C9KEAZ128AMLH

Overview

The C9KEAZ128AMLH is a 32-bit microcontroller from the NXP Kinetis KEA series, built on an ARM Cortex-M0+ core. It operates at a maximum frequency of 48 MHz and includes 128 KB of Flash memory, 16 KB of RAM, and 256 B of EEPROM. The device supports a supply voltage range of 2.7 V to 5.5 V and functions within an ambient temperature range of -40°C to 125°C. It features a 64-pin LQFP package with 58 available I/O lines.

Feature Summary

• Integrated automotive-grade reliability with high EMC/ESD compatibility for robust operation in demanding environments.
• Includes a 16-channel 12-bit SAR ADC with hardware triggers and internal reference for precise analog signal acquisition.
• Features multiple communication interfaces including CAN, SPI, UART, and IIC for versatile system connectivity.
• Supports sensorless BLDC motor control applications through dedicated peripheral blocks and timer modules.

Applications

• Automotive body electronics and gateway controllers
• Sensorless brushless DC (BLDC) motor drives
• Industrial control systems requiring high reliability
• Cost-sensitive automotive infotainment subsystems

Procurement Notes

Verify the specific suffix 'C' against official NXP documentation to confirm it denotes a valid commercial grade variant or specific qualification level distinct from standard automotive grades. Ensure the ordering part number matches the exact pinout and memory configuration required for the target design to avoid compatibility issues with existing footprints.

Selection Notes

Select this component when designing systems that require automotive-grade durability combined with the energy efficiency of the Cortex-M0+ architecture. It is suitable for applications needing moderate processing power, extensive I/O capabilities, and integrated analog peripherals without the complexity of higher-end cores.

Part Context

This MCU belongs to the Kinetis EA family, which targets automotive and industrial markets with strict quality and longevity requirements. The KEA series serves as an entry-level solution within the broader Arm ecosystem, offering scalable performance and cost-effective integration for mass-produced electronic devices.

Replacement Considerations

Compatible substitutes within the same family include S9KEAZ128AMLH and S9KEAZ128ACLH. Verify if the 'C' suffix indicates a specific commercial temperature or qualification tier that differs from the standard automotive parts before substitution.