UPD720112中文资料瑞萨数据手册PDF规格书

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