Overview
The MK21DN512AVMC5 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, processing efficiency, and extensive tamper protection. It is based on the 50 MHz ARM® Cortex®-M4 core, which includes DSP instructions and delivers 1.25 Dhrystone MIPS per MHz. The microcontroller is particularly suited for applications such as Electronic Point of Sales and other secure transaction systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 50 MHz ARM® Cortex®-M4 with DSP instructions |
| Memory | Up to 512 KB of program flash, up to 64 KB of SRAM, 64 KB FlexNVM, and 4 KB FlexRAM |
| Power Consumption | Run power: 189 μA/MHz, Static power: 3.1 μA with full state retention and 6 μs wakeup, Lowest Static mode: 359 nA |
| USB | USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator |
| Operating Voltage | 1.71 to 3.6 V |
| Temperature Range | –40 to 105°C |
| Package | 121 BGA, 8 x 8 x 1.4 mm, Pitch 0.65 mm |
| Communication Interfaces | USB full-/low-speed On-the-Go controller, SPI, I2C, UART, I2S |
| Timers | 8-channel motor control/general purpose/PWM timers, 2-channel general purpose timers, 32-bit PITs, 16-bit low-power timer |
| Analog Modules | 16-bit SAR ADC, two analog comparators (CMP), 12-bit DAC, voltage reference |
| Security Features | Hardware CRC module, tamper detect and secure storage, hardware random-number generator, hardware encryption (DES, 3DES, AES, MD5, SHA-1, SHA-256) |
Key Features
- DryIce Tamper Detection with active/passive pin, temperature, clock, and supply voltage monitoring
- Multiple low-power modes including run, wait, stop, and VLPS (Very Low Power Stop) modes
- 16-channel DMA controller and external watchdog monitor
- Hardware encryption supporting various algorithms (DES, 3DES, AES, MD5, SHA-1, SHA-256)
- 128-bit unique identification (ID) number per chip
- Rich suite of analog, communication, timing, and control peripherals
Applications
The MK21DN512AVMC5 is ideal for various applications that require secure and efficient processing. Key applications include:
- Electronic Point of Sales (POS) systems
- Secure transaction systems
- Industrial control systems requiring low power and high security
- Medical devices that need robust security and low power consumption
- Automotive systems requiring secure data processing
Q & A
- What is the core frequency of the MK21DN512AVMC5 microcontroller?
The core frequency is up to 50 MHz. - How much flash memory does the MK21DN512AVMC5 have?
Up to 512 KB of program flash. - What are the power consumption characteristics of this microcontroller?
Run power consumption down to 189 μA/MHz, Static power consumption down to 3.1 μA with full state retention and 6 μs wakeup, and Lowest Static mode down to 359 nA. - Does the MK21DN512AVMC5 support USB connectivity?
Yes, it supports USB LS/FS OTG 2.0 with an embedded 3.3 V, 120 mA LDO voltage regulator. - What are the operating voltage and temperature ranges for this microcontroller?
The operating voltage range is 1.71 to 3.6 V, and the temperature range is –40 to 105°C. - What security features does the MK21DN512AVMC5 offer?
It includes hardware CRC module, tamper detect and secure storage, hardware random-number generator, and hardware encryption supporting DES, 3DES, AES, MD5, SHA-1, and SHA-256 algorithms. - What types of communication interfaces are available on this microcontroller?
USB full-/low-speed On-the-Go controller, SPI, I2C, UART, and I2S. - Does the MK21DN512AVMC5 have any analog modules?
Yes, it includes a 16-bit SAR ADC, two analog comparators (CMP), a 12-bit DAC, and a voltage reference. - What is the package type and dimensions of the MK21DN512AVMC5?
The package is a 121 BGA, with dimensions of 8 x 8 x 1.4 mm and a pitch of 0.65 mm. - What are some typical applications for the MK21DN512AVMC5?
Electronic Point of Sales (POS) systems, secure transaction systems, industrial control systems, medical devices, and automotive systems.
