Oxford Semiconductor Announces USB/FireWire Dual SATA Controller
Oxford Semiconductor announced the first configurable USB/FireWire dual SATA storage controller with encryption - OXUF924DSE.
Bridging between dual SATA disks and USB2.0, FireWire400 and FireWire800 ports, the OXUF924DSE offers real time 128-bit encryption to the Advanced Encryption Standard (AES). Supporting secure token, software password and biometric (fingerprint) sensor encryption authentication methods, the chip provides designers with the flexibility to create multiple storage products from a single hardware platform.
The OXUF924DSE shares a common software base with all other Oxford's USB and FireWire combination storage controllers. In addition, the chip is backed by a comprehensive software development kit, an evaluation board and a selection of encrypted storage reference designs.
Storage methodologies supported by the chipís dual SATA disk interface include disk striping (RAID0), disk mirroring (RAID1) and disk spanning. In striping and spanning modes up to four disks can be managed. The OXUF924DSE features an embedded FireWire PHY interface and Link layer operating at up to 800Mbps and uses hardware acceleration. The IEEE1394b PHY offers backwards compatibility with the IEEE1394a standard. The chip's 480Mbps USB2.0 Link and PHY cater for full and high speed USB operating modes. The interface is backwards compatible with USB1.1 and is supported by an integral 18KB data cache.
The controller is ARM7 processor based and integrates 8KB of closely-coupled RAM, a 1MB external flash interface and 10 GPIOs. A 12Mbits/sec embedded UART is provided for firmware code development and debug, and field upgrades are simple to implement via the FireWire and USB interfaces.
Source: Oxford Semiconductor
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