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CY91550 Series FR81S CY91F552 Hardware Manual | Cypress Semiconductor

CY91550 Series FR81S CY91F552 Hardware Manual

Last Updated: 
Jul 15, 2018

This manual explains the function, operation, and the usage for the engineer who develops the product by actually using this series.

CY91550 Series are Cypress 32-bit microcontroller designed for automotive and industrial control. It contains the FR81S CPU that is compatible with the FR family. The FR81S CPU has a high level performance among the FR family by enhancing instruction pipeline and load store processing, and improving internal bus transfer.

This content contains information on Cypress products that have been migrated from Spansion's website in conjunction with our merger. Although marked with the name of the company that developed the material (Spansion or Fujitsu), Cypress continues to offer the content to our customers. There is no change to this information as a result of this migration. Future revisions will occur when appropriate, and changes will be noted in the revision history.

Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.