The MK21FN1M0VLQ12 is a 32-bit Kinetis K2x Microcontroller with USB control, based on ARM Cortex-M4 RISC architecture core operates at a maximum frequency of 120MHz. The device incorporates 1MB internal flash, 128kB internal RAM, two 16-bit SAR A/D converter, two 12-bit D/A converter and 104 general-purpose I/O pins. This device also features communication interfaces like six UART modules, three SPI modules, three I2C modules and one I2S module.
ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
Multiple low-power modes - low leakage wakeup unit
Memory protection unit with multi-master protection
16-channel DMA controller
External watchdog monitor
Software watchdog
3 to 32MHz and 32kHz Crystal oscillator
PLL, FLL and multiple internal oscillators
Hardware CRC module
Tamper detect and secure storage
Hardware random-number generator
Hardware encryption
128-bit Unique identification (ID) number per chip
USB Full-/low-speed On-the-Go controller
USB device charger detect (USBDCD)
Controller area network (CAN) module
Secure digital host controller (SDHC)
Two 8-channel Flex-timers (PWM/motor control)
Two 2-channel Flex-timers (PWM/quad decoder)
Periodic interrupt timers and 16-bit Low-power timer