µPD720180A DWA connects Wired USB Peripherals to Wireless USB Host - NEC

µPD720180A is a new NEC’s DWA (Device Wire Adapter) IC, which enables wireless communication between a Wireless USB Host/PC and external wired USB peripherals such as printers, storage, home appliances, and other devices supporting USB 2.0. Wireless USB, just like as USB 2.0, has maximum speed of 480 Mbps. Wireless USB enables wireless communication up to a range of 10 meters.

NEC uPD720180A Device Wire Adapter - Block Diagram

Compatible with the existing uPD720180, the new uPD720180A DWA chip supports the frequency range of 3-5 GHz and 5-10 GHz. This expanded frequency range is expected to help popularize Wireless USB-based systems by solving some of the limitations of conventional systems. µPD720180A Device Wire Adapter IC allows consumers to associate their devices wirelessly, making it easier to get systems up and running.

NEC μPD720180 complies with the WiMedia MAC specification and wireless universal serial bus specification. The uPD720180 has four wired downstream-ports and one wired upstream-port. The upstream-port and wireless connection are exclusively used.

Features of uPD720180A Device Wire Adapter chip:

• Compliant with wireless universal serial bus specification
  • Supports eight data rates (53.3 Mbps, 80.0 Mbps, 106.7 Mbps, 160 Mbps, 200 Mbps, 320 Mbps, 400 Mbps, 480 Mbps)
  • Supports four data transfer types (control transfer, bulk data transfer, interrupt data transfer, and isochronous data transfer)
  • Supports AES-128 CCM
  • Self beaconing device
• Compliant with wireless USB association model guideline
  • Supports USB cable model association
• Compliant with WiMedia MAC specification
• Compliant with WiMedia MAC-PHY interface specification
• Compliant with USB spec rev 2.0 (data rate 1.5/12/480 Mbps)
• Supports wired-HUB function
• Supports 2-wire serial EEPROM interface
• 30 MHz crystal clock source
• 3.3 V and 1.5 V power supply
• Package: 120-pin plastic TQFP (Fine pitch) (14×14)

NEC uPD720180A Device Wire Adapter - Application example: Wireless USB HUB Box

Sample of µPD720180A Device Wire Adapter chip is available at $10 each. Volume production is expected to begin in October this year.

References:

• http://www.necel.com/news/en/archive/0808/1902.html (press release of NEC uPD720180A Device Wire Adapter chip)
• http://www.necel.com/nesdis/image/S17722EJ1V0PB00.pdf (datasheet of uPD720180A Device Wire Adapter IC, 69KB)