32-bit MCU Based on Arm Cortex-M0+ Core Features Functional Safety, Cybersecurity Protection and AUTOSAR Compatibility

Published  September 16, 2022   0
PIC32CM JH Family of MCUs

Microchip Technology Inc. has introduced the new PIC32CM JH microcontroller that is based on the Arm Cortex-M0+ architecture with AUTOSAR support, Memory-Built-In Self-Test (MBIST), and secure boot. The PIC32CM JH family of MCUs delivers a variety of popular features plus extended memory options up to 512 KB of Flash and 64 KB to help you create designs that need functional safety, enhanced touch, or security. This MCU includes advanced touch with Driven Shield Plus, providing noise and water-tolerant operability which is necessary for home appliances, and industrial and automotive applications where the touch must work in a variety of harsh environments.

To support developers with implementation, the PIC32CM JH MCU comes with functional safety collateral such as a safety manual, Failure Modes Effects and Diagnostic Analysis (FMEDA), and diagnostic code targeting ISO 26262 ASIL B (Automotive Safety Integrity Level) safety levels. When paired with TA100 CryptoAutomotive security ICs, this MCU is compliant with ISO/SAE 21434 which is the new Cybersecurity Standard for Automotive.

The secure boot is part of the hardware that authenticates the code to make sure it is valid and prevents malicious code from being loaded onto the MCU. Other hardware features included on the PIC32CM JH MCU are Error Correction Code (ECC) with fault injection, loopbacks on the communications interfaces, system memory protection unit, and MBIST, all of which are safety mechanisms used to meet ISO 26262, IEC 61508, and IEC 60730 standards.