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UPD31172

Part Number	UPD31172
Manufacturer	NEC
Description	MOS INTEGRATED CIRCUIT
Published	Apr 17, 2005
Detailed Description	DATA SHEET MOS INTEGRATED CIRCUIT µPD31172 VRC4172 TM COMPANION CHIP FOR VR4121 TM DESCRIPTION The µPD31172 (commer...
Datasheet	UPD31172 PDF File

Overview

DATA SHEET MOS INTEGRATED CIRCUIT µPD31172 VRC4172 TM COMPANION CHIP FOR VR4121 TM 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-purpose ports (GPIO), programmable chip select (PCS), and a PWM controller (a duty modulated light pulse generation function for LCD backlighting).
The VRC4172 can be directly connected to the VR4121, allowing a reduction in the man-hours required for development of a Windows™ CE system.
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UPD31172 MOS INTEGRATED CIRCUIT - NEC

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