How do I design a coin cell or 2×AA sensor node with USB device provisioning and a segment LCD UI—while keeping sleep current and wake latency tight?

Use MCX C14x, C24x or C44x for USB FS and SLCD in a single M0+ device up to 48 MHz, then park in deep sleep with fast full-retention wake. Provision over USB at the factory, then run on an ultra-low duty cycle with 12-bit ADC sensing and RTC wake without an external LCD controller. FRDM-MCXC041 and FRDM-MCXC444 provide ready USB and SLCD demos to validate current and wake KPIs.

I need to collapse glue logic and custom serial buses (legacy SPI variants, custom UART, one wire) without extra ICs. What’s the cleanest way?

Choose MCX C24x or C44x to implement nonstandard interfaces in FlexIO, which can emulate serial protocols in hardware while the Cortex M0+ sleeps. Combine FlexIO with DMA-friendly peripherals such as timers/PWM, ADC and comparators to reduce ISR load and eliminate external bridges.

For low end HMI nodes (icons, meters, segmented numerics) how do I keep BOM simple and PCB small without a parallel LCD controller?

Use MCX C14x, C24x or C44x with integrated SLCD drive for direct segment control and low-power run and sleep states, keeping the UI readable at microamp currents. Pair SLCD with ADC and PWM for metering or appliance UIs and validate on FRDM-MCXC444 using MCUXpresso examples.

We’ll start bare metal on a tiny flash footprint, then scale to more memory and interfaces without respinning the board. Is there a stable migration path?

MCX C spans C04x to C14x to C24x to C44x with 32–256 KB Flash and up to 32 KB SRAM, maintaining a consistent peripheral set including USB, SLCD, ADC and timers plus package options so you can reuse pinouts and drivers. Start with MCX C041 for entry and scale to MCX C444 as features grow; MCUXpresso ensures SDK and driver continuity.

What accelerates rapid first-pass bring-up such as pin mux, clocks, USB or SLCD initialization and power measurements without building multiple disjoint toolchains?

The MCX C platform integrates with the MCUXpresso Developer Experience using ready drivers, configuration tools and code examples. Use FRDM-MCXC041 or FRDM-MCXC444 for out-of-box USB device, SLCD, ADC and low-power demos with MCU Link debug and expansion headers.

MCX C系列微控制器

MCX C系列MCU搭载Arm®Cortex®-M0+内核，主频高达48MHz，旨在提高能效和成本效益，是通用应用的理想选择。该系列MCU具有USB和段式LCD选项，可满足多种需求。MCX C系列扩展了恩智浦MCU中的经典IP，提供灵活且可扩展的内存和封装。

通过MCUXpresso Developer Experience加快MCX C的部署，提供工具和支持，助力您进行快速原型制作与部署。

产品
主要特性
设计资源
文档

主要特性

可扩展性和平衡的性能

MCX C系列高度可扩展，在成本、性能和功耗之间实现了良好的平衡。

自主式低功耗外设

自主式外设能够减轻内核的负载，实现节能和电源模式，当内核处于睡眠状态时保持智能外设的运行。

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 C系列：奠定未来创新的基石

MCX C MCU提供USB和段式LCD支持等功能，是多种通用应用的理想选择。这些MCU注重通用性，能够满足当今不断发展的技术需求，提供所需的性能和可扩展性。

MCX C系列产品

系列	速度	闪存	SRAM	USB	SLCD	通用IO
C04x	48MHz	32KB	2KB	N/A	N/A	多达22个
C14x/24x/44x	48MHz	高达256KB	高达32KB	可选	可选	多达54个

产品长期供货计划承诺

数字信号控制器可以通过产品长期供货计划来支持您当前、未来及以后的发展。产品长期供货计划保障嵌入式设计的稳定供货。

了解详情

设计资源

开发板

FRDM-MCXC444开发板

具有标准的规格和接头，便于连接MCU的输入/输出端口，并内置了MCU-Link调试器，带有USB-C线。

视频

从8位升级：全面认识MCX C系列微控制器

通过实际演示探索MCX C系列如何简化从8位微控制器的升级过程，全面展现其强大性能、简洁设计、通用性与物联网适配能力。

文章

性能升级：迁移至MCX C 32位MCU的五大理由

探究为何开发人员纷纷从8位微控制器转向32位架构。

MCX C系列简介：使用高能效、高性价比的MCU提升设计

恩智浦推出了MCX C系列，扩展了MCX微控制器。MCX C的低成本设计、高能效性能和强大功能增强了整个MCX产品组合。

阅读博文

文档

MCX C系列简介

了解MCX C系列的优势和功能如何助力您加快下一个项目。

查看产品简介

MCX C的亮点

了解MCX C系列的高级特性和功能。

阅读手册