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D720112GK

NEC
Part Number D720112GK
Manufacturer NEC
Description UPD720112
Published Apr 22, 2014
Detailed Description DATA SHEET MOS INTEGRATED CIRCUIT µPD720112 USB 2.0 HUB CONTROLLER The µPD720112 is a USB 2.0 hub device that complie...
Datasheet PDF File D720112GK PDF File

D720112GK
D720112GK

Overview
DATA SHEET MOS INTEGRATED CIRCUIT µPD720112 USB 2.
0 HUB CONTROLLER The µPD720112 is a USB 2.
0 hub device that complies with the Universal Serial Bus (USB) Specification Revision 2.
0 and works up to 480 Mbps.
USB 2.
0 compliant transceivers are integrated for upstream and all downstream ports.
The µPD720112 works backward compatible either when any one of the downstream ports is connected to a USB 1.
1 compliant device, or when the upstream port is connected to a USB 1.
1 compliant host.
Detailed function descriptions are provided in the following user’s manual.
Be sure to read the manual before designing.
µPD720112 User’s Manual: S16617E 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 The information in this document is subject to change without notice.
Before using this document, please confirm that this is the latest version.
Not all products and/or types are available in every country.
Please check with an NEC Electronics sales representative for availability and additional information.
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