Datasheet Summary
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD72012
HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
The µPD72012 is a dedicated LSI for a HUB connected to a universal serial bus (USB) system. It is an upgrade of NEC’s µPD72011. It plies with USB specification revision 1.1. By putting descriptors into ROM, information such as a user’s vendor ID can be implemented in the chip.
Features
{ pliant with Chapter 11 (HUB Specifications) of USB Specification 1.1. { Descriptors into ROM
- The user can customize the vendor ID and product ID by using Mask ROM option. { Supports 5 kinds of string descriptors (for Mask ROM code product only) { On-chip sequencer
- There is an on-chip descriptor and request...