NXP Semiconductors PCA9846PW-ARD Скачать руководство пользователя страница 25

NXP Semiconductors

UM11759

PCA9846PW-ARD evaluation board

10 Legal information

10.1  Definitions

Draft

 — A draft status on a document indicates that the content is still

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.

10.2  Disclaimers

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 http://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 data sheet 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.

Translations

 — A non-English (translated) version of a document, including

the legal information in that document, is for reference only. The English

version shall prevail in case of any discrepancy between the translated and

English versions.

Security

 — Customer understands that all NXP products may be subject to

unidentified vulnerabilities or may support established security standards or

specifications with known limitations. Customer is responsible for the design

and operation of its applications and products throughout their lifecycles

to reduce the effect of these vulnerabilities on customer’s applications

and products. Customer’s responsibility also extends to other open and/or

proprietary technologies supported by NXP products for use in customer’s

applications. NXP accepts no liability for any vulnerability. Customer should

regularly check security updates from NXP and follow up appropriately.
Customer shall select products with security features that best meet rules,

regulations, and standards of the intended application and make the

ultimate design decisions regarding its products and is solely responsible

for compliance with all legal, regulatory, and security related requirements

concerning its products, regardless of any information or support that may be

provided by NXP.
NXP has a Product Security Incident Response Team (PSIRT) (reachable

at 

[email protected]

) that manages the investigation, reporting, and solution

release to security vulnerabilities of NXP products.

10.3  Trademarks

Notice: All referenced brands, product names, service names, and

trademarks are the property of their respective owners.

NXP

 — wordmark and logo are trademarks of NXP B.V.

UM11759

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2022. All rights reserved.

User manual

Rev. 1 — 6 June 2022

25 / 27

Содержание PCA9846PW-ARD

Страница 1: ...evaluation board is an expansion card equipped with Arduino port designated for easy test and design of PCA9846 IC four channel ultra low voltage FM I 2 C bus switch with reset The board is fully com...

Страница 2: ...ARD evaluation board Rev Date Description 1 20220606 Initial version Revision history UM11759 All information provided in this document is subject to legal disclaimers NXP B V 2022 All rights reserve...

Страница 3: ...n heavily depends on proper printed circuit board layout and heat sinking design as well as attention to supply filtering transient suppression and I O signal quality The product provided may not be c...

Страница 4: ...phical user interface Windows platform GUI is provided to facilitate the evaluation of the expansion board The GUI is used with the following NXP evaluation boards IMXRT1050 EVK Board LPCXpresso55S69...

Страница 5: ...asurements Equipped with programmable power supply for logic level combination Onboard I 2 C bus external connector channel 3 and 4 Equipped with Arduino Uno R3 port for direct connection with Arduino...

Страница 6: ...same electrical function and placed on the board so the expansion board can be directly inserted in the Arduino port The expansion board uses five signal lines Table 1 is the pin chart of connectors a...

Страница 7: ...8 D7 Not used 1 D8 Not used 2 D9 PWM Not used 3 D10 SS PWM Not used 4 D11 MOSI PWM Not used 5 D12 MISO Not used 6 D13 SCK Not used 7 GND Power supply return 8 AREF Not used 9 A4 SDA Not used J4 mixed...

Страница 8: ...3 A0 connected to VCC_LDOOUT1 2 4 A0 connected to SCL J12 AD0 3 5 4 6 A0 connected to SDA 3 5 A1 connected to GND 1 3 A1 connected to VCC_LDOOUT1 2 4 A1 connected to SCL J13 AD1 3 5 4 6 A1 connected...

Страница 9: ...slator PCA9617A U7 The level shifter U7 assures the separation between the logic level of the Arduino port 3 3 V and the selected logic level of the PCA9846 VCC_LDOOUT1 The I 2 C interface of U11 is p...

Страница 10: ...the programmable power supply is the adjustable voltage regulator LDK120MK IC U3 As shown in Figure 4 in the feedback loop the analog multiplexer U18 is placed in the feedback loop of the LDO allowin...

Страница 11: ...U13 which is supplied with 3 3 V directly from the Arduino port This configuration allows testing of the DUT behavior when working with I 2 C busses at different logic levels Table 4 shows the EEPROM...

Страница 12: ...board Figure 6 The PCA9846PW ARD EEPROM 1 8 V section Figure 7 The PCA9846PW ARD EEPROM 2 5 V section UM11759 All information provided in this document is subject to legal disclaimers NXP B V 2022 All...

Страница 13: ...section 4 5 Schematic board layout and bill of materials The schematic board layout and bill of materials for the PCA9846PW ARD evaluation board are available at http www nxp com PCA9846PW ARD UM1175...

Страница 14: ...erface See Section 6 and Section 7 for more details regarding the operation of PCA9846PW ARD from GUI software 6 Configuring the hardware 6 1 Using the PCA9846PW ARD with an IMXRT1050 EVK board Figure...

Страница 15: ...in position 1 2 2 Insert the PCA9846PW ARD expansion card on the Arduino connector of the EVK See Figure 10 3 Using USB connector J28 connect the EVK board to an USB port of the computer 4 Install th...

Страница 16: ...The LPCXpresso55S69 development board is equipped with four USB Micro B connectors P5 P6 P9 and P10 The board can be powered through any USB port Using P6 USB connector to connect the board to the PC...

Страница 17: ...ion board Figure 12 PCA9846PW ARD expansion board and LPCXpresso55S69 motherboard before starting UM11759 All information provided in this document is subject to legal disclaimers NXP B V 2022 All rig...

Страница 18: ...the PCA9846PW ARD with an i MX 8M Mini LPDDR4 EVK board When an i MX 8M Mini LPDDR4 EVK board is used with the PCA9846PW ARD board a third board IMX8MMINI IARD interposer board must be used especiall...

Страница 19: ...interposer board to J1003 connector on the EVK To power up the EVK a USB C type cable connected to PORT 2 of the EVK is used The power switch SW101 on the EVK board must be set to ON to power up the s...

Страница 20: ...another device The PCA9846PW ARD expansion board can be operated with other EVK board which has an Arduino port There are two options to connect the board Use another EVK equipped with an Arduino port...

Страница 21: ...ation can support two different boards In Figure 16 the selected board is PCA9846PW Selecting a wrong expansion board causes the connection to fail Assuming the correct parameters are chosen clicking...

Страница 22: ...CII character in the Input Data box Select the desired channel to use for data write Select the corresponding EEPROM box The selected box will change to red Click on Send Data When the Send Data butto...

Страница 23: ...t emitting diode PC personal computer USB universal serial bus Table 6 Abbreviations 9 References 1 PCA9846 4 channel ultra low voltage Fm I 2 C bus switch with reset data sheet 2 https www nxp com we...

Страница 24: ...rduino Uno R3 reference manual NXP Semiconductors 10 UM11612 IMX8MMINI IARD interposer board user manual 11 NXP EVK Firmware and GUI Installation Guide for Arduino Series Boards user manual NXP Semico...

Страница 25: ...g 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...

Страница 26: ...846PW ARD EEPROM 3 6 V section 13 Fig 10 PCA9846PW ARD expansion board and IMXRT1050 EVK before starting 15 Fig 11 Assembly PCA9846PW ARD expansion board and IMXRT1050 EVB operation 16 Fig 12 PCA9846P...

Страница 27: ...rials 13 5 Installing and configuring software tools 14 6 Configuring the hardware 14 6 1 Using the PCA9846PW ARD with an IMXRT1050 EVK board 14 6 2 Using the PCA9846PW ARD with an LPCXpresso55S69 dev...

Отзывы: