MK21DX256AVMC5

Microcontrollers Overview

The MK21DX256AVMC5 is an ARM Cortex-M4 microcontroller from the Kinetis K21 sub-family, featuring a 50 MHz CPU core with DSP instructions. It includes 256 KB of program flash and 32 KB of RAM. The device supports USB full-/low-speed On-the-Go functionality and operates within a voltage range of 1.71 V to 3.6 V across an ambient temperature range of -40°C to 105°C.

Microcontrollers Feature Summary

• Hardware encryption supporting DES, 3DES, AES, MD5, SHA-1, and SHA-256 algorithms
• DryIce tamper detection and secure storage capabilities
• Integrated 16-bit SAR ADC and analog comparators with programmable reference input
• Multiple low-power modes for optimized power consumption

Microcontrollers Applications

• Security-sensitive embedded systems requiring anti-tamper protection
• USB-enabled devices utilizing full-/low-speed On-the-Go controllers
• Applications demanding hardware-accelerated cryptographic operations
• Battery-powered systems leveraging extended low-voltage operation

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm package type, temperature rating, and silicon revision. Ensure compatibility with required interface standards and memory configurations before procurement. Cross-reference part numbers with authorized distributors to validate authenticity and traceability.

Microcontrollers Selection Notes

Select this component when a balance of security features, USB connectivity, and moderate processing performance is required. Consider the 50 MHz clock speed and available memory size relative to application complexity. Evaluate the need for specific analog peripherals and low-power mode requirements during system design.

Microcontrollers Part Context

This microcontroller belongs to the Kinetis K21 family, designed for cost-effective applications requiring robust security and low power consumption. It integrates an ARM Cortex-M4 core with DSP extensions, providing efficient processing capabilities for various embedded control tasks while maintaining a compact footprint.

Microcontrollers Replacement Considerations

Consult official NXP documentation for verified substitute part numbers within the K21 series or compatible families. Ensure any replacement maintains identical pinout, memory configuration, and operating specifications to guarantee seamless integration without redesigning the host system.