PQI Traveling Disk U250 دليل المستخدم

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USB Flash Drive











Traveling Disk U250
BB44 Series



Rev. A.0 Sep 2006

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USB Flash Drive Table of Contents 1. Introduction to Traveling Disk ………....................................................................................... 1 2. Main Features Overview …………..……….....................……...……………………………..…… 1 3. Hardware Specification ………………………………………..….………….……………………… 1 3.1 USB Interface ……………………………………………….…….........……………………………… 1 3.2 NAND Flash Interface ……………………………………………..…...........……...…………………. 1 3.3 OS Support ………………………………………………………….……

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USB Flash Drive Revision History Revision Date History Remark A.0 09/11 ‘06 New Creation Important!! Please make sure the driver matches the part number on your pen drive before you download. Software AP System Requirements. One of following operation systems: Windows 98/98SE/Windows ME/Windows 2000/Windows XP The advertised memory capacity of this device represents unformatted capacity. Please note that once formatted and due to variations in flash module block limitations, the fu

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USB Flash Drive 1. Introduction to U250 The U250 gives you portability and security to offer you a peace of mind. Compatible with USB 2.0 / 1.1 specifications with low power consumption and data protection. 2. Main Features Overview ♦ Mobile USB flash drive, USB 2.0 compatible ♦ Hot swappable, USB Plug & Play compatible ♦ LED indicator with three modes: Busy, waiting, and off ♦ Multimedia and data storage ♦ The Disk Safe software is bundled with this product for password protectio

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USB Flash Drive 4. Block Diagram Program ROM 8051 Micro Controller Program RAM Flash Flash DMA Control Memory Logic Data / Address Bus EDC/ ECC USB2.0 USB 2.0 USB1.1 USB2.0 or 1.1 Port DATA RAM Interface Host CLK PLL, REG PWR_GOOD PWR_RST 5. Absolute Maximum Ratings Symbol Parameter Min Max Unit Tstorage Storage Temperature -20 75 ℃ Ta Ambient Operating Temperature 0 65 ℃ Vcc3 3.3V Supply Voltage -0.3 3.6 V Vcc18 1.8V Supply Voltage -0.3 2 V Vin3.3 3

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USB Flash Drive 6. DC Characteristics Symbol Parameter Min. Typical Max. Units VDD Supply voltage for VCC3 or VCC3A V 3.0 3.3 3.6 Regulator output voltage for VCC or VDD18 1.62 1.8 1.98 V VCCA VIL Input Low Voltage -0.5 0.8 V VIH Input High Voltage 2.0 V VOL Output Low Voltage (IOL=4mA) 0.4 V VOH Output High Voltage (IOH=4mA) 2.4 V CIN Input pin capacitance pF 10 IDD Supply current 50 mA ISUS Suspend current (D+1.5K Ω) 300 uA 7. Recommended Operating Conditions

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USB Flash Drive 9. Physical Specifications 9.1 Dimensions: 9.1.1 Height: 57.0mm 9.1.2 Width: 22.0mm 9.1.3 Depth: 13.0mm 9.1.4 Weight: 9.4g ± 1g Rev. A.0 4/4 Sep 2006