The MK20DX256VLL7 is a 32-bit Kinetis K2x MICrocontroller with USB control, based on ARM Cortex-M4 RISC architecture core operates at a maximum frequency of 72MHz. The device incorporates 288kB internal flash, 66kB internal RAM, 2kB EEPROM, two 16-bit SAR A/D converter, one 12-bit D/A converter and 66 general-purpose I/O pins. This device also features communication interfaces like five UART modules, two SPI modules, two I2C modules and one I2S module.
ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
Serial programming interface (EzPort)
3 to 32MHz Crystal oscillator and 32kHz Crystal oscillator
Multi-purpose clock generator
Multiple low-power modes to provide power optimization based on application requirements
Memory protection unit with multi-master protection
16-channel DMA controller, supporting up to 63 request sources
External watchdog monitor
Software watchdog
Low-leakage wakeup unit
Hardware CRC module to support fast cyclic redundancy checks
128-bit Unique identification (ID) number per chip
Low-power hardware touch sensor interface (TSI)
General-purpose input/output
Programmable gain amplifier (PGA) integrated into each ADC
Three analog comparators (CMP) containing a 6-bit DAC and programmable reference input
Voltage reference
Programmable delay BLOCK
8-channel Motor control/general purpose/PWM timer
Two 2-channel quadrature decoder/general purpose timers