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UPD31172 - MOS INTEGRATED CIRCUIT

NEC

The UPD31172 by NEC is a MOS INTEGRATED CIRCUIT. Below is the official datasheet preview.

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UPD31172 MOS INTEGRATED CIRCUIT by NEC - Datasheet Preview — Official preview page of the UPD31172 MOS INTEGRATED CIRCUIT datasheet (NEC).

Datasheet Details

Part number	UPD31172
Manufacturer	NEC
File Size	278.40 KB
Description	MOS INTEGRATED CIRCUIT
Datasheet	UPD31172_NEC.pdf
Additional preview pages of the UPD31172 datasheet.

UPD31172 Product details

Description

The µPD31172 (commercial name: VRC4172) is a companion chip designed for NEC’s µPD30121 microprocessor (commercial name: VR4121).

Features

Directly connectable to VR4121.
On-chip USB host controller.
USB ports: 2.
Compliant with the USB OpenHCI specifications, release 1.0.
Communicates with USB device asynchronously with host CPU.
Full-speed (12 Mbps) and low-speed (1.5 Mbps) modes supported.
System clock: 48 MHz.
On-chip PS/2 controller.
On-chip IEEE1284 parallel controller.
On-chip 16550 serial controller.
General-purpose ports (GP.

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Published: Apr 17, 2005 |