UPD720112中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書

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

? 4 (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

? Supports self-powered and bus-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

? Supports downstream port status with LED

? 2.5 V and 3.3 V power supplies