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.

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