UPD720113中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

The μPD720113 is a USB 2.0 hub device that complies with the Universal Serial Bus (USB) Specification Revision 2.0 and works up to 480 Mbps. USB 2.0 compliant transceivers are integrated for upstream and all downstream ports. The μPD720113 works backward compatible either when any one of the downstream ports is connected to a USB 1.1 compliant device, or when the upstream port is connected to a USB 1.1 compliant host.

FEATURES

? Compliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5/12/480 Mbps)

? Certified by USB implementers forum and granted the USB 2.0 high-speed Logo

? High-speed or full-speed packet protocol sequencer for Endpoint 0/1

? 7 (Max.) downstream facing ports

? All downstream facing ports can handle high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) transaction.

? Supports split transaction to handle full-speed and low-speed transaction on downstream facing ports when Hub controller is working in high-speed mode.

? One Transaction Translator per Hub and supports four non-periodic buffers

? Support self-powered mode

? Supports Over-current detection and Individual or ganged power control

? Supports configurable vendor ID, product ID, string descriptors and others with external Serial ROM

? Supports “non-removable” attribution on individual port

? Uses 30 MHz X’tal, or clock input

? 2.5 V and 3.3 V power supplies