UPD31172

MOS INTEGRATED CIRCUIT

NEC

UPD31172 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

UPD31172 General Description

The µPD31172 (commercial name: VRC4172) is a companion chip designed for NEC’s µPD30121 microprocessor (commercial name: VR4121). The VRC4172 has the following functions available on chip: a USB host controller, an IEEE1284 parallel controller, a 16550 serial controller, a PS/2 controller, general-p.

UPD31172 Datasheet (278.40 KB)

UPD31172 Datasheet Preview — Preview of UPD31172 PDF

Datasheet Details

Part number:

UPD31172

Manufacturer:

NEC

File Size:

278.40 KB

Description:

Mos integrated circuit.

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UPD31172 MOS INTEGRATED CIRCUIT NEC

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UPD31172 Features

UPD31172 General Description

Datasheet Details

File Size:

Description:

UPD31172 Distributor