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AN214818 - Keyscan Matrix | Cypress Semiconductor

AN214818 - Keyscan Matrix

Last Updated: 
Mar 02, 2021
Version: 
*B
This application note describes the keyscan matrix implemented in the Cypress CYW20730/CYW20733 Bluetooth transceiver chips. It is intended for software engineers who are writing code for devices that include the CYW20730/CYW20733, and who have experience working with keyboard scanners and with the CYW20730/CYW20733 chips.

Dear valued customer,

Thank you for choosing our products. They come with all the know-how and passion that our engineers have put into it. As you probably already know, Cypress is now Infineon. This is a major step for our company, but also for the good of you. 

Reliability and business continuity are of utmost importance for us. Hence, we remain fully committed to honoring existing customer and distributor relationships. This includes offering the legacy Cypress product portfolio. We thank you very much for your trusting support.

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