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AN60616 - PSoC® 3 and PSoC 5LP Startup Procedure | Cypress Semiconductor

AN60616 - PSoC® 3 and PSoC 5LP Startup Procedure

Last Updated: 
May 25, 2017

AN60616 describes PSoC® 3 and PSoC 5LP startup procedures, from the application of device power until the execution of user code. It describes how to customize the startup procedure, and includes the reasons a designer might want to change the startup procedure.


PSoC 3 and PSoC 5LP are incredibly powerful and complicated mixed-signal microcontrollers. Through careful configuration, they can be used to solve all kinds of technical problems. The PSoC Creator integrated design environment (IDE) generates the code that will configure the parts at startup, but it requires application-specific configuration details. Startup behavior can be manipulated to change the amount of time startup takes, what peripherals are configured, and much more. This application note describes the procedure of startup and also how it can be manipulated to best suit an application.

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.

For the full version of this message, please download the PDF version.