The Ideal Blend of Real-Time Determinism, Efficiency, and Security
The Cortex-M processor series is designed to enable developers to create cost-sensitive and power-constrained solutions for a broad range of devices. Optimized for cost and power-sensitive microcontroller and mixed-signal applications, the Cortex-M33 processor is designed to address embedded and Internet of Things (IoT) markets, especially those that require efficient security or digital signal control.
Features and Benefits
With TrustZone security on the Cortex-M33 processor, programmers can use a familiar programming model to more easily achieve software isolation, and create the security foundation required for modern IoT devices.
The Cortex-M33 includes digital signal processing (DSP), SIMD, and MAC instructions that help reduce design costs and simplify overall system design, software development, and debug.
The Arm Corstone-201 reference package includes a pre-verified subsystem and system IP that significantly accelerates the development of secure SoCs with the Cortex-M33 processor.
The Cortex-M33 processor is for IoT and embedded applications that require efficient security or digital signal control.
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|Cortex-M33 Technical Reference Manual|
|Cortex-M33 Processor Datasheet|
|Cortex-M33 Devices Generic User Guide|
Compare the specifications of Cortex-M processors:
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Where Innovation and Ideas Come to Life
Controllers are widely used in industrial applications. Cortex-M33 comes equipped with essential microcontroller features, including low latency interrupt handling, integrated sleep modes, and debug and trace capabilities, making it the ideal processor for industrial control.
Machine Learning (ML)
Use cases with ML capabilities are expanding, and changing how we interact with devices and machines everywhere. The Cortex-M33 processor is scalable and flexible enough to run any type of ML workload.
These size- and power-constrained devices must continuously process multiple sensor feeds to maximise responsivity. The processing power and security foundation of Cortex-M33 enables intelligence and connectivity to be deployed in the sensors, whilst protecting the data transmitted.
Get Started with Cortex-M33 Today
The following Cortex-M33-based microcontrollers are available today to help developers design secure applications.
The nRF9160 series and nRF5340 integrate TrustZone technology with the Cortex-M33 processor. The nRF9160 series is a highly integrated, low power, LTE-M/NB-IoT System-in-Package (SiP) and the nRF5340 is a dual-processor SoC supporting Bluetooth 5.1, Bluetooth mesh, NFC, Thread and Zigbee.
The LPC5500 MCU series includes single and dual-core 100MHz Cortex-M33- based microcontrollers in 40nm flash technology for a broad range of industrial and IoT applications.
The Renesas RA family deliver superior performance and advanced security for IoT Applications. The Arm TrustZone technology in concert with the Renesas Secure Crypto Engine enable easy security solution designs. The RA6M4 is the first in a family of Cortex-M33 launched by Renesas.
The mighty Gecko family is a low-power wireless platform with support for Bluetooth 5.1, Zigbee 3.0, thread and multiprotocol connectivity. The platform includes SoC devices, software, and tools designed to make IoT products more powerful, secure, and reliable.
STM32L5 devices use the Armv8-M architecture to boost performance and increase security with 4MB of flash, up to 256KB of RAM, and a rich suite of timers and interfaces.
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Find out why Cortex-M33 is the ideal processor for secure, embedded, and IoT applications.
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Explore More Options and Features
Arm Virtual Hardware
Arm Virtual Hardware delivers models of Arm-based processors, systems, and third party hardware for application developers and SoC designers to build and test software without hardware, accelerating IoT and ML development.
The Arm Corstone-201 reference package includes a flexible subsystem with system IP to help build secure custom SoCs. It helps accelerate development of mainstream IoT and embedded applications, such as wearables, smart meters and home hub devices.
A Foundation of Silicon Success
Arm-based chips, device architectures, and technologies orchestrate the performance of everything that makes modern life possible — from smartphones to agricultural sensors and from medical instruments to servers.
The Armv8-M architecture implements a programmers’ model designed for low-latency processing and optionally implements a memory protection unit (MPU) based on protected memory system architecture (PMSA). It includes TrustZone technology for system-wide hardware isolation, providing confidentiality to the system.
TrustZone for Cortex-M
System-wide hardware isolation for trusted software. TrustZone creates an isolated secure world to provide confidentiality and integrity to the system, protecting your chip from software attacks.
The Common Microcontroller Software Interface Standard (CMSIS) enables consistent device support and simple software interfaces to Cortex-M processors and their peripherals. This simplifies software reuse, reduces the learning curve for microcontroller developers, and reduces the time to market for new devices.
- Reaching New Levels of Performance and Signal Processing with Arm Cortex-M33's Co-Processor Interface