MK21FX512AVMD12

Microcontrollers Overview

The MK21FX512AVMD12 is a microcontroller from the NXP Kinetis K21F sub-family, built on an ARM Cortex-M4 core with a floating-point unit. It features up to 512 KB of flash memory and 128 KB of SRAM, operating at a maximum frequency of 120 MHz. The device includes USB full-/low-speed OTG capabilities, multiple communication interfaces such as CAN, SPI, I2C, and UART, and analog modules including two 16-bit ADCs and two 12-bit DACs. It supports low-power modes and offers tamper detection for security.

Microcontrollers Feature Summary

• Integrates hardware encryption and DryIce tamper detection with active/passive pin monitoring.
• Supports extensive low-power management with multiple stop modes and low leakage wakeup units.
• Includes high-performance analog peripherals like dual 16-bit SAR ADCs and dual 12-bit DACs.
• Provides comprehensive connectivity through USB OTG, CAN, SDHC, and various serial communication interfaces.

Microcontrollers Applications

• Electronic Point of Sales (EPOS) systems
• Cost-sensitive applications requiring USB connectivity
• Low-power embedded control systems

Microcontrollers Procurement Notes

Verify the specific package type and pin count against your PCB design requirements. Confirm that the voltage range and temperature specifications meet your system's operational environment. Ensure compatibility with existing firmware development tools and libraries for the Kinetis K21 family.

Microcontrollers Selection Notes

Choose this component if your application requires a balance of processing power and low power consumption. The integrated USB controller and security features make it suitable for connected devices needing data integrity. Consider the available I/O count and peripheral set to ensure it meets all interface requirements without external components.

Microcontrollers Part Context

This part belongs to the Kinetis K21F sub-family, which is optimized for cost-sensitive applications. It shares scalability and enablement features with the broader Kinetis family. The K21 series focuses on providing efficient processing with a floating-point unit while maintaining robust security and connectivity options.

Microcontrollers Replacement Considerations

MK21FN1M0AVMC12

Microcontrollers FAQ

What is the maximum operating frequency of the MK21FX512AVMD12?

The maximum operating frequency is 120 MHz.

Does this microcontroller support USB On-The-Go?

Yes, it includes a USB full-/low-speed On-the-Go controller.

What security features are included in this device?

It features DryIce Tamper Detection, hardware encryption, a hardware random-number generator, and secure storage.