MK21DX128VMC5

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: LQFP (Low-profile Quad Flat Package)
• Essence: ARM Cortex-M4 core microcontroller
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Processor: ARM Cortex-M4
• Clock Speed: Up to 72 MHz
• Flash Memory: 128 KB
• RAM: 16 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 105
• Analog Input Pins: 16
• Communication Interfaces: UART, SPI, I2C, USB
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The MK21DX128VMC5 microcontroller has a total of 144 pins. The pin configuration is as follows:

• Pins 1-8: Analog input pins (ADC0DP0 to ADC0DM7)
• Pins 9-16: Digital I/O pins (PTA0 to PTA7)
• Pins 17-24: Digital I/O pins (PTB0 to PTB7)
• Pins 25-32: Digital I/O pins (PTC0 to PTC7)
• Pins 33-40: Digital I/O pins (PTD0 to PTD7)
• Pins 41-48: Digital I/O pins (PTE0 to PTE7)
• Pins 49-56: Communication interface pins (UART0RX to UART0CTS)
• Pins 57-64: Communication interface pins (UART0RTS to UART1RX)
• Pins 65-72: Communication interface pins (UART1TX to UART1CTS)
• Pins 73-80: Communication interface pins (UART1RTS to SPI0SOUT)
• Pins 81-88: Communication interface pins (SPI0SCK to SPI0PCS3)
• Pins 89-96: Communication interface pins (SPI1SOUT to SPI1PCS3)
• Pins 97-104: Communication interface pins (I2C0SCL to I2C0SDA)
• Pins 105-112: Communication interface pins (I2C1SCL to I2C1SDA)
• Pins 113-120: Power and ground pins
• Pins 121-128: External interrupt pins (EXTAL0 to XTAL32)
• Pins 129-136: Reset and debug pins (RESETb, SWDCLK, SWDDIO, NMIb)
• Pins 137-144: Reserved for future use

Functional Features

• High-performance ARM Cortex-M4 core for efficient processing
• Low-power consumption for extended battery life in portable devices
• Integrated peripherals such as UART, SPI, I2C, and USB for seamless communication
• Analog input pins for sensor interfacing and data acquisition
• Flash memory for program storage and RAM for data storage
• Wide operating voltage range for flexibility in various applications
• Temperature range suitable for both industrial and consumer electronics

Advantages and Disadvantages

Advantages: - Powerful ARM Cortex-M4 core enables high-performance computing - Integrated peripherals simplify hardware design and reduce component count - Low-power consumption extends battery life in portable devices - Wide operating voltage range allows compatibility with different power sources

Disadvantages: - Limited flash memory and RAM may restrict the complexity of applications - Availability and pricing may vary based on supplier and market demand

Working Principles

The MK21DX128VMC5 microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, processes data using its integrated peripherals, and communicates with external devices through various communication interfaces. The microcontroller's pins are configured to provide digital I/O, analog input, communication, and other functionalities as required by the application.

Detailed Application Field Plans

The MK21DX128VMC5 microcontroller finds applications in a wide range of fields, including:

1. Embedded systems: Used in industrial automation, robotics, and control systems.
2. Internet of Things (IoT) devices: Enables connectivity and data processing in smart home devices, wearables, and environmental monitoring systems.
3. Consumer electronics: Powers various electronic devices such as smartphones, tablets, and gaming consoles.
4. Automotive: Used in automotive control units, infotainment systems, and driver assistance systems.
5. Medical devices: Enables data acquisition and processing in medical equipment and patient monitoring systems.

Detailed and Complete Alternative Models

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