That core speed, paired with 256 KB Flash and 48 KB RAM, suits mid-complexity motor-control, industrial-communication gateway, and multi-sensor acquisition nodes where the DSP extension handles FFT or filter math without an external coprocessor. The 33-channel 16-bit ADC array captures up to 33 analog inputs — enough for a three-phase motor drive with current-sense resistors on each phase plus a handful of temperature and voltage monitors, all sampled without an external mux. The single 12-bit DAC provides one analog output for setpoint or trim voltage generation. USB OTG on the connectivity list means the part can act as either host or device, useful for field-update dongles or direct PC connection during development without a separate USB-to-serial bridge.
NXP MK22FN256VLL12 Kinetis K20 MCU, ARM Cortex-M4 120MHz
MPNMK22FN256VLL12
Active
NXP Kinetis K20 series MK22FN256VLL12, ARM Cortex-M4 120MHz, 256KB Flash, 48KB RAM, 33x16b ADC, 1x12b DAC, USB OTG, 66 I/O, 1.71–3.6V, -40 to 105°C, 100-LQFP tray.
$14.3300Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Kinetis K20 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 120MHz |
| Package | Tray |
| RAM size | 48K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, I²S, LVD, POR, PWM, WDT |
| Connectivity | I²C, IrDA, SPI, UART/USART, USB, USB OTG |
| Number of i (O) | 66 |
| Core processor | ARM® Cortex®-M4 |
| Case | 100-LQFP |
| Data converters | A/D 33x16b; D/A 1x12b |
| Program memory size | 256KB (256K x 8) |
Product details
Frequently asked questions
What is the core speed of the MK22FN256VLL12?
The MK22FN256VLL12 runs at 120 MHz from an ARM Cortex-M4 core with single-cycle MAC and FPU.