NXP Semiconductors MK22FN512CAP12R

Overview

MK22FN512CAP12R from NXP Semiconductors is a 120 MHz ARM® Cortex®-M4 microcontroller with FPU, 512 KB flash, 128 KB RAM, and 52 GPIOs in an 80-pin WLCSP package. It integrates USB LS/FS OTG 2.0 with embedded 3.3 V/120 mA LDO, dual 16-bit SAR ADCs (1.2 MS/s), and low-power operation down to 140 nA in VLLS0 mode. It targets space-constrained industrial sensor nodes requiring USB connectivity and deterministic real-time control.

For engineers reviewing the MK22FN512CAP12R datasheet, MK22FN512CAP12R pinout, MK22FN512CAP12R application, or MK22FN512CAP12R equivalent, key selection criteria include its 80-pin WLCSP footprint (4.13 × 3.56 mm, 0.4 mm pitch), USB crystal-less full-speed device support, 120 MHz M4+FPU performance (1.25 DMIPS/MHz), -40°C to +85°C operating range, and verified low-power modes including 3.8 µA static retention and 6 µs wake-up.

Technical Context

The MK22FN512CAP12R implements a multi-clock architecture with three internal oscillators (32 kHz, 4 MHz, 48 MHz), dual crystal inputs (32 kHz RTC + 3–32 MHz main), and a multi-purpose clock generator featuring both PLL and FLL for precise frequency synthesis. Its power management includes seven low-power modes (VLPR, VLPS, STOP, LLS, VLLS) with configurable wake sources and peripheral adders.

System-level integration includes a 16-channel DMA controller, independent watchdogs (external and software), hardware CRC module, 128-bit unique chip ID, and flash access control. Analog subsystem comprises two 16-bit SAR ADCs, two 12-bit DACs, two analog comparators with integrated 6-bit DACs, and accurate internal voltage reference - all supported across temperature and voltage ranges.

Key Specifications

Pinout & Package

Package: 80-ball Wafer-Level Chip Scale Package (WLCSP), 4.13 × 3.56 × 0.564 mm, 0.4 mm ball pitch, AP variant (98ASA00710D drawing). Ball grid layout supports high-density routing and thermal dissipation via bottom-side solder connections.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MK22FN256CAP12R and MK22FN512CBP12R, the MK22FN512CAP12R provides optimal balance of code storage margin, thermal dissipation, and USB-capable feature set for mid-complexity embedded systems - especially where long-term field upgradability and analog-intensive sensing coexist.

Availability

MK22FN512CAP12R is available at Aetrix Electronics and suitable for industrial sensor nodes, USB data loggers, medical wearables, smart energy meters, and portable diagnostic tools requiring stable component supply across extended product lifecycles.

Supply support for MK22FN512CAP12R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure, scalable MCUs, RF, analog, and automotive processors with strong industrial and IoT focus.

The Kinetis K22F product line targets space-constrained, cost-sensitive applications demanding low power, USB connectivity, and floating-point processing efficiency - optimized for sensor fusion, edge analytics, and USB-peripheral gateways.

FAQ

What is the maximum operating frequency of the MK22FN512CAP12R core?

The MK22FN512CAP12R features an ARM® Cortex®-M4 core with FPU rated for up to 120 MHz operation. This frequency is achievable using the PEE (PLL Engaged External) clock mode with a 3–32 MHz external crystal and internal PLL multiplication. The core delivers 1.25 DMIPS per MHz, enabling efficient execution of DSP algorithms and real-time control loops within the MK22FN512CAP12R's power envelope.

Does the MK22FN512CAP12R support USB without an external crystal?

Yes, the MK22FN512CAP12R supports USB full-speed device operation in crystal-less mode using its internal 48 MHz IRC clock source. This capability eliminates the need for an external 48 MHz crystal, reducing bill-of-materials cost and PCB area. The MK22FN512CAP12R maintains USB specification compliance for FS device timing through factory-trimmed internal oscillator calibration, confirmed in the official NXP K22F datasheet Rev. 7.

What are the low-power modes supported by the MK22FN512CAP12R?

The MK22FN512CAP12R supports seven distinct low-power modes: RUN, WAIT, STOP, VLPR, VLPS, LLS, and VLLS (with sub-modes 0–3). Its lowest active state is VLPR (Very-Low-Power Run) at 0.62 mA typical, and deepest sleep is VLLS0 at 140 nA with POR circuit enabled. All modes retain RAM content and offer configurable wake sources including GPIO, RTC alarm, and comparator events - critical for battery-operated designs using the MK22FN512CAP12R.

How many analog-to-digital converters does the MK22FN512CAP12R integrate?

The MK22FN512CAP12R integrates two independent 16-bit successive approximation register (SAR) ADC modules, each capable of 1.2 million samples per second in 12-bit mode. Both ADCs support hardware triggering, programmable sample time, and flexible channel scanning. They operate across the full 1.71–3.6 V supply range and -40°C to +85°C temperature range, making them suitable for precision sensor interfacing in the MK22FN512CAP12R-based systems.

What package type and dimensions does the MK22FN512CAP12R use?

The MK22FN512CAP12R uses an 80-ball Wafer-Level Chip Scale Package (WLCSP) designated "AP" variant, with mechanical dimensions of 4.13 × 3.56 × 0.564 mm and 0.4 mm ball pitch. Its package drawing is documented as 98ASA00710D. This ultra-compact, bottom-terminal package enables high-density PCB layouts ideal for space-constrained applications such as wearables and miniaturized industrial sensors built around the MK22FN512CAP12R.