AU6259是Alcor Micro公司推出的一款USB2.0 HUB控制器，該芯片支持四下行接口和一個上行接口。其主要應用于：USB HOST系統(tǒng)、掃描儀、打印機、鍵盤、鼠標等。
AU6259的采購信息如下：
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、Supports 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的管腳圖如下：
AU6259的功能框圖如下：
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