MK21FX512VMC12

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, industrial automation
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 144-LQFP
• Essence: ARM Cortex-M4 core with 512KB Flash memory and 96KB RAM
• Packaging/Quantity: Tray packaging, available in bulk quantities

Specifications

• Microcontroller: MK21FX512VMC12
• Core: ARM Cortex-M4
• Flash Memory: 512KB
• RAM: 96KB
• Operating Voltage: 1.71V to 3.6V
• Operating Frequency: Up to 72MHz
• Digital I/O Pins: 80
• Analog Input Pins: 16
• Communication Interfaces: UART, SPI, I2C, CAN, USB
• ADC Resolution: 16-bit
• PWM Channels: 8
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The MK21FX512VMC12 microcontroller has a total of 144 pins. The pin configuration is as follows:

• Pin 1: VSSA (Analog Ground)
• Pin 2: VDDA (Analog Power Supply)
• Pin 3: VREFH (High Voltage Reference)
• Pin 4: VREFL (Low Voltage Reference)
• ...
• Pin 143: PTC7 (General Purpose I/O)
• Pin 144: RESET_b (Reset Pin)

For the complete pin configuration, please refer to the datasheet.

Functional Features

• High-performance ARM Cortex-M4 core for efficient processing
• Large Flash memory and RAM for storing and executing complex applications
• Integrated peripherals such as UART, SPI, I2C, CAN, and USB for seamless communication
• 16-bit ADC for accurate analog signal acquisition
• PWM channels for precise control of motors and actuators
• Low-power consumption for extended battery life
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages

• Powerful ARM Cortex-M4 core enables high-performance computing
• Ample Flash memory and RAM provide sufficient storage and execution space
• Integrated peripherals simplify system design and reduce external component count
• 16-bit ADC ensures accurate analog signal conversion
• Low-power consumption extends battery life in portable applications
• Wide operating temperature range allows usage in harsh environments

Disadvantages

• Limited number of digital I/O pins may restrict the connectivity options in complex systems
• Higher cost compared to lower-end microcontrollers with similar specifications
• Steeper learning curve for beginners due to the complexity of the ARM Cortex-M4 architecture

Working Principles

The MK21FX512VMC12 microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its Flash memory and utilizes the integrated peripherals to interact with the external world. The core's high-performance computing capabilities enable efficient processing of complex algorithms and real-time tasks. The microcontroller communicates with other devices through various interfaces like UART, SPI, I2C, CAN, and USB. It can also acquire analog signals using its built-in 16-bit ADC and generate precise control signals using the PWM channels.

Detailed Application Field Plans

The MK21FX512VMC12 microcontroller finds applications in various fields, including:

1. Embedded Systems: Used in consumer electronics, home automation, and wearable devices.
2. Internet of Things (IoT): Enables connectivity and control in IoT devices such as smart homes, industrial monitoring systems, and healthcare devices.
3. Industrial Automation: Provides control and monitoring capabilities in industrial machinery, robotics, and process automation systems.

Detailed and Complete Alternative Models

1. MK21FN1M0VMC12: Similar to MK21FX512VMC12 but with 1MB Flash memory.
2. MK22FN512VLH12: Offers similar features with additional cryptographic acceleration.
3. MKL26Z256VLL4: Lower-end microcontroller with reduced Flash memory and RAM capacity.

These alternative models provide options based on specific project requirements and cost considerations.

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