Mfr Part #:

WPCN381UA0DG

The Winbond Electronics WPCN381UA0DG is a legacy-reduced Super I/O with a Fast Infrared Port, two Serial Ports, and 11 GPIOs. It features an LPC bus interface and operates at 3.3V.

✓ Total Stock: 29 pcs

$ Price Range: $1.37

WPCN381UA0DG Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	29 pcs On Request	29 pcs	On Request	1	On Request	On Request	2015+	On Request	On Request

WPCN381UA0DG Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Winbond Electronics
Interface	LPC
Number of Pins	48
Storage Temperature	°C ~ °C
Tape & Reel	No

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WPCN381UA0DG Description

Short technical summary and product information.

The WPCN381UA0DG from Winbond Electronics is a Super I/O component designed for legacy-reduced, ultra-light portable applications. It is PC2001 and ACPI compliant, offering essential functions for modern notebook systems.

Key features include a Fast Infrared Port (FIR) compliant with IrDA 1.1, two Serial Ports (SP1 and SP2) compatible with the 16550A and 16450 standards, and 11 General-Purpose Input/Output (GPIO) ports. The device supports UART data rates up to 1.5 MBaud and operates on a 3.3V supply, with pins being 5V tolerant (excluding LPC bus pins).

This Super I/O utilizes an LPC bus interface, adhering to Intel's LPC Interface Specification Revision 1.1. It supports CLKRUN and LPCPD signals and is compliant with ACPI Revision 3.0. The WPCN381UA0DG is housed in a 48-pin LQFP package, making it suitable for space-constrained designs.

WPCN381UA0DG Quick Information

Product Type: Super I/O

Series: WPCN381U

Canonical Name: WPCN381U Legacy-Reduced Super I/O

Subcategory: Legacy-Reduced

WPCN381UA0DG Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

WPCN381UA0DG Estimated Pricing

Qty	Low	High
1+	$1.37	$1.37

Estimated market price range - modelled values for guidance only, not live distributor offers.

WPCN381UA0DG Features

Legacy-reduced Super I/O for portable applications.
Fast Infrared Port (FIR) IrDA 1.1 compliant.
Two Serial Ports (SP1, SP2) up to 1.5 MBaud.
11 General-Purpose Input/Output (GPIO) ports.
LPC bus interface, PC2001 and ACPI 3.0 compliant.

WPCN381UA0DG Applications

Embedded systems with LPC interface requirements
Devices requiring multiple serial and GPIO ports
Infrared communication applications
Power management and control modules

WPCN381UA0DG FAQs

6 frequently asked questions generated from this part’s specifications.

What are the key communication interfaces on the WPCN381UA0DG?

The WPCN381UA0DG features a Fast Infrared Port (FIR) compliant with IrDA 1.1, two Serial Ports (SP1 and SP2) compatible with 16550A/16450 standards, and an LPC bus interface.

How many GPIO pins does the WPCN381UA0DG offer?

The WPCN381UA0DG provides 11 General-Purpose Input/Output (GPIO) ports, with 6 of them capable of IRQ assertion.

What is the maximum UART data rate for the serial ports?

The serial ports on the WPCN381UA0DG support UART data rates up to 1.5 MBaud.

What is the operating supply voltage for the WPCN381UA0DG?

The WPCN381UA0DG operates on a 3.3V supply voltage.

What package type is the WPCN381UA0DG available in?

The WPCN381UA0DG is available in a 48-pin LQFP package.

Is the WPCN381UA0DG compliant with PC2001 and ACPI standards?

Yes, the WPCN381UA0DG is PC2001 and ACPI Revision 3.0 compliant.