USS-344 - Agere Systems

USS-344 Four-Host PCI-to-USB OpenHCL Host Controller

The Agere Systems Inc. USS-344 QuadraBus provides a single-chip four-host PCI-to-Universal Serial Bus (USB) solution. The USS-344 interfaces directly to any 32-bit, 33 MHz PCI bus and is ideal for either onboard applications or add-in card applications. It can easily be configured to communicate in either a 3 V PCI environment or 5 V PCI environment simply b.

Features

I 32-bit, 33 MHz PCI interface compliant with PCI Local Bus Specification Revision 2.2 I Four downstream USB ports I Each USB port dedicated to providing full USB band- width to the attached device I Full compliance with Universal Serial Bus Specifica- tion Revision 1.1 I OpenHCI Open Host Controller Interface Specifica- tion for USB Release 1.0a compatible I Fully compatible with Microsoft Windows 98/95/Win- dows NT
* standard OpenHCI drivers I Fully compatible with Mac† OS 8.5 and 8.6 I Integrated dual-speed USB transceivers I 3 V or 5 V switchable PCI signaling I Low-power mode and wake-up .