MK22FN256VLL12 Description
MK22FN256VLL12 MCUs are designed for applications that require low power flexibility and processing efficiency. By utilizing smart on-chip integration, it is possible to achieve industry-leading low power while also saving money on the bill of materials. Provides scalability with various levels of integration, offering a rich suite of analog, communication, timing, and control peripherals to accommodate a wide range of requirements Includes options that support crystal-less USB design for reduced system cost and board space Provides scalability with various levels of integration, offering a rich suite of analog, communication, timing, and control peripherals to accommodate a wide range of requirements Shares the Kinetis portfolio's broad enabling and scalability.
MK22FN256VLL12 Features
10 low-power modes with power and clock gating for optimal peripheral activity and recovery times. Stop currents of <500 nA, run currents of <200 μA/MHz, 4 μs wake-up from Stop mode
Full memory and analog operation down to 1.71 volts for extended battery life
Low-leakage wake-up unit with up to eight internal modules and 16 pins as wake-up sources in low-leakage stop (LLS)/very low-leakage stop (VLLS) modes
Low-power timer for continual system operation in reduced power state
Flash, SRAM, and FlexMemory
128 KB-1 MB flash. Fast access, high reliability with four-level security protection
FlexMemory: 32 bytes-16 KB of user-segmentable byte write/erase EEPROM for data tables/system data. EEPROM with over 10M cycles and flash with 70 μsec write time (brownouts without data loss/corruption). No user or system intervention to complete programming and erase functions and full operation down to 1.71 volts. In addition, 128 KB of FlexNVM for extra program code, data or EEPROM backup
Up to two high-speed, 16-bit analog-to-digital converters (ADCs) with configurable resolution. Single or differential output mode operation for improved noise rejection. 500 ns conversion time achievable with programmable delay block triggering
Up to two 12-bit digital-to-analog converters (DACs) for analog waveform generation for audio applications
Up to three high-speed comparators provide fast and accurate motor over-current protection by driving PWMs to a safe state
Analog voltage reference provides an accurate reference to analog blocks, ADC and DAC, and replaces external voltage references to reduce system cost
ARM Cortex-M4 core + DSP. 120 MHz, single-cycle MAC, single instruction multiple data (SIMD) extensions, single-precision floating point unit
Up to 16-channel DMA for peripheral and memory servicing with reduced CPU loading and faster system throughput
Cross bar switch enables concurrent multi-master bus accesses, increasing bus bandwidth
Independent flash banks allow concurrent code execution and firmware updating with no performance degradation or complex coding routines
Up to four FlexTimers with a total of 20 channels. Hardware dead-time insertion and quadrature decoding for motor control
Carrier modulator timer for infrared waveform generation in remote control applications
Four-channel 32-bit periodic interrupt timer provides a time base for RTOS task scheduler or trigger source for ADC conversion and programmable delay block
Up to 16 controllable GPIO with pin interrupt support
USB 2.0 On-The-Go (full-speed). Device charge detection optimizes charging current/time for portable USB devices enabling longer battery life. Low-voltage regulator supplies up to 120 mA off-chip at 3.3 volts to power external components from 5 volts input
Up to six UARTs with IrDA support including one UART with ISO7816 smart card support. Variety of data size, format and transmission/reception settings supported for multiple industrial communication protocols
Inter-IC Sound (I2S) serial interface for audio system interfacing
CAN module for industrial network bridging
MK22FN256VLL12 Applications
