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VIA Lab’s VL715 is a high performance, low power single chip USB 3.1 to SATA 6Gb/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 3.1 PHY enables VL715 to run in USB SuperSpeedPlus, Super-Speed, High-Speed, and Full-Speed modes. Supporting USB mass storage class Bulk-Only Transport (BOT), VL715 based devices can work on Windows 8, Windows 7, Vista, XP, Mac OS X and various Linux kernels without additional driver. Besides Bulk-Only Transport, VL715 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 6Gb/s host controller can work with all SATA based storage devices and can connect at SATA 6Gb/s, SATA 3Gb/s, or SATA 1.5Gb/s automatically. Built-in all required linear and switching voltage regulators, highly integrated VL715 work perfectly with single power input from USB 5V bus power to save customer BOM cost. 7 GPIO pins are available for push button, operation LEDs, device power down control, and other special usage. The SPI interface can support external flash for firmware upgrades or additional software enhancements. VL715 is pin to pin compatible to its predecessor VL711 which can keep using the same PCB design. |