标签: au6259

         AU6259是Alcor Micro公司推出的一款USB2.0 HUB控制器，该芯片支持四下行接口和一个上行接口。其主要应用于：USB HOST系统、扫描仪、打印机、键盘、鼠标等。 AU6259的采购信息如下 AU6259的主要功能特性包括 1、Fully compliant with USB Hub Specification version 2.0 and is also backward compatible with USB Hub specification 1.1. 2、Single chip USB 2.0 hub controller. 3、Supports four bus-powered/self-powered downstream ports. 4、Supports automatic switching between bus- and self-powered modes. 5、Cost effective design using one transaction translator for all downstream ports. 6、Two-color LED controls available for each downstream port to indicate the status of each device port. 7、Extra low power consumption. 8、On chip internal pull-up and meets USB bus power regain emend pull down resistors for all data line. 9、Built-in USB 2.0 transceiver. 10、Supports individual and gang modes of power management. 11、Built-in power switch control for over current sensing control. 12、Built-in 1.8V regulator for core logic. 13、Embedded in PLL (Phase Lock Loop) circuit for 12MHz operation precision 14、Support external EEPROM interface for customized PID and VID 15、Available in two different form factors: 48-pin LQFP package and 64-pin LQFP package. AU6259的管脚图如下：   AU6259的功能框图如下：