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UPD720012 - HUB CONTROLLER

Key Features

  • { Compliant 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 response sequencer. External initial setup and control is not needed and HUB functions can be realized using only the µPD72012. { Downstream ports.
  • Four or fi.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 complies 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 { Compliant 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 response sequencer.