The MCX4421A ACAN is a microcontroller with an integrated ACAN (Automotive CAN) controller, designed for automotive and industrial applications. Key attributes of this model include its advanced features, compact size, and high performance capabilities.

The MCX4421A ACAN is equipped with a 32 bit RISC CPU, providing efficient processing power for complex tasks. The ACAN controller supports up to 12 ACAN channels, each with its own set of parameters, allowing for flexible communication configurations. Additionally, it offers two UARTs, SPI, I2C, and ADC interfaces to facilitate connectivity with various external devices.

In terms of memory, the MCX4421A ACAN comes with 4MB of flash memory and 256KB of RAM, providing ample space for storing program code and handling data. This microcontroller also supports external memory expansion, further increasing storage capabilities if needed.

Power supply options include a 2.7V to 5.5V operating range, making it suitable for various systems. The MCX4421A ACAN is also designed to meet AEC Q100 grade 2 automotive quality standards, ensuring reliable performance and durability in harsh automotive environments.

When it comes to energy efficiency, this microcontroller delivers excellent performance with its low power consumption features. It includes various power saving modes, such as sleep and deep sleep modes, allowing for reduced power usage when not in active operation.

In terms of packaging, the MCX4421A ACAN is available in a 48 pin LQFP package, which offers a good balance between size and pin count. This compact package is suitable for space constrained applications while still providing easy access to all necessary pins.

In summary, the MCX4421A ACAN microcontroller is an excellent choice for automotive and industrial applications that require high performance, flexible communication options, and energy efficient operation. Its advanced features, combined with its compact size and automotive grade quality, make it an ideal solution for developers looking to implement ACAN communication in their projects.