文件名称：μPD720114 简要规格
文件大小：458KB
文件格式：PDF
更新时间：2016-06-10 04:45:08
μPD720114 USB 2.0 HUB CONTROLLER
• Compliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5/12/480 Mbps) • High-speed or full-speed packet protocol sequencer for Endpoint 0/1 • 4 (Max.) downstream facing ports • Low power consumption (10 μA when hub in idle status, 149 mA when all parts run in HS mode) • 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 individual or global over-current detection and individual or ganged power control • Supports downstream port status with LED • Supports non-removable devices by I/O pin configuration • Support Energy Star for PC peripheral system • On chip Rpu, Rpd resistors and regulator (for core logic) • Use 30 MHz crystal • 3.3 V power supply