MK22FX512AVMC12 - 120MHz Cortex-M4F MCU, 512KB Flash | NXP
MPN: MK22FX512AVMC12 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $21.76 | $21.76 |
| 10 | $19.85 | $198.50 |
| 100 | $17.95 | $1,795.00 |
| 500 | $16.1 | $8,050.00 |
| 1,000 | $14.45 | $14,450.00 |
MK22FX512AVMC12 Overview
A microcontroller (MCU) is a single-chip processor that integrates a CPU core, program and data memory, and a configurable set of analog and digital peripherals, intended for embedded control tasks. MCUs sit within the broader semiconductor hierarchy as follows: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The K22F family in particular targets cost-sensitive applications that require Cortex-M4 DSP performance plus analog and USB integration in a small BGA footprint.
Key features include 512 KB of flash with flash swap capability, 128 KB of FlexMemory that can be allocated between EEPROM emulation and additional program flash, four 32-bit timers, two 16-bit low-power timers, a 12-channel DMA controller, multiple serial interfaces (UART, SPI, I2C), an SDHC card interface, and an integrated FlexIO peripheral. Hardware cryptographic acceleration (AES, DES, and a true random number generator) is also present in this sub-family variant. The 121-MAPBGA package offers a small 8 × 8 mm body while exposing 70+ GPIO and the full set of analog and digital peripherals.
The K22F architecture uses a Cortex-M4F core with single-cycle MAC, single-precision FPU, and a tightly-coupled memory interface that gives deterministic interrupt response. The 120 MHz clock, 1.25 DMIPS/MHz core, and DSP extensions make the device suitable for real-time control loops, audio processing, and small protocol stacks simultaneously. The on-chip voltage regulator with multiple low-power modes (Run, Wait, Stop, VLPR, VLPS, LLS, VLLSx) enables deep-sleep currents below a few microamperes when peripherals are gated off.
Typical applications include industrial control and HMI, USB peripherals, low-power instrumentation, motor control reference designs, building automation, sensor hubs, and consumer audio docks. The combination of USB 2.0 OTG with 16-bit ADC and DSP-class core is a strong fit for any USB-connected data acquisition product.
Designers should pay attention to MAPBGA PCB layout: use microvia or via-in-pad technology if possible, follow NXP's BGA escape routing recommendations, and provide a continuous ground plane underneath the device for both thermal dissipation and signal integrity. Decouple VDD with 100 nF + 4.7 µF per supply pin per the manufacturer reference design.
This page synthesizes distributor pricing, drop-in same-brand Kinetis alternatives, and practical BGA layout guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for MK22FX512AVMC12 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MK22FX512AVMC12 (same form factor and footprint) — differing in Package, Mounting Type, Program Flash, ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MK22FX512VMC12
✅ Drop-In✓ In Stock
$7.34 / Unit
View Datasheet →MK64FX512VDC12
✅ Drop-In📋 Reference alternative (not in catalog)
MK22FN512VDC12
✅ Drop-In📋 Reference alternative (not in catalog)
MK22FX512AVMC12 Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M4F (32-bit) |
| Maximum Clock Frequency | 120 MHz |
| CoreMark Score | 1.25 DMIPS/MHz |
| Program Flash | 512 KB (512K x 8) |
| FlexMemory (EEPROM/Flash) | 128 KB |
| SRAM | 128 KB |
| Operating Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature Range | -40 °C to +105 °C (industrial) |
| USB Interface | USB 2.0 OTG with integrated PHY (full-speed) |
| ADC | 2 x 16-bit SAR |
| DAC | 2 x 12-bit |
| DMA Channels | 16 channels (with channel-mux) |
| Serial Interfaces | UART, SPI, I2C, I2S, SDHC |
| Package | 121-MAPBGA (8 mm x 8 mm) |
| Mounting Type | Surface Mount (BGA) |
| Cryptographic Acceleration | AES, DES/3DES, TRNG |
| RoHS Status | Compliant |
| Family | Kinetis K22F sub-family |
MK22FX512AVMC12 121-mapbga (8 mm x 8 mm) Pin Configuration Guide
Pin configuration for MK22FX512AVMC12 (121-mapbga (8 mm x 8 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MK22FX512AVMC12.
Refer to the datasheet for full pin configuration.
Typical Applications
MK22FX512AVMC12 is suitable for 6 applications: Industrial Control and HMI, USB Peripherals and Data Acquisition, Low-Power Sensor Hubs, Motor Control Reference Designs, Building Automation and Smart Thermostats, Consumer Audio and USB Speakers.
Industrial Control and HMI
The MK22FX512AVMC12 is well-suited to industrial control and human-machine-interface (HMI) panels because its 120 MHz Cortex-M4F core delivers 1.25 DMIPS/MHz of deterministic processing for real-time control loops while the 128 KB SRAM holds RTOS context plus HMI graphics buffers. The two on-chip 16-bit SAR ADCs sample multi-channel sensor inputs (temperature, pressure, current) at >1 MSPS without an external ADC, while the integrated USB 2.0 OTG with on-chip PHY enables direct connection to a host PC for firmware updates and configuration. The 121-MAPBGA package fits in compact panel-mount designs; pair it with a 4.3-inch TFT and a touch controller such as the TI TSC2007 for a complete HMI front end.
Recommended
USB Peripherals and Data Acquisition
The on-chip USB 2.0 OTG controller with integrated PHY makes the MK22FX512AVMC12 ideal for USB peripherals and data-acquisition dongles. According to the NXP K22F datasheet, the USB block supports device, host, and OTG modes with internal pull-up/pull-down resistors and battery-charge detection per USB BC 1.2, which means no external transceiver and lower BOM cost. The 512 KB flash and 128 KB FlexMemory easily hold USB stack plus application firmware, while the 16-channel DMA streams ADC samples into USB endpoints without CPU intervention. Add an external precision ADC front end such as the LTC2358HLX-18 for high-resolution multi-channel acquisition.
Recommended
Low-Power Sensor Hubs
The MK22FX512AVMC12 supports Kinetis low-power modes (Wait, Stop, VLPR, VLPS, LLS, VLLSx) with deep-sleep currents below a few microamperes, making it a strong choice for battery-powered sensor hubs that wake on interrupt to read sensors and forward data. The Cortex-M4F DSP extensions and 16-bit ADCs let the device run on-board sensor fusion (FFT, RMS) before transmitting, while 128 KB SRAM holds data buffers. For a 3.6 V Li-SOCl2 primary cell design, pair it with a nano-power MCU supervisor such as the MAX40200 and a low-power wireless companion such as a BLE module for IoT sensor nodes.
Recommended
Motor Control Reference Designs
The 120 MHz Cortex-M4F core plus FPU handles field-oriented control (FOC) loops for brushless DC and permanent-magnet motors at PWM frequencies up to 20 kHz, while 16-bit ADCs sample phase currents simultaneously through the on-chip programmable gain amplifiers. The hardware AES and DES blocks protect proprietary motor-control firmware in field-deployed drives, and the wide 1.71 V to 3.6 V operating range lets the MCU share a 3.3 V rail with the gate driver. Add a three-phase gate driver such as the IRS2003S and current-sense amplifiers such as the LMP8640MK-H to complete a sub-1 kW BLDC drive.
Recommended
Building Automation and Smart Thermostats
The K22F combination of Cortex-M4F performance, USB connectivity, and rich analog peripherals fits building-automation controllers such as smart thermostats, BACnet nodes, and HVAC control boards. The 121-MAPBGA 8 mm × 8 mm footprint lets designers place the MCU close to sensors and relays, while the integrated USB OTG with PHY simplifies Wi-Fi module firmware updates and field commissioning. With its industrial -40 °C to +105 °C temperature range, the MK22FX512AVMC12 operates reliably in unconditioned equipment rooms, and on-chip AES protects over-the-air firmware authentication.
Recommended
Consumer Audio and USB Speakers
The MK22FX512AVMC12 USB audio class support and DSP extensions enable USB speakers, USB headsets, and docking stations. The I2S interface streams digital audio to an external DAC such as the PCM5102A, while the Cortex-M4F DSP runs EQ, volume, and mixing at zero CPU overhead. The 128 KB SRAM holds USB audio buffers plus DSP coefficient tables, and the integrated USB PHY removes a bill-of-material line compared with designs that use an external transceiver.
Recommended
Recommended Products Summary
Engineering reference data for MK22FX512AVMC12 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MK22FX512VMC12 | MK64FX512VDC12 | MK22FN512VDC12 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 121-MAPBGA (8x8 mm) | 121-MAPBGA (8x8 mm) - same | 121-MAPBGA - same | 121-XFBGA - same footprint area, different ball layout |
| Core | Cortex-M4F | Cortex-M4F | Cortex-M4F | Cortex-M4F |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB |
| FlexMemory | 128 KB | 128 KB | 128 KB | 128 KB |
| USB | USB 2.0 OTG FS (integrated PHY) | USB 2.0 OTG FS (integrated PHY) | USB 2.0 OTG HS + FS | USB 2.0 OTG FS (integrated PHY) |
| Ethernet | No | No | Yes (10/100 Mbit/s) | No |
| Silicon Revision | A (latest errata fixes) | Pre-A | D | Pre-A |
Key Differentiators
- Latest 'A' silicon revision with errata fixes (vs MK22FX512VMC12)
- Integrated USB 2.0 OTG with on-chip PHY (vs MK21FX512AVMC12)
- Wide BGA ecosystem for footprint scaling (vs MK22FX512AVLK12)
Design Notes
The 121-MAPBGA package with 0.65 mm ball pitch requires microvia or via-in-pad PCB technology for clean signal escape. Provide a continuous ground plane under the BGA for both thermal dissipation and signal integrity, and follow NXP's BGA escape routing guidelines (typically 4-mil traces and 8-mil drill microvias in a 1-2-6-2 HDI stack-up). Decouple every VDD pin with a 100 nF X7R plus a 4.7 µF ceramic capacitor placed within 3 mm of the ball.
Place a bulk 10 µF or larger tantalum/polymer capacitor near the MCU to support USB inrush during enumeration, especially when downstream devices draw up to 500 mA. The internal voltage regulator needs adequate input capacitance to stay in regulation during load steps; insufficient bulk capacitance can cause VDD core droop and brown-out resets. If you power the MCU from a noisy rail (e.g., directly from a switching converter), add a ferrite bead and additional LC filtering per the K22F reference manual.
Estimated: at 120 MHz with all peripherals enabled and 3.6 V supply, the K22F core can dissipate roughly 200-300 mW (manufacturer data needed for full SOA). With the MAPBGA-121 theta-JA around 35 °C/W on a 4-layer JEDEC PCB, expect a 7-10 °C temperature rise. For continuous full-load operation above 85 °C ambient, add thermal vias under the center ground balls and consider a small copper heatsink if free air is limited.
Do not assume the silicon revision is compatible across K22F SKUs: the 'A' revision (mk22fa12.h) and pre-A (mk22f12.h) have different DMA, MCG, SPI, UART, and USB memory maps. Mixing header files causes hard-fault on first access to a moved register. Also note that MK22FX512AVMC12 has no Ethernet or high-speed USB - if you need those, pick the MK64FX512VDC12 instead, and budget time for driver migration.
Compliance Information
Per DigiKey product listing 5154720 and the NXP product page, MK22FX512AVMC12 is RoHS-compliant and lead-free. AEC-Q100 is not applicable for this industrial-grade Kinetis K22F sub-family member; AEC-Q100 qualified Kinetis parts are designated by 'AE' or 'AM' suffixes.
