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RC56D-USB Scheda tecnica(PDF) 1 Page - Synaptics Incorporated. |
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RC56D-USB Scheda tecnica(HTML) 1 Page - Synaptics Incorporated. |
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1 / 14 page  'DWD 6KHHW 2UGHU 1R 0' 5HY 'HFHPEHU 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. Hardware A complete accelerator kit implementing the USB solution is offered as “Perth” (AK56-D540). This design consists of the RC56D parallel host interface device set and the R8292 USB Controller Unit (UCU). The R8292 operates with a 12 MHz crystal. A 32K x 8, 150 ns EEPROM is required for USB controller firmware. Additionally, one latch, one transistor, and two bus transceivers are required. The R8292 USB Controller is based on the MCS ®51 microcontroller. It is a hubless USB peripheral controller that supports suspend/resume modes and isochronous/non-isochronous transfers. Firmware Firmware for the R8292 controller is provided in object form, however, vendor specific descriptors can be customized with a supplied utility. Vendor ID, Product ID, Device Release Number, Manufacturer Name, Product Name, and Serial Number can all be modified. Drivers A complete set of software drivers is provided for Windows 98 and Windows 95 OSR 2.1 support. Sample INF files are also provided. 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 |
Codice articolo simile - RC56D-USB |
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Descrizione simile - RC56D-USB |
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