Overview
The MK21DN512AVLK5 is a microcontroller from NXP USA Inc., part of the Kinetis K21D sub-family. This device is optimized for cost-sensitive applications that require low power consumption, USB connectivity, and extensive tamper protection. It is based on the ARM® Cortex®-M4 core, which provides high processing efficiency and a range of peripherals to support various applications.
Key Specifications
| Parameter | Description | Min. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | Supply voltage | 1.71 | 3.6 | V |
| Analog Supply Voltage (VDDA) | Analog supply voltage | 1.71 | 3.6 | V |
| Input High Voltage (VIH) | Input high voltage | 0.7 × VDD | 0.75 × VDD | V |
| Input Low Voltage (VIL) | Input low voltage | 0.35 × VDD | 0.3 × VDD | V |
| Temperature Range | Ambient temperature range | –40 | 105 | °C |
| Flash Memory | Program flash memory | Up to 512 KB | ||
| SRAM | Static RAM | Up to 64 KB | ||
| Package | Package type | 80 QFP | ||
| Moisture Sensitivity Level (MSL) | Moisture sensitivity level | 3 (168 hours) |
Key Features
- ARM® Cortex®-M4 Core: Up to 50 MHz with DSP instructions, delivering 1.25 Dhrystone MIPS per MHz.
- Memory: Up to 512 KB of program flash, up to 64 KB of SRAM, 64 KB FlexNVM, and 4 KB FlexRAM.
- Low Power Consumption: Run power consumption down to 189 μA/MHz and static power consumption down to 3.1 μA with full state retention.
- USB Connectivity: USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator.
- Tamper Detection: DryIce Tamper Detection with active/passive pin, temperature, clock, and supply voltage monitoring.
- Security Modules: Hardware CRC module, secure storage, hardware random-number generator, and hardware encryption supporting DES, 3DES, AES, MD5, SHA-1, and SHA-256 algorithms.
- Communication Interfaces: USB full-/low-speed On-the-Go controller, two SPI modules, two I2C modules, four UART modules, and an I2S module.
- Analog Modules: 16-bit SAR ADC and two analog comparators (CMP).
- Timers and Clocks: 8-channel motor control/general purpose/PWM timers, two 2-channel general purpose timers, 32-bit PITs, and 16-bit low-power timer.
Applications
- Electronic Point of Sales (POS): The device is optimized for applications requiring extensive tamper protection.
- Industrial Automation: Suitable for low-power, high-efficiency applications in industrial automation.
- Medical Devices: Can be used in medical devices that require low power consumption and robust security features.
- Consumer Electronics: Ideal for consumer electronics that need USB connectivity and low power consumption.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require efficient processing and low power consumption.
Q & A
- What is the core architecture of the MK21DN512AVLK5?
The MK21DN512AVLK5 is based on the ARM® Cortex®-M4 core.
- What is the maximum clock speed of the MK21DN512AVLK5?
The maximum clock speed is up to 50 MHz.
- How much flash memory does the MK21DN512AVLK5 have?
The device has up to 512 KB of program flash memory.
- What are the power consumption characteristics of the MK21DN512AVLK5?
The device has a run power consumption down to 189 μA/MHz and static power consumption down to 3.1 μA with full state retention.
- Does the MK21DN512AVLK5 support USB connectivity?
Yes, it supports USB LS/FS OTG 2.0 with an embedded 3.3 V, 120 mA LDO voltage regulator.
- What security features does the MK21DN512AVLK5 offer?
The device includes hardware encryption, secure storage, and tamper detection with active/passive pin, temperature, clock, and supply voltage monitoring.
- What communication interfaces are available on the MK21DN512AVLK5?
The device includes USB full-/low-speed On-the-Go controller, two SPI modules, two I2C modules, four UART modules, and an I2S module.
- What is the temperature range for the MK21DN512AVLK5?
The ambient temperature range is –40 to 105°C.
- Is the MK21DN512AVLK5 compliant with RoHS and other environmental directives?
Yes, the device is compliant with EU RoHS, ELV, and China RoHS directives.
- What is the moisture sensitivity level (MSL) of the MK21DN512AVLK5?
The MSL is 3 (168 hours).
