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| PL-2307 USB TO ATAPI-4 Bridge Controller OVERVIEW The PL-2307 integrated circuit provides a high-speed bridge between the Universal Serial Bus (USB) system and ATAPI-4 compliant peripheral devices. It is designed to be a flexible, high performance, and low-cost single-chip solution for USB-to-IDE cable as well as USB ready external "IDE Box" manufacturers. PL-2307 supports most commands and features as defined by ATAPI-4 commands. The user will be able to customize the chip and show their identity through the external serial EEPROM support. The user could also modify the Vendor ID, Product ID, Language ID, manufacturer string, product string, and serial number strings of the final product. Furthermore they could use this EEPROM to store authorization/security codes. For large quantity orders, it is also possible to modify the Maskable ROM (Read Only Memory) of PL-2307 to better represent the final product manufacturer and thus eliminate the need for external EEPROM. FEATURES Full compliance with the Universal Serial Bus Specification Support ATAPI-4 PIO and PACKET commands and Master/Slave Multiple Drives Power Management USB Interface 5V Power Source 5V-to-3.3V Regulator USB Transceiver Phase Lock Loop USB Serial Interface Engine 512 Bytes Unified Buffer Logic Device Module On chip transceivers and 5V-3.3V regulator for USB interface 12 MHz Crystal EP0 Control EPI Bulk Out EP2 Bulk In EP3 Interrupt System Address/Data Bus 512 Bytes unified data buffer dynamically allocated for upstream and downstream data transfer: Up to 700 KB/sec Drivers provided for Microsoft Windows 98 56 pins SSOP Package I/O Data (7:0) Control In (7:0) I/O Data (15:8) Control Out (11:0) Dual-Thread Micro-Controller (6 MIPS per Thread) Timer/ Counter Phase Generator Interrupt Controller External Serial EEPROM Interface 64 Bytes Data Memory/ Register 4K Words Program ROM ATAPI-4 Port External EEPROM (Optional) SYSTEM REQUIREMENT Intel 486DX4-100 MHz CPU or higher One Standard USB port and has the symbol Windows 98 7F, No. 48, Sec. 3, Nan-Kang Rd., Taipei, Taiwan, R. O. C. Tel : 886-2-2654-6363 Fax : 886-2-2654-6161 E-mail : sales@prolific.com.tw http://www.prolific.com.tw Prolific Technology Inc. Windows is a registered trademark of Microsoft Corporation. (c) 1999, Prolific Technology Inc. All rights reserved. March/1999 |
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