日本語
|
VIA Lab’s VL122 is a USB 2.0 Hub Controller, full compliance with USB 2.0 specification. VL122 offered in 2/4-port configurations: two/four USB 2.0 ports and features integrated voltage regulators, new lower-power design. VL122 supports any combination of High Speed (480Mbps), Full Speed (12Mbps), and Low Speed (1.5Mbps) devices, and the integrated USB 2.0 hub’s Single Transaction Translators feature. The integrated regulator of 5V to 3.3V and 3.3V to 1.8V inside of VL122, therefore no external Voltage Regulator required and can enable VL122 to be powered directly from USB VBus 5V, reducing BOM cost.
VL122 supports flexible configuration for customers, VID, PID, and number of downstream ports and Non-removable downstream port setting, etc. through the external EEPROM (24C02) or SMBUS or I/O Strapping (QFN28 package only).
VL122-based hub devices work under Windows, Mac OS X, and various Linux kernels without additional drivers. VL122-based hub devices are also compatible with non-x86 devices and platforms that support USB hub functions such as smart phones, tablets, and set-top boxes. It is well suited for all USB hub applications such as standalone USB hubs, Notebook/Ultrabook docking stations/port-replicators, desktop PC front panel, motherboard on-board hub, and USB hub compound devices.
|
 |
