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MK20DX64VFT5 - Kinetis K20 ARM Cortex-M4 MCU, 50MHz, 64KB Flash | NXP
MK20DX64VFT5

MK20DX64VFT5 - Kinetis K20 ARM Cortex-M4 MCU, 50MHz, 64KB Flash | NXP

The NXP MK20DX64VFT5 is a Kinetis K20 sub-family 32-bit microcontroller built around the ARM Cortex-M4 core running at up to 50 MHz, integrating 64 KB of on-chip Flash and 16 KB of SRAM in a 48-pin QFN-EP (7x7 mm) package with an exposed thermal pad. The part is specified for an industrial operating temperature range of -40C to +105C and supports a 1.71 V to 3.6 V supply, suiting it to single-cell Li-Ion and 3.3 V industrial rails. Kinetis K20 microcontrollers are low-power ARM Cortex-M4 devices optimized for mixed-signal and USB-capable embedded applications. They sit within the broader Kinetis E-series family, which combines deterministic Cortex-M4 performance with low-power run, wait, and stop modes, a hardware CRC engine, and a rich mix of analog and digital peripherals. The K20 sub-family specifically targets designs that require USB 2.0 full-speed On-The-Go, segmented LCD control (option), and a small-form-factor QFN package for space-limited products. The MK20DX64VFT5 features an ARM Cortex-M4 core with single-precision FPU, 64 KB program Flash, 16 KB SRAM, 29 general-purpose I/O, a 16-bit SAR ADC, 12-bit DAC, multiple timers (FTM, PIT, LPTMR, RTC), USB-OTG (full-speed), CAN, I2C, SPI, UART, and an integrated hardware CRC module. The 48-QFN-EP package provides a low-thermal-resistance path via the exposed pad, allowing the device to deliver full 50 MHz performance in industrial enclosures. From an architecture standpoint, the K20 uses a Cortex-M4 core with a 3-stage pipeline, single-cycle MAC, and a tightly-coupled peripheral bridge that allows deterministic interrupt latency. The integrated voltage regulator and power-management controller support multiple low-power modes (Run, Wait, Stop, VLPR, VLPW, VLPS), enabling deep-sleep currents in the microamp range for battery-powered applications. Typical applications include USB human-interface devices (HID) such as keyboards, mice, and game controllers, low-power industrial sensor nodes, building automation controllers, consumer appliances with segmented LCD displays, and portable medical point-of-care instruments. Its combination of USB-OTG, low-power modes, and compact QFN-EP package also makes it a fit for wearable fitness devices and small-form-factor IoT endpoints. A key design consideration is decoupling: place a 0.1 uF ceramic capacitor as close as possible to each VDD/VSS pair, plus a bulk 4.7 uF capacitor on the main supply. The exposed pad (EP) must be soldered to a sufficiently large ground copper pour to meet -40C to +105C industrial temperature specs at full 50 MHz clock. This page synthesizes distributor pricing (as of 2026-10-19), drop-in Kinetis alternatives, and practical design notes that complement the NXP K20 reference manual and datasheet.

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MK20DX64VLH5 - 50MHz Cortex-M4 64KB MCU | NXP
MK20DX64VLH5

MK20DX64VLH5 - 50MHz Cortex-M4 64KB MCU | NXP

The NXP Semiconductors MK20DX64VLH5 is a 32-bit Kinetis K20 microcontroller built around an Arm Cortex-M4 core operating at 50 MHz, with 64 KB of flash memory and a 64-LQFP package. The verified product listing identifies 64 KB configured as 64K x 8, while the related family description identifies 16 KB SRAM and full-speed USB connectivity. Its combination of processing performance, mixed-signal peripherals, communication interfaces, timing resources, and control peripherals supports compact embedded systems that need more capability than a basic 8-bit or low-performance 32-bit MCU. A microcontroller is a semiconductor device that integrates a processor core, program memory, data memory, peripherals, and interface logic into one embedded-control component. In the hierarchy, the MK20DX64VLH5 is an MCU, a 32-bit microcontroller, and part of the Kinetis K20 family. Its Arm Cortex-M4 architecture provides a modern instruction set and deterministic control platform, while the 50 MHz operating frequency supports responsive main-loop or real-time-control execution. The verified sources specifically describe analog, communication, timing, and control peripherals, so the device is suitable for applications combining local computation with sensor acquisition and external control. The principal verified features include a 50 MHz Arm Cortex-M4 processor, 64 KB flash, 16 KB SRAM, 64-LQFP packaging, USB connectivity, and low-power operation. The 64-LQFP package is 10 mm by 10 mm according to the DigiKey listing, providing a surface-mount solution with accessible perimeter leads for board assembly and inspection. The source snippets also identify a 3.3 V device variant in distributor listings. Exact operating voltage limits, GPIO count, ADC ratings, timer channels, USB electrical limits, memory endurance, and package thermal ratings were not supplied in the verified data and are therefore not inferred here. Typical applications include USB-connected data acquisition, industrial sensing, motor and actuator control, communications equipment, test and measurement instruments, and compact consumer or embedded-control products. In these systems, the 50 MHz Cortex-M4 core can execute control software while the family’s analog, communication, timing, and control peripherals reduce the need for discrete support components. USB connectivity is particularly useful for configuration, logging, firmware update, or direct host-device communication when the board design includes the required routing and support circuitry. The main design consideration is verification of the exact electrical, pin, peripheral, and package requirements before layout. Although the verified sources identify the 64-LQFP package, they do not provide a complete pin table in the supplied text. Do not infer USB, ground, power, reset, clock, or debug assignments from generic K20 family material without checking the official datasheet and reference manual. This page distinguishes confirmed distributor and manufacturer information from missing technical details rather than estimating them.

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MK20DX64VMC7 - 72MHz Cortex-M4 MCU, 64KB Flash | NXP
MK20DX64VMC7

MK20DX64VMC7 - 72MHz Cortex-M4 MCU, 64KB Flash | NXP

The NXP MK20DX64VMC7 is a 32-bit ARM Cortex-M4 Kinetis K20 microcontroller running at 72 MHz with 64 KB flash, 16 KB SRAM, and full-speed USB OTG, housed in a 121-ball MAPBGA (8x8 mm) package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest programmable layer of an embedded system hierarchy: MCU -> embedded processor -> system-on-chip -> computing system. The Kinetis K20 sub-family sits in NXP's mid-performance 32-bit MCU portfolio, positioned between the entry-level Kinetis L (Cortex-M0+) series and the high-performance Kinetis K60/K70 families. Key features include the Cortex-M4 core with DSP instructions and single-cycle MAC for digital signal processing, 12-bit DAC and high-precision 16-bit ADC analog integration, and connectivity spanning CAN bus, I2C, SPI, UART/USART, IrDA, EBI/EMI, and USB OTG. On-chip peripherals include DMA, I2S, PWM, LVD, POR, and watchdog timer, with 70 general-purpose I/O pins. The device operates from 1.8V, 2.5V, or 3.3V supply rails and carries the flexible low-power architecture characteristic of the Kinetis family, with multiple run, wait, stop, and very-low-power modes that suit battery-operated designs. The 121-MAPBGA ball-grid package minimizes board area at 8x8 mm while supporting industrial temperature ranges. Typical applications include industrial control and automation, consumer electronics with USB connectivity, portable and battery-powered instruments, and embedded signal processing where the Cortex-M4 DSP capability accelerates filtering and FFT workloads. When designing with this part, plan ball-out usage early: the 121-ball MAPBGA footprint is fixed, and the 64 KB flash budget must accommodate USB stack plus application code. This page synthesizes distributor pricing, drop-in alternatives, parametric comparison, and practical design notes not found in the manufacturer datasheet.

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MK21DN512AVLK5 - 50MHz Cortex-M4 MCU, 512KB Flash | NXP
MK21DN512AVLK5

MK21DN512AVLK5 - 50MHz Cortex-M4 MCU, 512KB Flash | NXP

The NXP Semiconductors MK21DN512AVLK5 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K21 family running at up to 50 MHz with 512 KB of flash memory, 64 KB of SRAM, and a full-speed USB 2.0 device/controller interface, housed in an 80-pin LQFP (12x12 mm) surface-mount package. A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and a rich set of peripherals on one die, forming the lowest level of the embedded-computing hierarchy (microcontroller unit -> embedded processor -> semiconductor device). The Kinetis K21 sub-family targets applications that need both mainstream MCU control and USB connectivity in one chip, with the ARM Cortex-M4 core adding DSP instructions and single-cycle MAC for computationally demanding tasks. Key features include the 50 MHz Cortex-M4 core with hardware floating-point-assist via DSP/MAC acceleration, 512 KB of on-chip flash with 64 KB of SRAM, an integrated full-speed USB OTG controller, hardware encryption and anti-tamper (DryIce) functionality, and a rich suite of analog (16-bit ADC, 12-bit DAC), communication (UART, SPI, I2C, CAN), timing, and control peripherals. Supply voltage spans 1.8 V, 2.5 V, and 3.3 V operating rails per Arrow and distributor listings. Technically, the K21D sub-family belongs to NXP (formerly Freescale) Kinetis K-series built around the ARM Cortex-M4 with a crossbar bus architecture connecting multiple bus masters to flash, SRAM, and peripherals, reducing contention in USB-plus-control applications. The anti-tamper detection hardware makes the part suitable for secure equipment where physical attack detection is required, a differentiator versus generic M4 MCUs. Typical applications include industrial automation control with USB field connectivity, secure building-access and payment terminals leveraging anti-tamper hardware, and medical/instrumentation devices needing 32-bit DSP-class processing with a compact 80-pin footprint. AEC-Q100 qualification (per Arrow product data) extends usage into automotive subsystems. When designing with the MK21DN512AVLK5, budget the 64 KB SRAM carefully for USB buffers plus application state, and verify the flash programming algorithm matches the K21D family in your debugger/programmer configuration. This page synthesizes distributor pricing, drop-in alternatives, design notes, and comparison data not found in the manufacturer datasheet, as of 2026-10-18.

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MK21DN512VMC5 - 50MHz Cortex-M4 MCU 512KB Flash | NXP
MK21DN512VMC5

MK21DN512VMC5 - 50MHz Cortex-M4 MCU 512KB Flash | NXP

The NXP MK21DN512VMC5 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K21 sub-family operating at 50 MHz, with 512 KB of on-chip flash memory and 64 KB of SRAM, housed in a 121-ball MAPBGA (8x8 mm) package. It integrates Full-Speed USB, hardware encryption, and anti-tamper (DryIce) functionality. A microcontroller (MCU) is a single-chip embedded processor combining a CPU core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog converters. The Kinetis K21 family sits within NXP's broader Kinetis MCU portfolio, which spans entry-level to high-performance ARM-based embedded controllers used across industrial, consumer, and security-oriented designs. Key features of the MK21DN512VMC5 include the 50 MHz Cortex-M4 core with DSP instructions and single-cycle MAC, 512 KB (512K x 8) flash program memory, 64 KB SRAM, and a Full-Speed USB device controller. According to NXP product documentation, the K21 sub-family adds hardware encryption and tamper-detection capability, making it one of the few mainstream MCUs suited to security-sensitive designs. The 121-MAPBGA (8x8) package minimizes board space and enhances signal routing density. Architecturally, the K21 combines the Cortex-M4 pipeline with a rich suite of analog, communication, timing, and control peripherals, allowing a single device to handle signal acquisition, connectivity, and control duties without external glue logic. The embedded flash and SRAM are on the same die, keeping memory access deterministic. Typical applications include secure embedded systems requiring tamper detection, USB-connected industrial instruments, and compact control nodes where the 8x8 mm BGA footprint maximizes board density. Design consideration: the 0.8 mm ball pitch MAPBGA package requires controlled-impedance PCB layout with careful via fan-out; verify power and ground ball assignments in the manufacturer datasheet before routing. This page synthesizes distributor availability, drop-in family alternatives, and practical design notes not found in a single manufacturer datasheet.

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MK21DX128VLK5 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP
MK21DX128VLK5

MK21DX128VLK5 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP

The NXP MK21DX128VLK5 is a Kinetis K21 sub-family 32-bit ARM Cortex-M4 microcontroller operating at 50 MHz, integrating 128 KB of program flash and a full-speed USB controller in an 80-pin LQFP package. It combines the Cortex-M4 core with DSP instructions and a single-precision FPU, hardware encryption support, and anti-tamper detection, targeting secure embedded applications. The device operates from a 1.71 V to 3.6 V supply and supports 32 KB of SRAM for data working storage. What is a Kinetis K21 microcontroller? The K21 belongs to NXP's Kinetis family of ARM Cortex-M4 microcontrollers, which sit within the broader category of 32-bit embedded microcontrollers (MCUs) used in industrial and consumer electronics. Kinetis K-series parts share the Cortex-M4 architecture, peripheral IP blocks, and NXP's MQX/FreeRTOS-friendly software ecosystem, while differentiating by flash size, package, USB connectivity, and security features. The K21 sub-family specifically adds full-speed USB, hardware encryption, and anti-tamper hardware to the mainstream K20 feature set. Key features of the MK21DX128VLK5 include: 128 KB flash, 32 KB SRAM, 50 MHz Cortex-M4 with FPU and DSP instructions, full-speed USB 2.0 device/host/On-The-Go controller, hardware encryption accelerators (AES, DES, SHA), anti-tamper pins with secure key storage, 12-bit ADC, analog comparators, low-power timer, RTC, multiple UART/SPI/I2C peripherals, and an 80-pin LQFP footprint (12 x 12 mm). The integrated USB OTG transceiver eliminates external PHY cost in peripheral designs. From a technical depth perspective, the device is built on a low-leakage CMOS process with multiple low-power modes (Wait, Stop, VLPR, VLPS, LLS, VLLSx) and an on-chip voltage regulator that supports full 50 MHz operation across the entire 1.71-3.6 V supply range. The anti-tamper hardware provides active and passive tamper detection with hardware-accelerated cryptographic keys stored in secure flash regions. Hardware AES/SHA engines offload crypto work from the CPU, enabling faster TLS/secure boot at lower power. Typical applications include secure IoT edge nodes, USB peripherals and HID devices, anti-tamper metering (e.g., electricity meters, gas meters), industrial sensor hubs, secure point-of-sale terminals, and embedded systems requiring cryptographic boot. Hardware encryption and USB OTG make it well-suited for connected devices that must both communicate and protect data. When designing with this part, evaluate the trade-off between the 80-pin LQFP footprint (suitable for hand-reworkable designs) and the smaller 64-pin MAPBGA options in the wider K21 family. The internal voltage regulator requires a 2.2 uF + 1.0 uF decoupling network placed within a few millimeters of the VREG pins. Decouple every VDD/VSS pair with a 100 nF ceramic cap. This page synthesizes distributor pricing, drop-in same-package alternatives from the same K21 family, and practical design notes not found in the manufacturer datasheet alone.

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MK21DX128VMC5 - K21 Cortex-M4 50MHz 128KB MCU | NXP
MK21DX128VMC5

MK21DX128VMC5 - K21 Cortex-M4 50MHz 128KB MCU | NXP

The NXP (Freescale) MK21DX128VMC5 is a Kinetis K21 32-bit ARM Cortex-M4 microcontroller running at 50 MHz with 128 KB flash memory, packaged in a 121-ball MAPBGA (8x8 mm) footprint. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, RAM, and peripheral interfaces such as UART, SPI, I2C, and USB into one chip. The Cortex-M4 sits in the middle of the ARM embedded processor hierarchy, above the Cortex-M0+ and below application-class cores, adding a hardware DSP unit and single-cycle multiply-accumulate for digital signal processing. MCUs like this one are the foundation of embedded system design, powering industrial control, consumer electronics, and automotive subsystems. Key features of the K21 sub-family include the 50 MHz Cortex-M4 core with DSP instructions, 128 KB (128K x 8) on-chip flash, USB device controller, and NXP DryIce tamper-detection security technology referenced in distributor listings. Supply operation spans the 1.8V, 2.5V, and 3.3V domains noted in the Freescale datasheet listing, easing integration with both low-voltage and legacy 3.3V boards. The compact 8x8 mm MAPBGA keeps board area small while providing 121 balls of I/O for rich peripheral connectivity. Architecturally, the K21 series pairs the Cortex-M4 with NXP Kinetis peripherals, and the 128 KB flash variant targets code-space-constrained designs that still need DSP-class arithmetic, such as audio processing, sensor fusion, and closed-loop motor control. The MK21DX family also offers 256 KB flash options and an AV (superset) variant, allowing migration within the same die family when memory needs grow. Typical applications include USB-enabled embedded devices, portable instrumentation, touch-sensing user interfaces, industrial sensor nodes, and DSP-assisted control loops where the Cortex-M4 MAC unit accelerates filtering and FFT workloads. When designing with this part, note that MAPBGA ball-out routing requires via-in-pad or microvia PCB technology, so verify your fabricator capability early in the design cycle. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design guidance not found in any single datasheet, giving engineers a complete sourcing and design reference for the MK21DX128VMC5.

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MK21DX256AVLK5 - 50MHz Cortex-M4 MCU 256KB Flash | NXP
MK21DX256AVLK5

MK21DX256AVLK5 - 50MHz Cortex-M4 MCU 256KB Flash | NXP

The NXP Semiconductors MK21DX256AVLK5 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K21 (K2 USB) family running at 50 MHz, with 256 KB flash memory and 64 KB SRAM, in an 80-pin LQFP (12x12 mm) surface-mount package. Supply operation spans 1.8V, 2.5V, and 3.3V rails per NXP datasheet documentation. A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die. Within the semiconductor hierarchy, the K21 sits under the Kinetis K family of ARM-based MCUs, which in turn belongs to the broader embedded-processor product category used to build firmware-controlled electronic systems. Key features include the 50 MHz Cortex-M4 core with DSP instructions, 256 KB of on-chip flash for code storage, full-speed USB device support, and per NXP product information, hardware encryption and tamper-detection capability (DryIce) that distinguishes the K21 security-enabled variants from baseline K1x parts. Technically, the Cortex-M4 architecture provides a 3-stage pipeline, single-cycle multiply-accumulate, and Thumb-2 instruction set, making the device suitable for digital signal processing tasks alongside general control firmware. The rich peripheral suite of analog, communication, timing, and control blocks allows the chip to host complete embedded applications with minimal external circuitry. Typical applications include industrial control nodes, USB-connected instruments and Human Machine Interfaces, and secure embedded systems that benefit from the anti-tamper hardware. The industrial temperature grade and gull-wing LQFP terminals simplify both prototyping and production assembly. For design, confirm RAM sizing early: the family spans variants with different SRAM configurations, and code growth in USB-heavy applications can exhaust flash faster than expected, so plan margin or select a 512 KB flash sibling in the same footprint. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MK21DX256VMC5 - 32-Bit 50MHz Cortex-M4 MCU | NXP
MK21DX256VMC5

MK21DX256VMC5 - 32-Bit 50MHz Cortex-M4 MCU | NXP

The NXP Semiconductors MK21DX256VMC5 is a 32-bit ARM Cortex-M4 microcontroller with 256 KB of flash memory, a 50 MHz processor, and USB capability in a 121-pin MAPBGA package. It is associated with the Kinetis K21 microcontroller family and is intended for embedded applications requiring integrated USB, substantial flash storage, and broad peripheral support. The verified distributor data identifies the package as 121-MAPBGA (8x8), while another distributor describes it as a 121-LFBGA package. What is a microcontroller? A microcontroller is a semiconductor device that combines a processor core, memory, and peripherals into one integrated circuit. In the product hierarchy, the MK21DX256VMC5 is a microcontroller, embedded processor, ARM Cortex-M MCU, and Kinetis K-series device. Its integrated USB controller supports data-oriented peripheral designs, while the 256 KB flash capacity provides substantially more program storage than small general-purpose MCUs. The verified product data specifies a 32-bit architecture, ARM Cortex-M4 core, 50 MHz operating frequency, 256 KB flash, USB, and a 121-pin MAPBGA package. The available distributor record reports 7,888 pieces in stock and a unit price of $5.5282 for reference at the stated source date. Other distributor listings describe the component as a Kinetis K20 or K21 device, so the exact family designation and pin details should be confirmed against the current NXP datasheet before a new design is released. Typical uses include USB-connected embedded controllers, industrial equipment, data-acquisition modules, human-interface devices, and connected peripheral systems. The 50 MHz Cortex-M4 core provides a balance of processing capability and embedded power efficiency, while 256 KB flash allows larger firmware images and more complex application logic. The package requires careful PCB layout and thermal validation because its fine-pitch BGA construction can complicate assembly, inspection, and rework. The most important design checks are power sequencing, decoupling, USB signal integrity, clock configuration, and exposed-pad thermal management. The verified data does not provide RAM, voltage limits, GPIO count, peripheral details, temperature range, or the complete 121-pin mapping, so those parameters must be taken from the manufacturer datasheet rather than inferred. This page separates verified distributor facts from data requiring direct datasheet confirmation. This product page combines verified pricing and availability references, package identification, application guidance, and replacement-screening context that can help engineers evaluate whether the MK21DX256VMC5 belongs in an embedded USB design. It is intended as an engineering starting point, not as a substitute for the latest NXP datasheet, errata, or qualification records.

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MK21FN1M0VLQ12 - 120MHz Cortex-M4 MCU, 1MB Flash | NXP
MK21FN1M0VLQ12

MK21FN1M0VLQ12 - 120MHz Cortex-M4 MCU, 1MB Flash | NXP

The NXP Semiconductors MK21FN1M0VLQ12 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K21F sub-family, featuring 1MB of Flash memory, 128KB of SRAM, and Full-Speed USB with on-chip PHY, operating at up to 120 MHz. Housed in a 144-pin LQFP (20x20 mm) package, this MCU integrates hardware encryption, tamper detection, and a rich peripheral mix including multiple UART, SPI, I2C, ADC, DAC, and timer modules. What is a microcontroller? A microcontroller is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripheral interfaces into one package. Microcontrollers (MCUs) -> ARM Cortex-M microcontrollers -> Cortex-M4 with FPU -> Kinetis K series -> K21F sub-family. The K21F targets cost-sensitive, low-power, secure-connected applications and is positioned between the K10 (entry) and K60 (USB+Ethernet+high-speed) families within NXP's Kinetis portfolio. Key features include a Cortex-M4 core with single-precision FPU and DSP instructions, 1MB Flash for application code, 128KB SRAM for data/buffers, Full-Speed USB 2.0 device/host/OTG with on-chip transceiver, hardware AES-128 encryption, secure anti-tamper pins, a 16-bit SAR ADC with up to 24 channels, two 12-bit DACs, and a low-power segment-LCD controller option. The 144-LQFP package exposes all major peripherals for maximum design flexibility. The MK21FN1M0VLQ12 uses a Cortex-M4 core delivering 1.25 Dhrystone MIPS per MHz, with single-cycle MAC and hardware FPU for DSP workloads. The integrated power management supports multiple low-power modes (Wait, Stop, VLPR, VLPS) and an internal voltage regulator. The 1MB Flash is organized in a dual-bank arrangement for in-application programming and EEPROM emulation. Hardware AES-128 and tamper detection modules protect against software and physical attacks on connected endpoints. Typical applications include USB-connected industrial control systems, secure point-of-sale (POS) terminals, anti-tamper smart meters, low-power human-machine interfaces (HMI) with segment LCD, consumer medical devices, and home/building automation gateways. The combination of Full-Speed USB, hardware crypto, and low-power Run/Stop modes makes the part especially suited to battery-powered secure peripherals. When designing with the MK21FN1M0VLQ12, carefully review the decoupling network: place 100nF X7R capacitors as close as possible to every VDD/VSS pair, with bulk 4.7uF X5R near the regulator output. For USB, the D+/D- traces must be 90 ohm differential with no stubs; route over a continuous ground plane. Use the tamper pins to short/lock memory on intrusion, and select the boot mode via the security/boot configuration pins. This page synthesizes distributor pricing, K21/K22/K24 drop-in and migration alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select the right Kinetis K2x variant for their USB-connected secure design.

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MK21FX512AVLQ12557 - Kinetis K21 512KB Flash 120MHz Cortex-M4 | NXP
MK21FX512AVLQ12557

MK21FX512AVLQ12557 - Kinetis K21 512KB Flash 120MHz Cortex-M4 | NXP

The NXP MK21FX512AVLQ12557 is a Kinetis K21 family microcontroller built on the ARM Cortex-M4 core with a single-precision Floating-Point Unit (FPU), integrated hardware encryption and tamper detection features, and 512 KB of on-chip Flash memory. Housed in a 144-pin LQFP (20 mm x 20 mm) package, the device operates from a 1.71 V to 3.6 V supply at up to 120 MHz core clock, and integrates 128 KB of SRAM alongside a rich set of analog, communication, timing and control peripherals for industrial and automotive-grade applications. This part variant typically targets secure connectivity and low-power embedded nodes that require deterministic real-time response. A Kinetis K-series microcontroller is a low-power ARM Cortex-M4 mixed-signal MCU family from NXP Semiconductors designed for secure, cost-sensitive embedded designs. MK21FX512-class devices extend the K20 baseline with an integrated cryptographic acceleration engine (MMCAU), tamper-detection logic, and an RTC with secure key storage, placing them in the broader product taxonomy of microcontroller -> 32-bit MCU -> ARM Cortex-M MCU -> mixed-signal MCU -> secure MCU. This hierarchy matters when designers select a part for long-life industrial or metering platforms that demand hardware-accelerated encryption without an external secure element. Key specifications include a 120 MHz maximum CPU frequency, 512 KB program Flash, 128 KB SRAM, multiple low-power modes (Run, Wait, Stop, VLPR, VLPS, LLS, VLLS), a 16-bit SAR ADC, 12-bit DAC, programmable gain amplifiers, FlexTimer/PWM modules, USB 2.0 full-speed with on-chip transceiver, CAN, I2C, UART, DSPI, and I2S. Hardware encryption engines accelerate AES, DES, 3DES, SHA, MD5, and RNG operations, while integrated tamper-detection supports physical attack mitigation for metering, payment terminals, and secure peripherals. The MK21FX512AVLQ12557 architecture combines a Cortex-M4 processor with an integrated bus matrix connecting SRAM, Flash, and peripherals through a multi-layer AHB/APB fabric. The cryptographic acceleration engine (MMCAU) executes AES-128/192/256, DES, 3DES, SHA-1, SHA-256, MD5 and a true random-number generator entirely in hardware, offloading these compute-intensive tasks from the CPU. Wide supply tolerance from 1.71 V to 3.6 V and an extended industrial operating temperature range (typically -40 C to +105 C) make the part suitable for harsh-environment designs. Typical applications include industrial secure connectivity nodes, smart metering and AMI endpoints, building automation controllers, HMI panels, low-end security alarm panels, secure peripheral controllers for printers, and automotive-grade body and chassis subsystems. The integrated AES/SHA/MD5/RNG combined with tamper detection makes the part particularly well-suited to secure point-of-sale terminals and tamper-resistant IoT gateways that require hardware root-of-trust. Designers should plan for an external 32.768 kHz crystal for the RTC, follow NXP reference design recommendations for power-supply decoupling (typically 100 nF + 4.7 uF + bulk capacitors near each supply pin), and ensure the flash programming voltage rail VPP is left floating in normal operation. Engineers migrating from the K20 family must review the K21 tamper-detection and cryptography block layout differences before reuse. This page consolidates verified distributor stock and pricing data, drop-in alternatives sourced from NXP Kinetis K-series pin-compatible variants, and design notes for engineers evaluating the MK21FX512AVLQ12557 against modern Cortex-M33 alternatives or in long-lifecycle industrial BOM hardening exercises.

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MK21FX512VLQ12 - 120MHz Cortex-M4 MCU 512KB | NXP
MK21FX512VLQ12

MK21FX512VLQ12 - 120MHz Cortex-M4 MCU 512KB | NXP

The NXP Semiconductors MK21FX512VLQ12 is a 32-bit ARM Cortex-M4 microcontroller of the Kinetis K21 (120 MHz) family, delivering 120 MHz core frequency, 512 KB flash program memory plus 128 KB FlexMem (configurable flash/EEPROM), and 128 KB SRAM, housed in a 144-pin LQFP (20 x 20 mm) surface-mount package. It belongs to the Kinetis K-series MCU portfolio originally developed by Freescale Semiconductor. A microcontroller unit (MCU) is a single-chip embedded processor that integrates a CPU core, memory arrays, and a rich set of peripherals on one die, sitting within the broader hierarchy of semiconductor devices as a system-on-chip for embedded control. Unlike a general-purpose processor, an MCU executes dedicated firmware for real-time control, sensing, and connectivity tasks in a power-efficient manner. Key features of the MK21FX512VLQ12 include hardware cryptography and tamper detection for security-sensitive designs, a USB full-/low-speed On-The-Go controller with on-chip transceiver and device charger-detect capability, and a floating-point unit inherited from the Cortex-M4 core for efficient DSP and motor-control mathematics. The communication peripheral set comprises two SPI modules, two I2C modules, four UART modules, and an I2S audio interface, enabling multi-bus system designs without external expanders. Analog integration covers high-speed ADCs and comparators per the K21 sub-family datasheet, and flexible clocking supports low-power operation targets typical of cost-sensitive industrial applications. Typical applications include industrial automation and control nodes, IoT edge devices, robotics controllers, consumer appliances, and secure portable equipment where the anti-tamper and hardware encryption engine reduces bill-of-materials cost for security. Design consideration: as this device is listed NRND (Not Recommended for New Designs) by NXP, new designs should evaluate pin-compatible successors or confirm long-term supply before committing; the 144-LQFP requires careful decoupling of the multiple VDD/VSS pairs per the manufacturer datasheet. This page synthesizes distributor listings, lifecycle status, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone, with pricing verified as of 2026-10-18.

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MK21FX512VMC12-FR - 120MHz Cortex-M4 512KB MCU | NXP
MK21FX512VMC12-FR

MK21FX512VMC12-FR - 120MHz Cortex-M4 512KB MCU | NXP

The NXP MK21FX512VMC12-FR is a 32-bit Kinetis K21 series microcontroller based on the ARM Cortex-M4 core with floating point unit, running at 120 MHz, integrating 512 KB of flash memory and 121-ball MAPBGA (8x8 mm) packaging. The -FR suffix indicates Rochester Electronics authorized continuation supply of this originally Freescale Semiconductor device. A microcontroller (MCU) is a single integrated circuit that combines a processor core, non-volatile program memory, SRAM, and a rich suite of peripherals such as ADCs, timers, and communication interfaces. MCUs form the lowest tier of the embedded processing hierarchy, sitting below application processors and digital signal processors, and are the workhorse of embedded system design for industrial control, consumer products, and IoT nodes. Key features of the Kinetis K21 family include hardware encryption with tamper detection for security-sensitive designs, a comprehensive analog and communication peripheral suite, and low-power operation targeted at cost-sensitive applications. The Cortex-M4 core with DSP instructions and an FPU accelerates control loops, digital filtering, and audio processing at 120 MHz clock speed. Technically, the K21F series operates from supply voltages of 1.8V, 2.5V, or 3.3V and uses ARM's Cortex-M4 microarchitecture with Harvard bus structure. The 121-pin MAPBGA array minimizes board space and shortens interconnections, which improves signal integrity and supports compact 8x8 mm layouts with high peripheral integration. Typical applications include industrial control and automation nodes, audio processing equipment, medical monitoring devices, and IoT gateways where hardware cryptographic acceleration and low power consumption are required. When designing with this device, note the MSL 3 (168 hours) moisture sensitivity rating: the tray-packed BGA must be baked if floor-life exposure exceeds 168 hours before reflow. This page synthesizes distributor pricing, drop-in same-family alternatives, compliance data, and practical design notes not found in a single manufacturer datasheet.

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MK21FX512VMD12 - 120MHz Cortex-M4F 512KB MCU | NXP
MK21FX512VMD12

MK21FX512VMD12 - 120MHz Cortex-M4F 512KB MCU | NXP

NXP Semiconductors MK21FX512VMD12 is a 32-bit Kinetis K21 microcontroller built around an ARM Cortex-M4F processor operating at 120 MHz, with 512 KB of Flash, 128 KB of RAM, and 128 KB of FlexMem in a 144-map BGA package. The device includes USB connectivity, anti-tamper features, hardware encryption, analog peripherals, communications peripherals, timing resources, and control peripherals for embedded applications. A microcontroller is a compact programmable system containing a processor core, memory, and integrated peripherals. It executes firmware to acquire data, evaluate control logic, and operate communications or human-interface systems. The Cortex-M4F architecture belongs to the ARM Cortex-M family and combines general-purpose embedded processing with digital signal processing capabilities. Kinetis K21 devices target cost-sensitive embedded systems requiring low-power functionality and broad peripheral integration. The supplied product information identifies a 512 K × 8 Flash configuration, 512 KB program memory, 128 KB RAM, 128 KB FlexMem, a 120 MHz maximum CPU frequency, and a 144-MAPBGA package. The Mouser listing additionally identifies USB and anti-tamper functionality. The NXP product page states that the family includes hardware encryption, tamper detection, and a rich selection of analog, communication, timing, and control peripherals. The FlexMem memory can support applications that benefit from flexible nonvolatile data storage, while the USB interface supports USB-connected control or data-transfer designs. The integrated analog and timing resources can reduce the need for external components in sensing, motor-control, communications, and general industrial products. Exact peripheral assignments, electrical limits, pin functions, clock ranges, and operating-temperature limits require confirmation from the manufacturer datasheet. Typical uses include industrial control equipment, USB-enabled embedded controllers, security-aware access systems, sensor nodes, communications equipment, and compact consumer products. Because this part is identified as NRND, new designs should confirm lifecycle, availability, and migration implications with NXP before committing to production. For PCB design, use the exact 144-MAPBGA land pattern and verify every ball assignment against the datasheet before routing power, ground, communications, and debug signals. Confirm package dimensions, ball-map orientation, decoupling requirements, and exposed thermal-management requirements rather than relying on generic BGA layout assumptions. This product page consolidates the supplied manufacturer, distributor, and cross-reference information while clearly separating verified facts from parameters that require datasheet confirmation. It also highlights the need to evaluate lifecycle status, package-level compatibility, firmware support, and electrical equivalence before selecting a replacement or alternative.

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MK22DN512VDC5 - 50MHz Cortex-M4 512KB MCU | NXP
MK22DN512VDC5

MK22DN512VDC5 - 50MHz Cortex-M4 512KB MCU | NXP

The NXP Semiconductors MK22DN512VDC5 is a 32-bit ARM Cortex-M4 Kinetis K20 microcontroller operating at 50 MHz, with 512 KB of flash memory and 56 I/O pins in a 121-XFBGA (8x8 mm) package. It is designed for embedded applications requiring integrated connectivity, analog conversion, timers, and low-power control. An ARM Cortex-M4 microcontroller combines a 32-bit processor core with embedded flash, SRAM, peripherals, and communication interfaces in one integrated circuit. The Kinetis K20 family is positioned within the broader embedded MCU hierarchy, where deterministic control, low-power operation, and peripheral integration support industrial, consumer, communications, and human-interface designs. The MK22DN512VDC5 provides connectivity including I2C, IrDA, SPI, UART/USART, USB, and USB OTG. Its listed peripherals include DMA, I2S, LVD, POR, PWM, and WDT, making it suitable for designs that need multiple serial interfaces and embedded signal handling without external protocol controllers. The device also supports 1.8 V, 2.5 V, and 3.3 V operation according to the distributor specification summary. This Kinetis K20 part is identified as a 50 MHz, 32-bit MCU with 512 KB (512K x 8) flash memory and 56 I/O. Its package is a 121-pin MAPBGA, also described in distributor listings as 121-XFBGA (8x8). The BGA format supports dense routing in space-constrained embedded equipment while requiring careful PCB layout and assembly planning. Typical application areas include USB-connected embedded controllers, industrial interface modules, sensor and actuator systems, audio or I2S peripheral designs, and general-purpose embedded control platforms. The Cortex-M4 architecture is suitable for control loops, protocol handling, and moderate signal-processing tasks where real-time embedded performance is more important than high-end application-processor capability. Designers should confirm the complete electrical, timing, pin multiplexing, memory, and thermal details against the NXP datasheet before layout. In particular, BGA routing requires controlled escape geometry, reliable power and ground distribution, and assembly validation. The verified distributor data also describes the part as active, but current inventory, lifecycle notices, and package-specific manufacturing status should be reconfirmed with NXP or an authorized distributor.

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MK22DN512VLK5 - 50MHz Cortex-M4 MCU, 512KB Flash | NXP
MK22DN512VLK5

MK22DN512VLK5 - 50MHz Cortex-M4 MCU, 512KB Flash | NXP

The NXP Semiconductors MK22DN512VLK5 is a Kinetis K22 series 32-bit microcontroller built around an ARM Cortex-M4 core running at up to 50 MHz with DSP instructions, delivering 1.25 Dhrystone MIPS per MHz, with 512 KB of flash memory, 64 KB of SRAM, full-speed USB, packaged in an 80-pin LQFP (12x12 mm) surface-mount package. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the complete controller of an embedded system. Within the product hierarchy, the K22DN512 sits under the Kinetis K series of ARM Cortex-M microcontrollers, which in turn belong to the broader 32-bit MCU and system-on-chip semiconductor family. MCUs like this one replace multi-chip solutions of processor, RAM, flash, and peripheral controllers with a single, low-power device. Key features include a wide operating voltage range of 1.71 V to 3.6 V with flash write support across the same range, an ambient temperature range of -40C to +105C for industrial environments, and a rich peripheral suite covering analog, communication, timing, and control functions. The Cortex-M4 core with DSP instructions provides single-cycle MAC operations ideal for digital filtering and motor control mathematics. Architecturally, the K22 family is optimized for cost-sensitive applications needing processing efficiency and mid-range memory density. The 512 KB flash and 64 KB SRAM configuration suits applications with moderate code footprints plus USB stacks and protocol buffers. Smart on-chip integration delivers significant bill-of-materials savings by consolidating external components. Typical applications include industrial control and factory automation, medical devices and portable diagnostics, and consumer products requiring USB connectivity. The full-speed USB controller and mid-range memory density make it a natural fit for USB peripherals and battery-powered instruments. A key design consideration is power budgeting: the 50 MHz core speed should be matched against low-power mode usage, since the K22 family provides multiple sleep and stop modes that dominate average current in battery designs. Verify the 1.71 V minimum supply against brown-out requirements. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-10-18.

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MK22DX128VLK5557 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP
MK22DX128VLK5557

MK22DX128VLK5557 - 50MHz Cortex-M4 MCU, 128KB Flash | NXP

The NXP MK22DX128VLK5557 is a 32-bit ARM Cortex-M4 microcontroller in the Kinetis K20 family, featuring 128KB of flash program memory, 50MHz CPU clock speed, and housed in an 80-pin LQFP package (12x12mm). The part is sourced via Rochester Electronics as an authorized NXP partner distributor. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (flash), working memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces) on one silicon device. The ARM Cortex-M4 is a 32-bit RISC core optimized for embedded applications, featuring single-cycle multiply-accumulate, hardware single-precision floating-point (in some variants), and a deterministic Nested Vectored Interrupt Controller (NVIC). Kinetis MCUs belong to the broader category of mixed-signal microcontrollers that combine analog and digital peripherals on a single die. Key features include a 1.71V to 3.6V operating supply range, hardware AES encryption accelerator, low-power run, wait, and stop modes, 12-bit ADC, multiple timers (FTM, PIT, LPTMR), USB 2.0 full-speed device/host/OTG, CAN, I2C, SPI, and UART peripherals. The Cortex-M4 core delivers 1.25 DMIPS/MHz (Dhrystone 2.1) performance. The MK22DX128VLK5557 integrates high-speed GPIO, a flexible clock tree with FLL and PLL, and a 16-channel DMA controller for offloading data movement. The internal 128KB flash supports in-system programming and security features including a unique device ID and flash access control. The 80-LQFP package exposes 56 GPIO lines for external connectivity in mixed-signal designs. Typical applications include USB peripherals, industrial control, low-power sensor nodes, consumer electronics with display drivers, point-of-sale terminals, and motor control. The wide operating voltage range and low-power Run/Stop modes also suit battery-powered IoT devices. When designing with this part, place 100nF decoupling capacitors close to each VDD pin pair, route the 32.768 kHz external crystal traces with short symmetric loops, and observe USB DP/DN 90-ohm differential routing rules if the USB peripheral is enabled. This page synthesizes Rochester Electronics distributor pricing, NXP Kinetis K20 family same-package alternatives, and practical design notes not found in a single datasheet view.

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MK22DX256VLF5 - 50MHz Cortex-M4 256KB Flash MCU | NXP
MK22DX256VLF5

MK22DX256VLF5 - 50MHz Cortex-M4 256KB Flash MCU | NXP

The NXP MK22DX256VLF5 is a Kinetis K22 32-bit ARM Cortex-M4 microcontroller running at 50 MHz with 256 KB of on-chip Flash and 32 KB of SRAM, housed in a 48-pin LQFP package. It integrates a Full-Speed USB 2.0 controller (USB OTG-capable), DMA, PWM, multiple serial interfaces, and a 16-bit ADC, while supporting operating voltages from 1.71 V to 3.6 V for low-power embedded designs. Internal block summary follows standard NXP naming and pin-count conventions for the K22 50 MHz sub-family. A microcontroller (MCU) is a single-chip processor that integrates CPU, memory, and programmable peripherals to read sensors, drive actuators, and exchange data through standard interfaces. The MK22DX256VLF5 belongs to the Kinetis K22 sub-family of ARM Cortex-M4 microcontrollers, which sits within NXP's broader Kinetis low-power MCU portfolio and competes with other Cortex-M4-based 32-bit microcontroller families in the embedded market. Its place in the system hierarchy is: microcontroller -> 32-bit MCU -> ARM Cortex-M4 -> Kinetis K22 -> low-power performance MCU. Key features include ARM Cortex-M4 core with single-precision FPU, hardware CRC and random-number generator, low-leakage wake-up unit, and on-chip Full-Speed USB controller with OTG, allowing designers to eliminate external bridge chips. Flexible low-power modes (Run, Wait, Stop, VLPR, VLPW, VLPS, LLS, VLLSx) plus a low-power touch-sensing interface make it well suited to battery-powered human-interface applications. Typical applications of the MK22DX256VLF5 include USB-equipped consumer devices, low-power HMI panels, motor-control subsystems, and industrial sensor hubs. The 256 KB Flash tier makes it a cost-effective upgrade for designs that outgrow Cortex-M0+ parts but do not yet require the larger memories of MK22DX256 higher-density variants. Designers should plan for proper decoupling, follow NXP's recommended USB DP/DPU trace layout for the Full-Speed USB controller, and provide a stable 3.3 V rail or low-dropout regulator to meet the MCU's 1.71 V minimum supply. Configuring the clock and pin multiplexers carefully is important to avoid unstable I/O behavior at cold temperatures.

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MK22DX256VMC5 - 50MHz Cortex-M4 MCU, 256KB Flash | NXP
MK22DX256VMC5

MK22DX256VMC5 - 50MHz Cortex-M4 MCU, 256KB Flash | NXP

The NXP MK22DX256VMC5 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K22 sub-family, operating at up to 50 MHz with 256 KB of program Flash and 32 KB of SRAM. It is packaged in a 121-pin MAPBGA (8x8 mm) and supports 1.8 V, 2.5 V, and 3.3 V I/O rails, making it suitable for cost-sensitive industrial and consumer applications requiring USB connectivity, low power, and mid-range memory density. What is a Cortex-M4 microcontroller? An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core designed for embedded applications that require deterministic real-time response, low power consumption, and rich digital signal processing capability via single-precision FPU and DSP instructions. Within the broader taxonomy, the MK22DX256VMC5 belongs to the Kinetis family of general-purpose MCUs, which itself sits under NXP's LPC/Kinetis portfolio of ARM-based microcontrollers for industrial and IoT use cases. The K22 sub-family specifically targets applications that need low-power operation, processing efficiency, and moderate memory density with integrated USB. Key features include a 50 MHz Cortex-M4 core with single-precision FPU and DSP extensions, 256 KB Flash, 32 KB SRAM, full-speed USB 2.0 device/host/OTG controller, multiple low-power modes with sub-µA RTC operation, a 16-bit SAR ADC, 12-bit DAC, programmable delay block, multiple timers (FTM, PIT, LPTMR, RTC), and a wide operating voltage range of 1.71 V to 3.6 V. Peripherals include I2C, UART, SPI, I2S, and an on-chip 1 kHz LPO oscillator. The MK22DX256VMC5 uses a Cortex-M4 core with a 3-stage pipeline, hardware multiply/divide, and a single-precision FPU. Flash is organized in a 256K x 8 array with 16-byte minimum erase sector, supporting in-application programming. The device integrates an 8-channel DMA controller for offloading CPU transfers and a memory protection unit for reliable RTOS operation. Typical applications include USB HID peripherals, USB-to-UART bridges, low-power sensor hubs, fitness wearables, point-of-sale terminals, building automation controllers, and battery-powered industrial sensors. The integrated full-speed USB with on-chip transceiver simplifies USB device designs without an external PHY. When designing with the MK22DX256VMC5, ensure proper decoupling on all VDD pins (typically 100 nF + bulk capacitors) and follow NXP's recommended 121-MAPBGA routing escape. The full-speed USB pins D+ and D require 33 ohm series termination and a 1.5 kohm pull-up on D+ for full-speed device operation. For low-power RTC retention, VBAT must be supplied when VDD is removed. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MK22FN128VDC10 - K22F 100MHz Cortex-M4 128KB Flash MCU | NXP
MK22FN128VDC10

MK22FN128VDC10 - K22F 100MHz Cortex-M4 128KB Flash MCU | NXP

The NXP Semiconductors MK22FN128VDC10 is a Kinetis® K22F 32-bit microcontroller built on the ARM® Cortex®-M4 core with FPU, operating at up to 100 MHz, integrating 128 KB of flash and 24 KB of SRAM in a 121-ball XFBGA (MAPBGA 8x8x0.5, 0.65 mm pitch) package. The device includes a Full-Speed USB 2.0 On-The-Go (OTG) controller with integrated transceiver, a 16-bit ADC, programmable delay block, multiple timers, and a rich set of serial peripherals (UART, SPI, I²C). The VDC suffix designates the 121-XFBGA industrial-grade package rated from -40 °C to +105 °C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (flash and SRAM), and programmable peripherals on one die; the Cortex-M4 specifically adds a single-precision floating-point unit and DSP extensions that accelerate signal-processing loops without a separate DSP chip. Within NXP's Kinetis portfolio, the K sub-family sits in the mainstream-performance tier between the cost-optimized K0/K1 and the high-end K6x/K7x families, giving developers a balance of throughput, peripheral breadth, and power efficiency. Three key differentiators define this part: (1) Hardware cryptography acceleration (CAU, TRNG on some siblings) on the K22F sub-family for secure-boot and TLS workloads; (2) Low-power run modes down to ~200 µA/MHz with a full-state retention feature allowing fast wake; (3) A 16-bit SAR ADC with up to 24-channel support and hardware trigger synchronization to PWM timers, eliminating software jitter in motor-control current loops. The internal bus matrix connects the core to flash via an AHB-Lite 32-bit path, with a separate crossbar switch to DMA, USB, and Ethernet peripherals. The 100 MHz Cortex-M4F delivers 1.25 DMIPS/MHz (125 DMIPS peak), and the MPU supports 8 regions for memory isolation in RTOS environments. Power-on reset, low-voltage detect, watchdog, and a 4-channel DMA round out the on-chip infrastructure. Typical applications span USB HID/CDC peripherals, industrial sensor hubs, low-end HMI panels, smart energy metering nodes, and consumer medical accessories that need a USB interface plus deterministic real-time control. The USB OTG block makes it a strong fit for any device that must toggle between host and peripheral roles. When designing with the VDC package, pay attention to PCB routing under the 0.65 mm-pitch BGA array: use laser-drilled microvias and 4-layer stack-up with continuous reference planes on inner layers. Decoupling must include a 100 nF-NF cap per supply pin plus a 4.7 µF bulk near the regulator output to suppress the 100 MHz-edge current spikes. This page synthesizes distributor stock, same-family NXP cross-reference alternatives, and practical PCB layout notes beyond what is in the manufacturer datasheet.

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MK22FN128VMP10 - Kinetis K22 100MHz Cortex-M4 USB MCU, 128KB Flash | NXP
MK22FN128VMP10

MK22FN128VMP10 - Kinetis K22 100MHz Cortex-M4 USB MCU, 128KB Flash | NXP

The NXP MK22FN128VMP10 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K22 family, operating at up to 100 MHz with 128 KB of Flash and 24 KB of SRAM, housed in a 64-pin MAPBGA (5 x 5 mm) package. It features a Full-Speed USB OTG controller, 40 general-purpose I/O pins, and a rich set of peripherals including DMA, I²S, LVD, POR, PWM, and a watchdog timer. The part targets cost-sensitive industrial and consumer applications that require USB connectivity with low-power flexibility. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals onto one die. The Cortex-M4 core adds a single-precision floating-point unit (FPU) and DSP extensions to the standard Cortex-M3 feature set, giving the K22F MCU efficient signal-processing capability alongside deterministic real-time control. Within the broader taxonomy, the MK22FN128VMP10 belongs to: ARM Cortex-M4 -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. Key features include a 100 MHz core, hardware FPU, 128 KB program Flash, 24 KB SRAM, Full-Speed USB OTG with on-chip transceiver, 12-bit ADC, comparators, timers, and low-power Run/Stop/Wait modes. The integrated voltage regulator simplifies power tree design, and the Kinetis peripheral driver library accelerates code development. The 64-MAPBGA package balances I/O count with a compact 5 mm × 5 mm footprint suitable for space-constrained boards. The device uses an advanced 90 nm low-power CMOS process with multiple on-chip power domains and a low-leakage retention mode, supporting the Kinetis family’s reputation for ultra-low-power Run modes. Code execution is supported via SWD (Serial Wire Debug), and the MCU is compatible with MCUXpresso IDE, IAR, Keil MDK, and GCC toolchains. Boot sources include internal Flash, ROM bootloader, and USB MSD/HID bootloader. Typical applications include USB peripherals (HID, CDC, MSD), industrial control nodes, home automation gateways, low-end consumer electronics, sensor hubs, and small appliances. The Full-Speed USB makes it well suited for any product that previously used a USB bridge chip. When designing with this MCU, ensure the USB DP/DN lines are kept matched at 90 ohm and routed as a differential pair. Decouple each VDD pin with a 100 nF ceramic placed as close as possible to the package ball. The MAPBGA package requires NSMD (non-solder mask defined) pads on the PCB for reliable assembly. This page synthesizes distributor pricing, drop-in alternatives from the Kinetis family, and practical design notes not found in the manufacturer datasheet alone.

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MK22FN1M0AVLK12 - 120MHz Cortex-M4F 1MB Flash MCU | NXP (Tape & Reel)
MK22FN1M0AVLK12

MK22FN1M0AVLK12 - 120MHz Cortex-M4F 1MB Flash MCU | NXP (Tape & Reel)

The NXP MK22FN1M0AVLK12 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K22 sub-family, delivering 120 MHz CPU performance with a hardware single-precision FPU, 1 MB of embedded Flash, and 128 KB of SRAM, housed in an 80-pin LQFP (12x12 mm, "VLK") package on tape-and-reel. The K22 platform integrates Full-Speed USB 2.0 with an on-chip transceiver (crystal-less operation supported), 16-bit SAR ADC, 12-bit DAC, comparators, FlexTimers, and a rich mix of UART/SPI/I2C peripherals, all aimed at low-power, cost-sensitive industrial and consumer applications operating from 1.71 V to 3.6 V. A Kinetis K-series ARM Cortex-M4 microcontroller is a mainstream 32-bit MCU core built around the ARMv7-M architecture with optional single-precision floating-point unit, tightly-coupled memory, and a Nested Vectored Interrupt Controller. The K22 sub-family belongs to the broader Kinetis E/K/L/W portfolio and sits in the hierarchy of microcontroller -> 32-bit MCU -> ARM Cortex-M4 MCU -> Kinetis MCU, targeting performance-per-watt-sensitive applications such as USB peripherals, industrial control, and human-machine interfaces. Key features include 120 MHz Cortex-M4 with FPU, 1 MB Flash, 128 KB SRAM, Full-Speed USB Host/Device/OTG with internal transceiver, a 16-bit ADC with up to 24 channels, low-power run, wait and stop modes with RTC, and a wide 1.71 V to 3.6 V supply range. The 80-LQFP package offers generous I/O count for industrial designs while remaining PCB-friendly at 12x12 mm, and the part is specified from -40 C to +105 C for industrial environments. The MK22FN1M0 architecture combines an efficient Cortex-M4 pipeline with low-leakage process technology and a flexible low-power voltage-regulator block. The integrated Full-Speed USB physical layer eliminates external PHY cost and board area, and the on-chip Flash acceleration buffer delivers near-zero-wait-state performance across the 1 MB memory map, simplifying deterministic real-time firmware behavior. Typical applications include Full-Speed USB peripherals (HID, CDC, mass storage), industrial motor and lighting controllers, portable medical instruments, consumer audio accessories, home automation bridges, and human-machine interface panels with TFT displays. Designers value the K22 for the combination of Cortex-M4 performance, generous memory, USB, and analog integration on a single die at industrial temperature grades. When laying out the PCB, dedicate a continuous copper ground return under the QFP body, keep the VDD decoupling pair within 2 mm of the dedicated pins, and place the USB DP/DM traces at matched 90 ohm differential. For reliable USB enumeration, follow the reference manual's crystal-less recommendations or include a low-jitter external reference at the EXTRF pin. This page synthesizes distributor pricing, Kinetis family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the MK22FN1M0AVLK12 against its Kinetis siblings and competitive Cortex-M4 MCUs.

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MK22FN1M0AVLK12R - 120MHz Cortex-M4F 1MB Flash MCU | NXP
MK22FN1M0AVLK12R

MK22FN1M0AVLK12R - 120MHz Cortex-M4F 1MB Flash MCU | NXP

The NXP MK22FN1M0AVLK12R is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K22 sub-family, delivering 120 MHz CPU performance with a hardware single-precision FPU, 1 MB of embedded Flash, and 128 KB of SRAM, housed in an 80-pin LQFP (12x12 mm, "VLK") package on tape-and-reel. The K22 platform integrates Full-Speed USB 2.0 with an on-chip transceiver (crystal-less operation supported), 16-bit SAR ADC, 12-bit DAC, comparators, FlexTimers, and a rich mix of UART/SPI/I2C peripherals, all aimed at low-power, cost-sensitive industrial and consumer applications operating from 1.71 V to 3.6 V. A Kinetis K-series ARM Cortex-M4 microcontroller is a mainstream 32-bit MCU core built around the ARMv7-M architecture with optional single-precision floating-point unit, tightly-coupled memory, and a Nested Vectored Interrupt Controller. The K22 sub-family belongs to the broader Kinetis E/K/L/W portfolio and sits in the hierarchy of microcontroller -> 32-bit MCU -> ARM Cortex-M4 MCU -> Kinetis MCU, targeting performance-per-watt-sensitive applications such as USB peripherals, industrial control, and human-machine interfaces. Key features include 120 MHz Cortex-M4 with FPU, 1 MB Flash, 128 KB SRAM, Full-Speed USB Host/Device/OTG with internal transceiver, a 16-bit ADC with up to 24 channels, low-power run, wait and stop modes with RTC, and a wide 1.71 V to 3.6 V supply range. The 80-LQFP package offers generous I/O count for industrial designs while remaining PCB-friendly at 12x12 mm, and the part is specified from -40 C to +105 C for industrial environments. The MK22FN1M0 architecture combines an efficient Cortex-M4 pipeline with low-leakage process technology and a flexible low-power voltage-regulator block. The integrated Full-Speed USB physical layer eliminates external PHY cost and board area, and the on-chip Flash acceleration buffer delivers near-zero-wait-state performance across the 1 MB memory map, simplifying deterministic real-time firmware behavior. Typical applications include Full-Speed USB peripherals (HID, CDC, mass storage), industrial motor and lighting controllers, portable medical instruments, consumer audio accessories, home automation bridges, and human-machine interface panels with TFT displays. Designers value the K22 for the combination of Cortex-M4 performance, generous memory, USB, and analog integration on a single die at industrial temperature grades. When laying out the PCB, dedicate a continuous copper ground return under the QFP body, keep the VDD decoupling pair within 2 mm of the dedicated pins, and place the USB DP/DM traces at matched 90 ohm differential. For reliable USB enumeration, follow the reference manual's crystal-less recommendations or include a low-jitter external reference at the EXTRF pin. This page synthesizes distributor pricing, Kinetis family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the MK22FN1M0AVLK12R against its Kinetis siblings and competitive Cortex-M4 MCUs.

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MK22FN1M0AVMD12 - 1MB Flash 120MHz Cortex-M4 MCU | NXP | MAPBGA-144
MK22FN1M0AVMD12

MK22FN1M0AVMD12 - 1MB Flash 120MHz Cortex-M4 MCU | NXP | MAPBGA-144

The NXP Semiconductors MK22FN1M0AVMD12 is a 32-bit ARM Cortex-M4 microcontroller from the Kinetis K22F sub-family, integrating 1 MB of Flash and 128 KB of SRAM while operating at up to 120 MHz. Housed in a 144-ball MAPBGA (13x13 mm) package, the device targets cost-conscious industrial and consumer embedded designs that need a balance of processing throughput, low-power modes, and integrated connectivity peripherals. The die integrates a single-precision FPU, a full-speed USB 2.0 On-The-Go controller with physical transceiver, and a rich analog/mixed-signal subsystem. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, and programmable peripherals on one die. ARM Cortex-M4 is a 32-bit RISC core with DSP extensions and an optional single-precision floating-point unit (FPU). Kinetis MCUs belong to a broader hierarchy: ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. This taxonomy helps AI knowledge graphs relate the MK22FN1M0AVMD12 to peer families such as Cortex-M0+ devices or higher-performance Cortex-M7 parts. Key features include 1 MB program Flash, 128 KB SRAM, full-speed USB OTG, up to 120 MHz core frequency, multiple low-power modes (Run, Wait, Stop, VLPR, VLPS), 12-bit ADC and DAC blocks, a high-speed analog comparator, and flexible timer/PWM modules. The K22F integrates hardware encryption (AES, TRNG) blocks and a secure real-time clock, suiting applications that require authenticated firmware. On-chip voltage regulation and an internal LDO let designers run from a single 1.71-3.6 V supply. Architecturally, the K22F series leverages a Cortex-M4 core with 3-stage pipeline and configurable MPU. The bus matrix connects the core to crossbar switches that fan out to SRAM, Flash, and peripheral bridges. Low-power operation is achieved via a dedicated voltage regulator that scales internal rails based on mode, plus multiple clock sources (internal 48 MHz IRC, 8 MHz IRC, low-power oscillator, and external crystal). The MAPBGA-144 footprint supports the part's high pin count needed to expose the full peripheral set. Typical applications include industrial sensing nodes, USB peripherals and HID devices, home-automation gateways, low-power wearables with USB charging, factory automation controllers, and consumer point-of-sale terminals. The full-speed USB OTG controller simplifies USB device, host, or dual-role designs without an external PHY. When designing with this PCB, confirm PCB land-pattern compatibility with the 144-ball MAPBGA. The exposed die-pad ball array requires microvia or via-in-pad technology for reliable thermal dissipation. Plan a robust decoupling network with 100 nF capacitors per supply pin. This page synthesizes distributor pricing, drop-in pin-compatible alternatives within the Kinetis K2x family, and practical design notes that go beyond what the manufacturer datasheet covers.

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