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Home arrow Blog arrow Fujistu started the USB 3.0 battle
 
 
Fujistu started the USB 3.0 battle PDF Print E-mail
Written by Administrator   

Fujitsu Now Shipping USB 3.0-SATA Bridge IC for PC Peripherals Supporting SuperSpeed USB 3.0

MB86C30A incorporates USB and SATA signal communication control circuits, protocol and command control circuits with a high-speed encryption/decryption engine on a single device

Fujitsu Microelectronics America, Inc. (FMA) is now shipping its first generation USB 3.0-Serial ATA (SATA) bridge IC, built with Fujitsu’s own physical layer device (PHY). The new MB86C30A supports the ultra-fast 5Gbps maximum data-transfer rate of USB 3.0, and incorporates an encryption/decryption engine. Samples are being built using Fujitsu’s 65-nanometer low-power process technology, and are available now.

Compared with USB 2.0 connections, the MB86C30A bridge IC provides an order of magnitude increase in data transfer rates from external storage devices such as hard disk drives to PCs. The new bridge IC incorporates on a single chip the USB communication control circuits, SATA communication control circuits, and protocol control and command control circuits. These circuits are required to construct an external USB storage device and to realize 5Gbps data transfer to a host PC. (For an example of a system using the MB86C30A, visit this URL: http://www.fujitsu.com/downloads/MICRO/fma/pdf/USB30_SysEx.pdf.)

The MB86C30A IC also contains an embedded Advanced Encryption Standard (AES engine to protect confidential data from being stolen, unintentionally leaked or lost, and to protect data following the disposal of storage devices. Hardware encryption does not burden the CPU of the host PC, and provides optimal protection for data. The encryption/decryption engine enables data to be easily encrypted for secure storage in external devices such as hard disk drives without impairing the performance of USB 3.0.

“The new USB 3.0-SATA bridge IC provides customers with an innovative, reliable, optimized chip design in a small package. Pricing is competitive because we are using our own PHY and process technology,” said Davy Yoshida, director of business development of the Embedded Platform Solutions business group of Fujitsu Microelectronics America. “We expect our chip to be embedded in devices to be released by the end of this year.”

“Fujitsu has applied its extensive expertise in low-power CMOS technologies for high-speed interfaces including Fast Ethernet, Gigabit Ethernet, PCI-express, SATA and IEEE 1394. This IC is the first in the MB86C30 series, which was jointly developed with Fujitsu Laboratories Limited, utilizing their high-speed serial interface technologies, and Fujitsu LSI Solution Limited. Fujitsu Microelectronics plans to strengthen and expand its lineup of USB 3.0 standard products for storage devices.”

Features Full USB 3.0 Performance with Encryption Capabilities

Today, PCs and audio-visual equipment handle an expanding volume of data from digital photos to audio and video files, requiring storage devices to have increased volumes and speeds. The USB 2.0 interface, which is used widely in external hard drives and memory sticks, has had a maximum data transfer rate of 480Mbps. To provide faster speeds for reading and writing high volumes of data the USB 3.0 specification was ratified in November 2008. USB 3.0 supplies as much as 10 times the data transfer rate of USB 2.0, along with improved protocol efficiency and power management techniques. The maximum transfer rate of 5Gbps of USB 3.0 allows 10 to 30 GBytes of video data to be copied to a 3.5-inch hard disk drive in one-third to one-fourth the time USB 2.0 needs.

The MB86C30A bridge IC supports two AES operation modes: Cipher Block Chaining (CBC), a mode for encrypting block data, and XTS, the XEX encryption mode with tweak and ciphertext stealing. Both modes are ideal for hard disks in terms of security, strength and speed of encryption/decryption. Three key lengths are supported – 128bit, 192bit and 256bit. High-speed encryption and decryption processing at a maximum of 300 MByte/sec. provides throughput without impairing the performance of USB 3.0.

The Fujitsu MB86C30A USB 3.0 external storage solution is a bridge IC that connects USB 3.0 and ATA/ATAPI devices. It delivers super-high-speed data transfer of up to 5Gbps between the host PC and SATA storage devices such as HDDs, SSDs, DVDs and CDs. The IC complies with Universal Serial Bus Specification 3.0 Revision 1.0 and is backward compatible with Universal Serial Bus Specification Revision 2.0. The MB86C30A bridge IC integrates SATA, USB links, PHYs, a high-performance 32-bit RISC processor, a hardwired encryption block, SRAM, and common interfaces to communicate and respond to requests from the USB host.

The Fujitsu MB86C30A features low power consumption and high-speed encryption hardware. In addition, the device supports both GPIO for design flexibility and SPI for interfacing to offchip serial Flash ROM.

Applications

USB3.0 external storage application using SATA devices:

  • HDD with encryption function
  • SSD with encryption function
  • HDD
  • SSD
  • Blu-ray
  • DVD
  • CD

Features

  • SuperSpeed (5Gbps) and High-Speed (480Mbps)
  • Mass Storage Class Bulk-Only Transport
  • Supports HID Class
  • SATA Gen2i (3Gbps) and Gen1i (1.5Gbps)
  • Supports ATA/ATAPI devices
  • Supports ATA command pass through function
  • Supports 2TB over HDD
  • Integrates a high performance 32bit RISC MPU
  • Supports customized functions: VID/PID, etc.
  • Integrates high speed encryption HW: AES
  • Supports challenge and response authentication
  • Supports GPIO function
  • Supports SPI for Serial Flash ROM
  • Embedded spread spectrum clock generator (SSCG) for SuperSpeed and EMI reduction
  • The option of using only one external crystal
  • Supply voltage 1.2V / 3.3V
  • 64-pin LQFP package
  • 65nm CMOS technology
  • Pb-free (RoHS)

 

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