RC56SP-USB
RC56SP-USB is INTEGRATED V.90/K56FLEX MODEM DEVICE SETS WITH USB INTERFACE FOR DESKTOP APPLICATIONS manufactured by Unknown Manufacturer.
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
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- All features supported by the RC56D family (see data sheet Order No. MD211) Universal Serial Bus Specification Rev 1.0 pliant 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 plete 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.
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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 plete set of software drivers is provided for Windows 98 and Windows 95 OSR 2.1 support. Sample INF files are also provided.
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