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NXP has just announced the launch of the MCX A series Arm Cortex-M33 microcontrollers with the MCX A14x running up to 48 MHz and the MCX A15x running up to 96 MHz. The devices support up to 128KB flash and 32KB SRAM, offer I2C, I3C, and SPI sensor interfaces, and integrate support for BLDC/PMSM motor control.
NXP first unveiled the NXP MCX general-purpose Arm MCU family with 30 times faster machine learning at Embedded World 2022, but at the time we had limited information although four series were planned with the MCX N Advanced series up to 250 MHz, the MCX A essential series up to 96 MHz, the MCX W Wireless series with Bluetooth LE, and the MCX L Low-power series. The MCX A series has just been launched, and the high-end MCX N also has its own product page with the N94x and N54x variants. We’ll focus on the MCX A14x and A15x microcontrollers and development boards in this post.
Based on my look at the specifications and datasheet, the only difference between A14x and A15x is indeed to max frequency (48 MHz vs 96 MHz) and both are offered with the same range of packages through A142/A413 and A152/A154 microcontrollers. Parts A1x3 parts come with 128KB flash, while A1x2 parts only feature 64KB.
While the MCX N series is suitable for HMI and Ethernet communication applications with higher memory requirements, the MCX A series looks to be cost-optimized and NXP says it offers a ” good balance between cost, performance, and power consumption”. The peripherals are autonomous meaning they can take the load off the Cortex-M33 core when it is in sleep mode for power-saving.
Software development can be done through the MCUXpresso IDE and SDK with support for secure provisioning, configuration tools, and Zephyr RTOS. Code samples can be found in the new Application Code Hub. NXP also launched the FRDM-MCXA153 development board for evaluation and early firmware development.
Target applications for the MCX A14x and A15x microcontroller include industrial and consumer IoT devices, industrial communications, Smart Metering, motor control, automation & control, and sensors. Pricing starts at 92 cents per unit for 10K orders, while the FRDM-MCXA152 development board only costs $15 with a USB-C cable and a quick start guide. You’ll find more details including documentation, software development tools, and purchase links on the product page. A few more details may also be found in the press release.
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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“The devices support up to 128 MB flash and 32MB SRAM” Typos. Should be kB not MB.
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