RC56SP-USB

5&'86% ,QWHJUDWHG9.IOH[ 0RGHP'HYLFH6HWVZLWK86%,QWHUIDFHIRU'HVNWRS$SSOLFDWLRQV Introduction The CONEXANT™ RC56D Modem Device Set supports the USB (Universal Serial Bus), as described by the Universal Serial Bus Specification Revision 1.0. USB provides a flexible interconnect between a PC and a wide range of peripherals, such as to a CONEXANT modem device set. The CONEXANT RC56D family devices, in conjunction with the R8292 USB controller provide a complete USB modem solution. The supported modem feature set for the USB modem solution is the same as the standard RC56D parallel host interface device set (see “RC56D and RC336D Integrated V.90/K56flex/V.34 Modem Device Set for Desktop Applications” Data Sheet, Order No. MD211). The modem models, which include the R8292 UCU (USB Controller Unit in 68-PLCC), are listed in Table 1. Features All features supported by the RC56D family (see data sheet Order No. MD211) Universal Serial Bus Specification Rev 1.0 compliant Three function endpoint pairs with corresponding transmit/receive FIFO pairs Automatic transmit/receive FIFO management USB full speed 12Mbps USB low speed 1.5Mbps Reset separation Four LED driver outputs On-chip phase-locked loop (PLL) On-chip USB transceivers 256 bytes on-chip Data RAM Suspend/Resume Vendor specific descriptors Windows 98 support Windows 95 OSR 2.1 support Extension pickup/remote hang-up detection Line-in-use detection Hardware A complete accelerato...