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Philips Unveils Hi-Speed USB Host Controllers with Peripheral and On-the-Go Support
Posted Feb 13, 2004 Print Version     Page 1of 1
  

Royal Philips Electronics has announced Hi-Speed Universal Serial Bus (USB) host controllers for embedded systems. The two new devices are the ISP1760 controller, a Hi-Speed USB host controller, and the ISP1761 controller, which is a single-chip Hi-Speed USB Host and Peripheral controller with USB On-the-Go (OTG) support. They feature high throughput and low power consumption, enabling the bandwidth offered in the USB 2.0 specification at 480 Megabits per second (Mbps). The new Philips ISP1760 host controller chip is designed for set-top boxes (STBs), digital televisions (DTVs), DVD recorders, and other consumer products to create a high-speed USB connection to PC peripherals such as printers, hard disk drives, memory cards, or scanners.

The single-chip ISP1761 controller includes Hi-Speed capability for both the device and host function. It is OTG-capable and provides for point-to-point communication between portable devices such as mobile handsets, personal digital assistants (PDAs), digital still cameras (DSCs), digital video cameras (DVCs), and MP3 players. In addition, the ISP1761 can establish itself as a USB host. This means information from a PC in the office could be downloaded onto an OTG-equipped PDA, then the PDA could be taken on the road and serve as the host to support printing, or music download to another device. The ISP1761 family features a power-optimized architecture for low power consumption in both operating and suspend modes. A hybrid power-down mode allows the USB devices to be powered from both the USB cable and the system power supply. When this power reallocation is utilized, the power consumption of the ISP1761 or ISP1760 from the board supply is reduced by over 40 percent.

The ISP1760 Hi-Speed host controller is priced at $4.90 at quantities of 100,000 units, while the ISP1761 host/peripheral controller is priced at US $5.90 in quantities of 100,000 units. Both semiconductor solutions will be sampling in February 2004. The ISP176x Intel XScale/Linux reference kit will be available in Q1 2004 and the ISP176x PCI reference kit will be available in Q2 2004.

www.philips.com

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