The TUSB9261-Q1 is an ARM cortex M3 microcontroller based Universal Serial Bus (USB) 3.0
to Serial ATA (SATA) bridge. It provides the necessary hardware and firmware to implement a USB
Attached SCSI Protocol (UASP) compliant mass storage device suitable for bridging SATA compatible
hard disk drives (HDD) and solid state disk drives (SSD) to a USB 3.0 bus. The firmware also
implements the mass storage class bulk-only transport (BOT) for bridging optical drives and other
compatible SATA devices to the USB bus. In addition to UASP and BOT support,a USB human interface
device (HID) interfaces is supported for control of the general purpose input/ouput (GPIO). The
SATA interface supports gen1 (1.5-Gbps) and gen2 (3.0-Gbps) for cable lengths up to 2 meters.
The device is available in a 64-pin HTQFP package and is designed for operation over the
industrial temperature range of 40°C to 85°C.
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