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(yīng)用于:USB HOST系統(tǒng)、掃描儀、打印機(jī)、鍵盤、鼠標(biāo)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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