GL641USB General Description
GL641USB Features
• High performance and low cost solution for USB ATA / ATAPI / Compact Flash controller
• USB Specification Compliance
− Conforms to USB 12Mbps Specification, Version 1.1
− Conforms to USB Storage Class Specification, Version 1.0 (bulk only protocol)
− Supports 1 device address and 4 endpoints (include endpoint 0)
• Operating System Supported
− Windows 2000 & Windows ME
`Supported by Microsoft default driver
− Windows 98 & Windows 98 SE
`Supported by Genesys Logic USB Storage driver
− Mac OS 9.X & Mac OS X
`Supported by Apple default driver or Genesys Logic USB Storage driver
• On-chip 3.3v output for USB D+ pulled up
• Integrated USB transceiver
• External EEPROM interface for customizing VID & PID of USB device
• Support ATA hard disk / ATAPI CD-ROM, CD-RW, MO / Compact Flash card in one chip
• Data transfer rate up to 1.1Mbytes/sec when read/write the USB storage device
• Improved output drivers with slew-rate control to reduce EMI
• 12 MHz external clock
• Internal power-on reset (POR)
• Internal power-fail detector
• Supports suspend/normal mode power management
• Available in cost saving 48-pins LQFP
• Suspend power consumption of bus powered CF card reader is less than 500A (USB specification)
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