available for push button, LED operations, device power down control, and other special usage. The SPI interface can support external EEPROM/Flash for firmware upgrades or additional software enhancements.

Block Diagram

Key Features

  • Super-Speed USB (5Gb/s) and High-Speed USB (480Mb/s)
    - Compliant to Universal Serial Bus 3.0 Specification Revision 1.0
    - Compliant to Universal Serial Bus Specification Revision 2.0
    - Mass Storage Class Bulk-Only Transport (BOT)
    - Integrated in-house Super-Speed PHY and USB 2.0 PHY
  • Serial ATA 3Gb/s and 1.5Gb/s
    - Compliant to Serial ATA Specification Revision 2.6
    - Integrated in-house SATA 3Gb/s PHY
    - RBC command conversion for ATA device
    - MMC-2 command pass-through to ATAPI
    - Support 48-bit LBA
    - Support multiple LUN
  • Fast 8051 Macro cell 80C32-Compatible Microcontroller
    - Standard 1T 8051 instruction set
  • Built-in Linear Voltage Regulators
    - 5.0V to 3.3V
    - 3.3V to 1.2V
  • GPIOs for Special Function Usage
    - 9 GPIOs for special usage
    - 2 dedicated LED indicators
  • Misc
    - Support device power down function
    - Support external SPI flash for firmware upgrade
  • Software
    - Support Microsoft Windows 7, Vista, XP, 2003, 2000, and ME
    - Support Mac OS 10.X
    - Support various Linux kernels