PCF2131 datasheet(32/34 Pages) NXP

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NXP Semiconductors

UM12262

FRDM-IMX91 Board User Manual

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under internal review and subject to formal approval, which may result

in modifications or additions. NXP Semiconductors does not give any

representations or warranties as to the accuracy or completeness of

information included in a draft version of a document and shall have no

liability for the consequences of use of such information.

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Limited warranty and liability — Information in this document is believed

to be accurate and reliable. However, NXP Semiconductors does not give

any representations or warranties, expressed or implied, as to the accuracy

or completeness of such information and shall have no liability for the

consequences of use of such information. NXP Semiconductors takes no

responsibility for the content in this document if provided by an information

source outside of NXP Semiconductors.

In no event shall NXP Semiconductors be liable for any indirect, incidental,

punitive, special or consequential damages (including - without limitation -

lost profits, lost savings, business interruption, costs related to the removal

or replacement of any products or rework charges) whether or not such

damages are based on tort (including negligence), warranty, breach of

contract or any other legal theory.

Notwithstanding any damages that customer might incur for any reason

whatsoever, NXP Semiconductors’ aggregate and cumulative liability

towards customer for the products described herein shall be limited in

accordance with the Terms and conditions of commercial sale of NXP

Semiconductors.

Right to make changes — NXP Semiconductors reserves the right to

make changes to information published in this document, including without

limitation specifications and product descriptions, at any time and without

notice. This document supersedes and replaces all information supplied prior

to the publication hereof.

Suitability for use — NXP Semiconductors products are not designed,

authorized or warranted to be suitable for use in life support, life-critical or

safety-critical systems or equipment, nor in applications where failure or

malfunction of an NXP Semiconductors product can reasonably be expected

to result in personal injury, death or severe property or environmental

damage. NXP Semiconductors and its suppliers accept no liability for

inclusion and/or use of NXP Semiconductors products in such equipment or

applications and therefore such inclusion and/or use is at the customer’s own

risk.

Applications — Applications that are described herein for any of these

products are for illustrative purposes only. NXP Semiconductors makes no

representation or warranty that such applications will be suitable for the

specified use without further testing or modification.

Customers are responsible for the design and operation of their

applications and products using NXP Semiconductors products, and NXP

Semiconductors accepts no liability for any assistance with applications or

customer product design. It is customer’s sole responsibility to determine

whether the NXP Semiconductors product is suitable and fit for the

customer’s applications and products planned, as well as for the planned

application and use of customer’s third party customer(s). Customers should

provide appropriate design and operating safeguards to minimize the risks

associated with their applications and products.

NXP Semiconductors does not accept any liability related to any default,

damage, costs or problem which is based on any weakness or default

in the customer’s applications or products, or the application or use by

customer’s third party customer(s). Customer is responsible for doing all

necessary testing for the customer’s applications and products using NXP

Semiconductors products in order to avoid a default of the applications

and the products or of the application or use by customer’s third party

customer(s). NXP does not accept any liability in this respect.

Terms and conditions of commercial sale — NXP Semiconductors

products are sold subject to the general terms and conditions of commercial

sale, as published at https://www.nxp.com/profile/terms, unless otherwise

agreed in a valid written individual agreement. In case an individual

agreement is concluded only the terms and conditions of the respective

agreement shall apply. NXP Semiconductors hereby expressly objects to

applying the customer’s general terms and conditions with regard to the

purchase of NXP Semiconductors products by customer.

Export control — This document as well as the item(s) described herein

may be subject to export control regulations. Export might require a prior

authorization from competent authorities.

Suitability for use in non-automotive qualified products — Unless

this document expressly states that this specific NXP Semiconductors

product is automotive qualified, the product is not suitable for automotive

use. It is neither qualified nor tested in accordance with automotive testing

or application requirements. NXP Semiconductors accepts no liability for

inclusion and/or use of non-automotive qualified products in automotive

equipment or applications.

In the event that customer uses the product for design-in and use in

automotive applications to automotive specifications and standards,

customer (a) shall use the product without NXP Semiconductors’ warranty

of the product for such automotive applications, use and specifications, and

(b) whenever customer uses the product for automotive applications beyond

NXP Semiconductors’ specifications such use shall be solely at customer’s

own risk, and (c) customer fully indemnifies NXP Semiconductors for any

liability, damages or failed product claims resulting from customer design and

use of the product for automotive applications beyond NXP Semiconductors’

standard warranty and NXP Semiconductors’ product specifications.

Evaluation products — This evaluation product is intended solely for

technically qualified professionals, specifically for use in research and

development environments to facilitate evaluation purposes. It is not a

finished product, nor is it intended to be a part of a finished product. Any

software or software tools provided with an evaluation product are subject to

the applicable license terms that accompany such software or software tools.

This evaluation product is provided on an “as is” and “with all faults” basis

for evaluation purposes only and is not to be used for product qualification

or production. If you choose to use these evaluation products, you do

so at your risk and hereby agree to release, defend and indemnify NXP

(and all of its affiliates) for any claims or damages resulting from your use.

NXP, its affiliates and their suppliers expressly disclaim all warranties,

whether express, implied or statutory, including but not limited to the

implied warranties of non-infringement, merchantability and fitness for a

particular purpose. The entire risk as to the quality, or arising out of the use

or performance, of this evaluation product remains with user.

In no event shall NXP, its affiliates or their suppliers be liable to user for any

special, indirect, consequential, punitive or incidental damages (including

without limitation damages for loss of business, business interruption, loss

of use, loss of data or information, and the like) arising out the use of or

inability to use the evaluation product, whether or not based on tort (including

negligence), strict liability, breach of contract, breach of warranty or any other

theory, even if advised of the possibility of such damages.

Notwithstanding any damages that user might incur for any reason

whatsoever (including without limitation, all damages referenced above and

all direct or general damages), the entire liability of NXP, its affiliates and

their suppliers and user’s exclusive remedy for all of the foregoing shall be

limited to actual damages incurred by user based on reasonable reliance

up to the greater of the amount actually paid by user for the evaluation

product or five dollars (US$5.00). The foregoing limitations, exclusions and

disclaimers shall apply to the maximum extent permitted by applicable law,

even if any remedy fails of its essential purpose and shall not apply in case

of willful misconduct.

HTML publications — An HTML version, if available, of this document is

provided as a courtesy. Definitive information is contained in the applicable

document in PDF format. If there is a discrepancy between the HTML

document and the PDF document, the PDF document has priority.

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User manual

Rev. 3.0 — 22 April 2025

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