English
中文
日本語

Cancel

Search History

Bookmark

Please log in to show your saved searches.

STSW-STR7020

Active

STR71x GPIO Driving a 4x4 Matrix Keypad

Overview

Sample & Buy

Solutions

Documentation

Tools & Software

Quality & Reliability

Partner products

Sales Briefcase

Get Started

Quick links

Please enter your desired search query and search again

Filters

Quick filters

File type

Latest update

Quick links

Show only products supplied by ST

Please enter your desired search query and search again

Filters

Quick filters

Show only products supplied by ST

Product overview

x

Request Software

Something went wrong with the server request. Please try again in a few moments.

Project Title:

A project title is required.

Project Description:

A project description is required.

Application:

An application is required.

End Application:

An end application is required.

Nature of Business:

A nature of business is required.

Military Related:

A military relation status is required.

Country/Region where the Software will be used:

A country/region of use is required

Please keep me informed about future updates for this product.

Comment:

I accept all Terms & Conditions of the Export Control regulations Accept Terms & Conditions

Request for software successfully submitted. The approval process may take up to 48 hours. After you have been approved, you should receive a link to the requested software via email.

x

Let us help you in downloading this file

Get Software

{{level_1.title}}

My Account
My Space
My Account
Logout

日本語ウェブサイトをご覧いただけます该网站提供您所使用的语言版本

Products
Tools & Software
Resources
Videos
Solutions
Applications
Publications
X-Reference
All site

Search History

Bookmark

Please log in to show your saved searches.

Contact Us
English
- English
- 中文
- 日本語

Products
Amplifiers and Comparators Audio ICs Automotive ADAS Devices Automotive Analog and Power Automotive Infotainment and Telematics Automotive Logic ICs Automotive Microcontrollers Clocks and Timers Data Converters Digital Set-Top Box ICs Diodes and Rectifiers Imaging and Photonics Solutions Interfaces and Transceivers Memories MEMS and Sensors Microcontrollers & Microprocessors Motor Drivers NFC Positioning Power Management Power Modules and IPM Power Transistors Protections and EMI filters Radio Frequency Transistors Reset and Supervisor ICs Secure MCUs SiC Devices Space Products Switches and Multiplexers Thyristors (SCR) and AC Switches Touch and Display Controllers Wireless Connectivity
Applications
Automotive Communications Equipment, Computers and Peripherals Functions Industrial IoT Applications Personal Electronics
Solutions
Audio Solutions Connectivity Solutions Human Machine Interface (HMI) Solutions Lighting Solutions Motor Control Solutions Power & Energy Management Solutions Safety & Security Solutions Sensing Solutions
Tools & Software
Calculators eDesignSuite Selectors Simulators and Models Hardware Development Tools Software Development Tools Artificial intelligence ecosystem for STM32 AutoDevKit BlueNRG-LP for indoor positioning MadeForSTM32™ MEMS Sensors Ecosystem for Machine Learning ST25 NFC Reader+Tag ST4SIM: SIM & eSIM cellular connectivity portfolio STM32 Audio & Voice offer STM32Cube Ecosystem STM32 Digital Power Ecosystem STM32 Ecosystem for Motor Control STM32 Graphical User Interface STM32 Open Development Environment STM32 solutions for USB Type-C™ and Power Delivery STM32Trust STM8 & STM32 Functional Safety Audio ICs Software Automotive Infotainment and Telematics Software Clocks and Timers Software Development Tool Software Evaluation Tool Software Imaging Software MCU & MPU Embedded Software MEMS and Sensors Software Motor Control IC Software Open.RF Secure MCU Software ST25 - NFC / RFID Software Wireless Connectivity Software Product Evaluation Tools Solution Evaluation Tools Finders Apps Boards Development Tools Embedded Software from Partners Hardware Components Services
STM32 Developer Zone
About ST
{{level_1.title}}
{{level_1.title}}
{{level_1.browseAllBtnTextEn}}
- {{level_2.title}}
Browse {{level_2.title}}

{{level_3.title}}

{{level_4.title}}

{{level_3.title}}

{{level_4.title}}
New Products

The STM32 family

Sample & Buy
- Buy from eStore
- Contact our Sales Offices & Distributors
Support & Community

About STMicroelectronics
Who we are
Investor Relations
ST Approach to Sustainability
Innovation & Technology
Careers
Blog

Connect with Us
Contact ST Offices
Find Sales Offices & Distributors
Community
Media Center
Events & Trainings

Browse
Products
Applications
Shortcuts

Privacy
Privacy Portal

Newsletter Sign Up
Submit

x

Subscription to ST newsletters

Email: *

Please review our Privacy Statement that describes how we process your profile information and how to assert your personal data protection rights

Continue

x

Thanks! Your newsletter subscription has been submitted

Please click on the link inside the email we have just sent you to confirm your subscription. If you did not receive an email from us, please check your spam box.

Follow Us

All rights reserved © 2022 STMicroelectronics |

Terms of use | Sales Terms & Conditions | Trademarks | Privacy Portal | Manage Cookies

日本語ウェブサイトをご覧いただけます该网站提供您所使用的语言版本

Products

Amplifiers and Comparators Audio ICs Automotive ADAS Devices Automotive Analog and Power Automotive Infotainment and Telematics Automotive Logic ICs Automotive Microcontrollers Clocks and Timers Data Converters Digital Set-Top Box ICs Diodes and Rectifiers Imaging and Photonics Solutions Interfaces and Transceivers Memories MEMS and Sensors Microcontrollers & Microprocessors Motor Drivers NFC Positioning Power Management Power Modules and IPM Power Transistors Protections and EMI filters Radio Frequency Transistors Reset and Supervisor ICs Secure MCUs SiC Devices Space Products Switches and Multiplexers Thyristors (SCR) and AC Switches Touch and Display Controllers Wireless Connectivity

Applications

Automotive Communications Equipment, Computers and Peripherals Functions Industrial IoT Applications Personal Electronics

Solutions

Audio Solutions Connectivity Solutions Human Machine Interface (HMI) Solutions Lighting Solutions Motor Control Solutions Power & Energy Management Solutions Safety & Security Solutions Sensing Solutions

Tools & Software

STM32 Developer Zone

Support & Learning
- Back
- Support
- Partner Program
- Learning
- Video Center
- ST Community
- ST Wiki
Sample & Buy
About ST
Contact Us
Language: English
- Back
- English
- 中文
- 日本語

Sorry! Your browser is out-of-date

This browser is out of date and not supported by st.com.
As a result, you may be unable to access certain features.
Consider that modern browsers:

are more secure and protect better during navigation
are faster
are more compatible with newer technologies
provide a better experience and features

Don't show this message again

So why not taking the opportunity to update your browser and see this site correctly?

Google Chrome Mozilla Firefox

Did you know?

Please provide email

Please enter code

Congratulations!

Simple subscription

Congratulations!

x

You can start following this product to receive updates when new Resources, Tools and SW become available. It's easy and takes only 1 minute.

Don't show anymore

You can start following this product to receive updates when new Resources, Tools and SW become available. It's easy and takes only 1 minute.

E-mail address: Please enter a valid email address.

You can start following this product to receive updates when new Resources, Tools and SW become available. It's easy and takes only 1 minute.

A code has been sent to
Not the right address? Click here to go back

Enter your code:

Invalid code, please check the code sent to your email address and validate again. In case you did not receive any code please select 'I did not receive code'

You can start following this product to receive updates when new Resources, Tools and SW become available. It's easy and takes only 1 minute.

A code has been sent to

Please review our Privacy Statement that describes how we process your profile information and how to assert your personal data protection rights

You are now subscribed to
- STSW-STR7020

You can re-use the validation code to subscribe to another product or application.

Sorry, there was a problem on our servers. Please try again.