I need a deterministic 5 V motor or power conversion controller that is robust against EMI and line disturbances and still meets safety requirements. What’s the cleanest single-chip path?

Use MCX E24x for rugged 5.5 V operation, 112 MHz M4F and eight FlexTimers synchronized with fast ADC and comparators for tight PWM and ADC alignment. It is SafeAssure ready for IEC 61508 SIL 2 with ECC on Flash and SRAM and includes EdgeLock Accelerator CSEc for authenticated boot and update. The FRDM-MCXE247 platform and RTCESL deliver measurable FOC and digital power examples on day one.

We’re building a harsh environment edge hub that must move traffic across multiple CAN FD networks and time-aware Ethernet without compromising control loop determinism. What is the best topology?

Choose MCX E31x when you need up to six FlexCAN FD plus 10/100 Ethernet with TSN. Run fast loops and filtering on the M7 at 160 MHz with 96 KB TCM for low-latency ISRs, and push bulk I/O through DMA and the Ethernet MAC while maintaining determinism. For smaller hubs with three or fewer CAN and one Ethernet, MCX E24x balances features and power at 5 V.

How do I combine functional safety with secure boot and provisioning, ideally with a scalable migration path from Arm Cortex M4F to Arm Cortex M7, without adding a discrete security element?

Start with MCX E24x using SafeAssure collateral and EdgeLock Accelerator CSEc for authenticated boot and update. Scale to MCX E31x to add EdgeLock Secure Enclave Advanced profile, more CAN FD channels, TSN Ethernet and larger ECC-protected memories while reusing MCUXpresso flows.

We want measurable motor control gains (loop rate, dead time precision, phase current quality) without external glue; what changes with MCX E timers?

MCX E24x’s eight FlexTimers provide complementary PWM, dead-time insertion and ADC trigger alignment for high-fidelity FOC and digital power, while MCX E31x uses eMIOS blocks tuned for complex timing. Pair with on-chip comparators and multi ADC to reduce latency and component count; FRDM-MCXE247 demos show low CPU load at typical FOC rates.

What accelerates rapid first-pass bring-up for a 5 V safety-grade CAN FD and Ethernet design including pins, clocks, secure boot, RTOS and testable KPIs?

MCX E24x and E31x integrate with the MCUXpresso Developer Experience including IDE/SDK, secure provisioning and pin, clock and peripheral tools with Zephyr support. Use FRDM-MCXE247 for ready Ethernet, CAN FD and ADC/PWM projects and for bring-up scripts that log ISR latency, loop jitter, throughput and energy before hardware freeze.

MCX E系列微控制器

MCX E系列Arm® Cortex®-M4F和Arm® Cortex®-M7微控制器专为高可靠性工业和物联网应用而打造，提供稳健的5V工作电压、高达4MB闪存、512kB SRAM以及集成的功能安全特性。该系列专为严苛环境设计，它延续了Kinetis E系列的传统优势，并通过增强的安全性(符合IEC 61508标准)和EdgeLock®安全技术，实现了设计安全理念。

主要特性包括CAN-FD、10/100以太网、低功耗串行接口，以及通过8个FlexTimer(E24)或3个eMIOS模块(E31)实现的高级电机控制功能。该系列支持24/7连续运行，最高温度可达135°C，并提供预认证的安全库和文档，适用于关键型应用。

借助MCUXpresso Developer Experience(MCUXpresso开发人员体验)、VS Code集成、实时操作系统(RTOS)支持以及FRDM生态合作体系，加速您的开发，实现快速原型设计并简化开发流程。

产品
主要特性
设计资源
文档

主要特性

适用于恶劣环境的高可靠5V架构

在电气噪声复杂的工业环境中确保可靠运行，全面支持3V和5V系统，并兼容5V传感器。

高级安全性

MCX E系列提供程序流程监测、闪存、SRAM、寄存器和时钟的完整数据完整性，以及电源和温度监测功能。

MCUXpresso Developer Experience(MCUXpresso开发人员体验)

MCUXpresso IDE、SDK、安全配置工具可提供优质软件和工具，帮助加快开发速度。

MCX E系列产品

系列	内核	闪存	SRAM	CAN-FD	以太网	信息安全	封装
E31x	M7@160MHz	高达4096kB	高达512kB	最多6个	可选	ELE_HSEB	LQFP48、HDQFP100、HDQFP172
E24x 新	M4F@112MHz	高达2048kB	高达256kB	多达3个	可选	ELA_CSEC	LQFP48、LQFP64、LQFP100、LQFP144