UPD720112 Overview
DATA SHEET MOS INTEGRATED CIRCUIT µPD720112 USB 2.0 HUB CONTROLLER The µPD720112 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 µPD720112 works backward patible either when any one of the downstream ports is connected to a USB 1.1 pliant device, or when...
UPD720112 Key Features
- pliant 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
- 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