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NXP Kinetis K81 security MCUs with anti-tamper features

The K8x MCU family offers the security, scalability, and flexibility to address the challenges of creating smart devices for the Internet of Tomorrow.

The high-performance Kinetis K8x ARM® Cortex®-M4 MCU family builds upon the Kinetis microcontroller portfolio with advanced security capabilities including boot ROM to support encrypted firmware updates, automatic decryption from external serial NOR flash memory, hardware AES acceleration built with side band attack protection, and hardware support for public key cryptography. The Kinetis K8x MCU family also integrates 8 KB code and 8 KB system cache, 256 KB of embedded SRAM and flash, USB full-speed, low-power peripherals and a quad SPI serial flash interface.

The Kinetis K81 MCU extends the Kinetis MCU portfolio with advanced security capabilities including anti-tamper peripheral, boot ROM to support encrypted firmware updates, automatic decryption from external serial flash memory, AES acceleration with side band attack protection, and hardware support for public key cryptography. The K81 MCU can be used to meet the security standards for point-of-sale (PoS) applications.

Kinetis K8x MCUs

K80_150: Kinetis K80 – 150 MHz, Scalable Memory, Advanced Security Microcontrollers (MCUs)
K82_150: Kinetis K82 – 150 MHz, Scalable Memory, Advanced Security Microcontrollers (MCUs) with Cryptographic Co-Processor

Kinetis ARM® Cortex®-M MCUs Product Selector

Features

Security features within the Kinetis K8x MCU family are incremental. For a full list of security features offered with Kinetis MCUs, visit: www.nxp.com/security.

Special features of K81:

K81	FEATURES	BENEFIT	FEATURE DETAILS
	Tamper detect module with up to eight tamper pins	module with up to eight tamper pins Reduce external circuits needed to support anti-tamper mechanisms	Secure key storage space with asynchronous erasure when external tamper events occur. Tamper detection for pin, temperature, voltage and clock, as well as active tamper.
	Secure Session RAM	Memory scratch pad for secure functions	RAM memory block designed for storage of sensitive information (such as encryption session keys) which is automatically cleared in the event of the detection of a tamper event.