UPD720114 Overview
DATA SHEET MOS INTEGRATED CIRCUIT μPD720114 ECOUSBTM Series USB 2.0 HUB CONTROLLER The μPD720114 is a USB 2.0 hub device that plies with the Universal Serial Bus (USB) Specification Revision 2.0 and works up to 480 Mbps. USB 2.0 pliant transceivers are integrated for upstream and all downstream ports. The μPD720114 works backward patible either when any one of the downstream ports is connected to a USB 1.1 pliant...
UPD720114 Key Features
- pliant 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
- 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