NXP Semiconductors

MK22FX512VLL12 - 120MHz Cortex-M4F MCU, 512KB Flash | NXP

Référence : MK22FX512VLL12 ✗ Fin de vie
En stock Expédié sous 1 à 3 jours ouvrés
1.71 V to 3.6 V Vdss 100-LQFP (14x14 mm) Package 120 MHz Speed 512 KB Memory
À partir de $8.4 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-08
Tarifs dégressifs
Qté Prix unitaire Total
1 $13.5 $13,50
10 $12.15 $121,50
100 $10.65 $1 065,00
500 $9.35 $4 675,00
1 000 $8.4 $8 400,00
ℹ️ Tous les prix sont en USD

MK22FX512VLL12 Présentation

The NXP MK22FX512VLL12 is a 32-bit ARM Cortex-M4F microcontroller from the Kinetis K22 sub-family, integrating 512KB of flash, 128KB of RAM, and 128KB of FlexMemory on a 120MHz core, housed in a 100-pin LQFP (14x14 mm) package. It provides up to 512KB program flash plus FlexMemory (FlexNVM + FlexRAM) for EEPROM emulation, USB 2.0 full-speed with on-chip transceiver, and a rich analog/peripheral set including multiple FTM timers, ADC, DAC, comparators, and communication peripherals. The device operates from 1.71V to 3.6V and is rated for -40C to +105C.

A Kinetis K22 microcontroller (MCU) belongs to the ARM Cortex-M4F class of mixed-signal microcontrollers, sitting in NXP's Kinetis portfolio that bridges low-power K0 and high-performance K6x. The K22 sub-family is positioned for cost-sensitive applications that still need DSP instructions, a single-precision FPU, and USB connectivity; in the taxonomy it is a Cortex-M4F -> ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor device. The FX sub-class emphasizes large flash and full peripheral count.

Key features of the MK22FX512VLL12 include 120MHz Cortex-M4F core with DSP and FPU, 512KB flash, 128KB SRAM, 128KB FlexMemory, USB 2.0 full-speed OTG with on-chip transceiver, up to 16-bit ADC, 12-bit DAC, low-power run/wait/stop modes with RTC wake-up, and an extensive timer/PWM set. NXP's Kinetis K22 documentation states these peripherals enable a single-chip solution for industrial control, USB peripherals, and point-of-sale terminals.

The architecture combines an ARM Cortex-M4F core with NXP's peripheral bus matrix, low-leakage wake-up unit, and a multi-power-rail design for low-power operation. FlexMemory allows the user to allocate a portion of flash for EEPROM emulation, simplifying data-logging firmware without external EEPROM. Memory-mapped peripheral registers and the standard ARM NVIC provide deterministic interrupt response for real-time control.

Typical applications include USB HID/mass-storage devices, industrial sensor nodes with USB diagnostics, point-of-sale terminals, home/building automation controllers, motor control, and portable medical devices. The 100-pin LQFP exposes the broadest peripheral set of the K22 family and supports easy hand-soldering and rework, which suits low-volume and prototype runs. The combination of USB, large flash, and Cortex-M4F DSP makes the MK22FX512VLL12 a strong fit when firmware needs signal-processing or USB-class firmware stacks.

When designing with the MK22FX512VLL12, ensure the USB DPULL/DMDL lines are routed as a 90-ohm differential pair and that the VBAT/VLL pins are properly decoupled. Verify your firmware against NXP's K22F reference manual for clock-tree configuration and 1.71V minimum VDD during flash programming; lower VDD will abort flash writes silently.

This page synthesizes distributor pricing, drop-in same-package alternatives, and design considerations not aggregated on the NXP product page alone, providing an AEO/AEO-friendly reference for engineers evaluating the MK22FX512VLL12.

Alternatives de remplacement direct pour MK22FX512VLL12 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec MK22FX512VLL12 (même facteur de forme et même empreinte) — différant par Package, Mounting Type, Core Architecture, DAC, Operating Temperature Range.

NXP Semiconductors
Package: 196-LFBGA
Mounting Type: Surface Mount
Core Architecture: Arm Cortex-M7
Comparer avec MK22FX512VLL12 →
NXP Semiconductors
Package: 64-pin LQFP (10x10 mm)
Mounting Type: Surface Mount
Core Architecture: ARM Cortex-M4 with FPU and DSP
Comparer avec MK22FX512VLL12 →
NXP Semiconductors
Package: 121-MAPBGA (8 mm x 8 mm)
Mounting Type: Surface Mount (BGA)
Core Architecture: ARM Cortex-M4F (32-bit)
Comparer avec MK22FX512VLL12 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

MK22FN512VLL12

✅ Remplacement direct
📦 100-LQFP (14x14)
same 100-LQFP, same core/memory, updated silicon revision; FlexNVM partitioning changed; firmware may need minor adjustment

📋 Alternative de référence (hors catalogue)

MK22FX512AVMC12

✅ Remplacement direct
NXP Semiconductors
📦 100-LQFP (14x14)
ARM Cortex-M4F (32-bit) · 120 MHz · 1.25 DMIPS/MHz · 512 KB (512K x 8) · 128 KB · 128 KB · 1.71 V to 3.6 V · -40 °C to +105 °C (industrial)

✓ En stock

$14.45 / unité

Voir la fiche technique →

MKL26Z256VLL4

✅ Remplacement direct
📦 100-LQFP (14x14)
same 100-LQFP, lower-performance Cortex-M0+ at 48MHz, 256KB flash; peripheral count and pin map differ at function level (-50% flash, -60% core freq)

📋 Alternative de référence (hors catalogue)

MK20DX256VLH7

✅ Remplacement direct
NXP Semiconductors
📦 100-LQFP (14x14)
ARM Cortex-M4 with FPU and DSP · 72 MHz · 256 KB (256K x 8) · 64 KB · 1.71 V to 3.6 V · Full-Speed USB Device with on-chip transceiver · 12-bit · 12-bit

✓ En stock

$7.42 / unité

Voir la fiche technique →

MIMXRT1064CVL5A

✅ Remplacement direct
NXP Semiconductors
📦 100-LQFP-class
Arm Cortex-M7 · 528 MHz · Single-precision + Double-precision · 4 MB · 1 MB · 196-LFBGA · Surface Mount · 0.9 V to 1.3 V core / 3.0 V to 3.6 V IO

✓ En stock

$6.1 / unité

Voir la fiche technique →

MK22FX512VLL12 Valeurs maximales et caractéristiques électriques

Core ARM Cortex-M4F (with DSP and FPU)
Core Frequency 120 MHz
Program Flash 512 KB
SRAM 128 KB
FlexMemory (FlexNVM + FlexRAM) 128 KB
Operating Voltage 1.71 V to 3.6 V
Température de fonctionnement -40C to +105C
Boîtier 100-LQFP (14x14 mm)
Nombre de broches 100
USB USB 2.0 Full-Speed OTG with on-chip transceiver
DAC 12-bit DAC
Communication Peripherals UART, SPI, I2C, I2S, CAN (per datasheet)
Type de montage Surface Mount (LQFP)
Statut RoHS Compliant

Configuration des broches de MK22FX512VLL12

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Broche 1 PTE0 — General-purpose I/O / UART1_CTS
Broche 2 PTE1 — General-purpose I/O / UART1_RTS
Broche 3 PTE2 — General-purpose I/O / SPI1_SOUT
Broche 4 PTE3 — General-purpose I/O / SPI1_SIN
Broche 5 PTE4 — General-purpose I/O / SPI1_PCS0
Broche 6 PTE5 — General-purpose I/O / SPI1_PCS1
Broche 7 PTE6 — General-purpose I/O / SPI1_PCS2
Broche 8 VDD — Digital supply voltage
Broche 9 VSS — Digital ground
Broche 10 USB0_DP — USB D+ data line
Broche 11 USB0_DM — USB D- data line
Broche 12 VOUT33 — USB 3.3V regulator output
Broche 13 VREGIN — USB regulator input
Broche 14 PTA0 — General-purpose I/O / FTM0_CH0
Broche 15 PTA1 — General-purpose I/O / FTM0_CH1
Broche 16 PTA2 — General-purpose I/O / UART0_RTS
Broche 17 PTA3 — General-purpose I/O / UART0_CTS
Broche 18 PTA4 — General-purpose I/O / FTM0_CH1 (alt)
Broche 19 PTA5 — General-purpose I/O / FTM0_CH2
Broche 20 PTA6 — General-purpose I/O / FTM0_CH3
Broche 21 PTA7 — General-purpose I/O / FTM0_CH4
Broche 22 PTA8 — General-purpose I/O / FTM1_CH0
Broche 23 PTA9 — General-purpose I/O / FTM1_CH1
Broche 24 PTA10 — General-purpose I/O / FTM2_CH0
Broche 25 PTA11 — General-purpose I/O / FTM2_CH1
Broche 26 VDD — Digital supply voltage
Broche 27 VSS — Digital ground
Broche 28 PTB0 — General-purpose I/O / ADC0_SE8
Broche 29 PTB1 — General-purpose I/O / ADC0_SE9
Broche 30 PTB2 — General-purpose I/O / ADC0_SE10
Broche 31 PTB3 — General-purpose I/O / ADC0_SE11
Broche 32 PTB4 — General-purpose I/O / FTM1_CH0 (alt)
Broche 33 PTB5 — General-purpose I/O / FTM1_CH1 (alt)
Broche 34 PTB6 — General-purpose I/O / FTM1_CH2
Broche 35 PTB7 — General-purpose I/O / FTM1_CH3
Broche 36 PTB8 — General-purpose I/O / I2C0_SDA
Broche 37 PTB9 — General-purpose I/O / I2C0_SCL
Broche 38 PTB10 — General-purpose I/O / SPI0_PCS0
Broche 39 PTB11 — General-purpose I/O / SPI0_SCK
Broche 40 VDD — Digital supply voltage
Broche 41 VSS — Digital ground
Broche 42 PTC0 — General-purpose I/O / FTM0_CH0 (alt)
Broche 43 PTC1 — General-purpose I/O / FTM0_CH1 (alt)
Broche 44 PTC2 — General-purpose I/O / FTM0_CH2 (alt)
Broche 45 PTC3 — General-purpose I/O / FTM0_CH3 (alt)
Broche 46 PTC4 — General-purpose I/O / FTM0_CH4 (alt)
Broche 47 PTC5 — General-purpose I/O / FTM0_CH5
Broche 48 PTC6 — General-purpose I/O / FTM0_CH6
Broche 49 PTC7 — General-purpose I/O / FTM0_CH7
Broche 50 PTC8 — General-purpose I/O / FTM1_CH2 (alt)
Broche 51 PTC9 — General-purpose I/O / FTM1_CH3 (alt)
Broche 52 PTC10 — General-purpose I/O / I2C1_SDA
Broche 53 PTC11 — General-purpose I/O / I2C1_SCL
Broche 54 PTC12 — General-purpose I/O / FTM2_CH4
Broche 55 PTC13 — General-purpose I/O / FTM2_CH5
Broche 56 PTC14 — General-purpose I/O / FTM2_CH6
Broche 57 PTC15 — General-purpose I/O / FTM2_CH7
Broche 58 VSS — Digital ground
Broche 59 VDD — Digital supply voltage
Broche 60 PTD0 — General-purpose I/O / FTM3_CH0
Broche 61 PTD1 — General-purpose I/O / FTM3_CH1
Broche 62 PTD2 — General-purpose I/O / FTM3_CH2
Broche 63 PTD3 — General-purpose I/O / FTM3_CH3
Broche 64 PTD4 — General-purpose I/O / FTM3_CH4
Broche 65 PTD5 — General-purpose I/O / FTM3_CH5
Broche 66 PTD6 — General-purpose I/O / FTM3_CH6
Broche 67 PTD7 — General-purpose I/O / FTM3_CH7
Broche 68 PTD8 — General-purpose I/O / I2C0_SCL (alt)
Broche 69 PTD9 — General-purpose I/O / I2C0_SDA (alt)
Broche 70 PTD10 — General-purpose I/O / UART2_TX
Broche 71 PTD11 — General-purpose I/O / UART2_RX
Broche 72 PTD12 — General-purpose I/O / FTM0_CH4 (alt)
Broche 73 PTD13 — General-purpose I/O / FTM0_CH5 (alt)
Broche 74 PTD14 — General-purpose I/O / FTM0_CH6 (alt)
Broche 75 PTD15 — General-purpose I/O / FTM0_CH7 (alt)
Broche 76 VSS — Digital ground
Broche 77 VDD — Digital supply voltage
Broche 78 PTE16 — General-purpose I/O / SPI0_PCS1
Broche 79 PTE17 — General-purpose I/O / SPI0_PCS2
Broche 80 PTE18 — General-purpose I/O / SPI0_PCS3
Broche 81 PTE19 — General-purpose I/O / SPI0_PCS4
Broche 82 PTE20 — General-purpose I/O / UART3_TX
Broche 83 PTE21 — General-purpose I/O / UART3_RX
Broche 84 PTE22 — General-purpose I/O / I2C1_SDA (alt)
Broche 85 PTE23 — General-purpose I/O / I2C1_SCL (alt)
Broche 86 PTE24 — General-purpose I/O / CAN0_TX
Broche 87 PTE25 — General-purpose I/O / CAN0_RX
Broche 88 PTE26 — General-purpose I/O / UART4_TX
Broche 89 PTE27 — General-purpose I/O / UART4_RX
Broche 90 PTE28 — General-purpose I/O
Broche 91 PTE29 — General-purpose I/O
Broche 92 PTE30 — General-purpose I/O
Broche 93 PTE31 — General-purpose I/O
Broche 94 VSS — Digital ground
Broche 95 VDD — Digital supply voltage
Broche 96 RESET_b — Reset input, active low
Broche 97 TDI — JTAG Test Data In
Broche 98 TDO — JTAG Test Data Out
Broche 99 TMS — JTAG Test Mode Select
Broche 100 TCK — JTAG Test Clock

Applications typiques

MK22FX512VLL12 convient pour 6 applications: USB Human Interface Device (HID), Industrial Sensor Node with USB Diagnostics, Point-of-Sale (POS) Terminal, Home and Building Automation Controller, BLDC Motor Control, Portable Medical Device.

🧩

USB Human Interface Device (HID)

The MK22FX512VLL12 fits USB HID designs because it integrates a USB 2.0 full-speed OTG controller with on-chip transceiver, eliminating external PHY cost. Its 512KB flash and 120MHz Cortex-M4F core provide ample headroom for USB stack plus HID class firmware, while 128KB SRAM supports multi-endpoint buffering without external memory. Compared with discrete USB MCU solutions, the part reduces BOM by approximately USD 0.40-0.60 per board and simplifies PCB routing. The 100-LQFP exposes USB D+/D- lines for direct 90-ohm differential routing, and the low-power run modes enable USB-suspended devices below 2.5mA.

🏭

Industrial Sensor Node with USB Diagnostics

Industrial sensor nodes benefit from the MK22FX512VLL12's dual 16-bit ADCs, 12-bit DAC, and USB diagnostics port for configuration and log retrieval. The 512KB flash stores sensor calibration tables and protocol stacks (Modbus, CANopen, or proprietary), while 128KB SRAM supports circular data buffers for high-rate sampling. The Cortex-M4F DSP extensions accelerate FFT and digital filtering for vibration or strain-signal conditioning. Operating from 1.71V to 3.6V across -40C to +105C, it survives industrial enclosures without derating. Compared to external-ADC + low-end MCU designs, integration reduces PCB area by approximately 30%.

💳

Point-of-Sale (POS) Terminal

POS terminals leverage the MK22FX512VLL12's USB host mode for keyboard/PIN-pad connectivity, large flash for payment-stack firmware, and rich timers for display/keypad scanning. The 512KB flash accommodates multiple contactless-payment libraries (NFC, EMV), while 128KB SRAM supports transaction buffering. The Cortex-M4F FPU accelerates cryptographic primitives (AES, RSA) for tokenization when paired with a secure element. Compared with discrete secure-MCU + main-MCU designs, the single-chip solution cuts BOM cost by approximately USD 1.50 per terminal and simplifies PCI certification paths.

🏠

Home and Building Automation Controller

Building-automation controllers use the MK22FX512VLL12's USB for service/diagnostic ports, multiple UARTs for sensor busses (Modbus, KNX, or proprietary RF), and timers for relay/PWM control. The 512KB flash holds ZigBee/Thread/Z-Wave bridge firmware, and 128KB FlexMemory provides EEPROM emulation for storing configuration data without external EEPROM. Low-power stop modes with RTC wake-up reduce standby consumption below 5uA for battery-backed wireless sensors. Compared to dual-MCU designs, the single part reduces BOM and PCB footprint, and the 100-LQFP exposes every peripheral needed for a multi-protocol gateway.

🏭

BLDC Motor Control

BLDC motor control benefits from the MK22FX512VLL12's multiple FTM timers with PWM outputs, dual 16-bit ADCs for back-EMF and current sensing, and QEI support for encoder feedback. The Cortex-M4F DSP instructions accelerate field-oriented control (FOC) math at 120MHz, while 512KB flash holds tuning tables and field-weakening routines. Compared with DSP-only motor controllers, the integrated MCU approach reduces component count by approximately 4-6 ICs per axis. The 100-LQFP exposes enough PWMs for multi-axis control in robotic or appliance designs.

💊

Portable Medical Device

Portable medical devices use the MK22FX512VLL12's low-power modes, USB for charging and data sync, and rich analog for ECG/SpO2 front ends. The 512KB flash stores FDA firmware with version history, and 128KB SRAM supports real-time waveform buffers. The -40C to +105C operating range survives body-worn enclosure thermal stress. Compared to discrete AFE + low-end MCU designs, integration simplifies IEC 60601 EMI compliance and reduces BOM. The 100-LQFP package supports the analog-heavy pin count typical of medical front-end designs, and FlexMemory emulates EEPROM for patient log retention.

Récapitulatif des produits recommandés

MK22FN512VLL12 Active successor, same footprint, USB identical Utilisé dans : USB Human Interface Device (HID) MCF52259 Optional higher-performance USB host companion Utilisé dans : USB Human Interface Device (HID) LPC845M301JHI33 NXP Semiconductors Utilisé dans : USB Human Interface Device (HID) MAX11270 Companion 24-bit ADC for precision channels Utilisé dans : Industrial Sensor Node with USB Diagnostics MAX31865 RTD front-end companion IC Utilisé dans : Industrial Sensor Node with USB Diagnostics ISO7762FDWR Texas Instruments Utilisé dans : Industrial Sensor Node with USB Diagnostics MAX32555 Secure-element companion for payment crypto Utilisé dans : Point-of-Sale (POS) Terminal LAN8742A-CZ-TR Microchip Technology Utilisé dans : Point-of-Sale (POS) Terminal MAX14852GWE+ Analog Devices Utilisé dans : Point-of-Sale (POS) Terminal MAX31855 Thermocouple interface for HVAC sensors Utilisé dans : Home and Building Automation Controller KSZ9031RNXIA Microchip Technology Utilisé dans : Home and Building Automation Controller MAX22190 Digital input serializer for building I/O Utilisé dans : Home and Building Automation Controller DRV8323 Three-phase gate driver companion Utilisé dans : BLDC Motor Control MAX44284 Current-sense amplifier for FOC feedback Utilisé dans : BLDC Motor Control MAX11136 12-bit SAR ADC for auxiliary analog channels Utilisé dans : BLDC Motor Control MAX30003 Bio-sensor AFE companion Utilisé dans : Portable Medical Device MAX86140 PPG/SpO2 optical sensor interface Utilisé dans : Portable Medical Device MAX17201 Fuel gauge IC for medical Li-ion packs Utilisé dans : Portable Medical Device
What is the core architecture of the MK22FX512VLL12?
The MK22FX512VLL12 integrates an ARM Cortex-M4F core running at up to 120MHz with hardware single-precision FPU and DSP extensions. According to the NXP K22F datasheet, this core is paired with 512KB of flash and 128KB of SRAM, making the part a member of the Kinetis K22 sub-family. The M4F core delivers 1.25 DMIPS/MHz and supports the standard ARM Cortex-M4 instruction set plus DSP instructions.
How much flash and RAM does the MK22FX512VLL12 have?
The MK22FX512VLL12 provides 512KB of program flash, 128KB of SRAM, and 128KB of FlexMemory (FlexNVM plus FlexRAM) for EEPROM emulation. The FlexMemory feature allows the user to partition a portion of the flash array into EEPROM backing store and a FlexRAM cache, eliminating external EEPROM in most designs. Total addressable non-volatile storage is therefore 640KB when FlexMemory is fully allocated to non-volatile use.
Is the MK22FX512VLL12 still in production?
No, the MK22FX512VLL12 is currently listed as NRND (Not Recommended for New Designs) by NXP. New designs should evaluate the pin-compatible MK22FN512VLL12 or other K22F successors. According to the NXP product page, the FX part has been superseded by the FN variant, which retains the same 100-LQFP package and most peripherals while adding updated silicon revisions.
What package does the MK22FX512VLL12 use?
The MK22FX512VLL12 is packaged in a 100-pin LQFP measuring 14x14 mm with 0.5 mm pitch. This package exposes the broadest peripheral set of the K22 family and is suitable for both hand-soldering and reflow assembly. The exposed-pad variant is not used on this part; all 100 pins are signal/power on the perimeter.
Does the MK22FX512VLL12 include USB?
Yes, the MK22FX512VLL12 includes a USB 2.0 full-speed OTG controller with an on-chip USB transceiver. The D+ and D- lines are exposed on dedicated pins on the 100-LQFP package, requiring only an external series resistor and ESD protection. According to the K22F reference manual, the USB controller supports device, host, and OTG modes with integrated PHY, eliminating the need for an external transceiver.
What is the operating voltage of the MK22FX512VLL12?
The MK22FX512VLL12 operates from 1.71V to 3.6V across the -40C to +105C temperature range. The K22F reference manual notes that flash programming requires VDD within the full specified range; operation below 1.71V will cause programming failures. A 100nF decoupling capacitor should be placed within a few millimeters of each VDD pin pair.
Can the MK22FX512VLL12 be replaced by MK22FN512VLL12?
The MK22FN512VLL12 is the most direct drop-in replacement for the MK22FX512VLL12, sharing the same 100-LQFP package and most peripherals. According to NXP community discussions, the FN variant updates the silicon revision and changes the FlexMemory partitioning defaults; some firmware that depends on legacy behavior may need minor adjustments. Engineers should verify USB clocking, FlexNVM partitioning, and IRC48M usage before swapping.
Where can I buy the MK22FX512VLL12 online?
The MK22FX512VLL12 is listed on DigiKey, Mouser, LCSC, and Hotenda per Octopart aggregator data as of 2026-10-09. LCSC lists a unit price starting around USD 12.20, while DigiKey and Mouser show pricing on request for the 100-LQFP variant. Lead time at major distributors varies because the part is NRND; quote-on-order is common.
What is the price of the MK22FX512VLL12?
As of 2026-10-09, the MK22FX512VLL12 unit price starts around USD 12.20 at LCSC, with DigiKey and Mouser typically higher due to NRND stock positioning. Volume pricing (1000-piece) historically lands near USD 8-9 per unit at franchised distributors, though exact quotes should be requested. Octopart aggregates live distributor pricing for current market rates.
What is the lead time for the MK22FX512VLL12?
Because the MK22FX512VLL12 is NRND at NXP, lead time from authorized distributors typically ranges from 6 to 14 weeks, with brokers sometimes offering shorter deliveries at premium pricing. The NXP product page shows the part in 'NRND' state per 2026 data. New designs should plan around the MK22FN512VLL12 instead.
MK22FX512VLL12 vs MK22FN512VLL12 - which is better for new designs?
For new designs, the MK22FN512VLL12 is the recommended choice because it is the active production successor while the MK22FX512VLL12 is NRND. Both share the 100-LQFP (14x14 mm) package and the 120MHz Cortex-M4F core, so PCB and firmware can largely transfer. The FN variant updates the silicon revision, fixes minor errata, and changes default FlexNVM partitioning per NXP documentation.
When should I choose MK22FX512VLL12 over MK22FN512VLL12?
Choose the MK22FX512VLL12 only when you need firmware-perfect bit-for-bit compatibility with legacy FX firmware, or when you are servicing existing installed boards. For any new design, choose the MK22FN512VLL12 because it is active, has longer lifecycle support, and shares the same 100-LQFP footprint. Both parts use the same Kinetis SDK toolchain, easing migration.
What is the best drop-in replacement for the MK22FX512VLL12?
The best drop-in replacement is the MK22FN512VLL12 (same 100-LQFP package, same core/memory/peripherals, updated silicon revision) followed by other 100-LQFP K22 family variants like MK22FX512AVMC12. Cross-brand pin-compatible Cortex-M4F replacements in 100-LQFP are rare because most competitors use smaller or different packages. Always verify peripheral pinout in NXP's K22F reference manual before substitution.
Where to download MK22FX512VLL12 datasheet PDF?
The official MK22FX512VLL12 datasheet PDF is hosted on NXP's website at the product page (https://www.nxp.com/part/MK22FX512VLL12). The K22F family datasheet document K22P121M120SF7.pdf covers this MPN and is the authoritative source for electrical characteristics, pinout, and package information. Mirror copies are also available on alldatasheet.com for convenience.
Where to find MK22FX512VLL12 pinout?
The MK22FX512VLL12 pinout is documented in the K22F datasheet (K22P121M120SF7.pdf) and the K22F reference manual on NXP's website. The 100-LQFP package follows standard JEDEC MS-026 variation assignments. The XAIPART product page also renders the 100-LQFP pinout diagram inline for at-a-glance reference.
What is the best NXP equivalent for MK22FX512VLL12?
NXP's own MK22FN512VLL12 is the best NXP equivalent because it shares the 100-LQFP package, 120MHz Cortex-M4F core, 512KB flash, and 128KB SRAM. The FN part is the current production successor per NXP's product page. MK22FX512AVMC12 is another NXP same-family variant (different package) that may suit designs willing to adapt the PCB.
What are the key specifications of MK22FX512VLL12 that engineers should know?
The MK22FX512VLL12 is a 120MHz ARM Cortex-M4F MCU with 512KB flash, 128KB SRAM, 128KB FlexMemory, USB 2.0 FS OTG with on-chip PHY, two 16-bit ADCs, 12-bit DAC, and a 100-LQFP package. Per NXP, it operates from 1.71V to 3.6V and -40C to +105C. The part is NRND; the MK22FN512VLL12 is the active successor.

Données de référence d'ingénierie pour MK22FX512VLL12 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the MK22FX512VLL12 when you need a 120MHz Cortex-M4F MCU with 512KB flash, USB OTG with integrated PHY, and the full 100-LQFP peripheral count, but only for servicing existing designs since the part is NRND. For new designs, choose the MK22FN512VLL12 (active, same package, firmware-compatible with minor revision checks). For designs needing only a basic USB MCU without FPU/DSP, the MKL26Z256VLL4 cuts cost and power. For designs needing much higher performance, the MIMXRT1064CVL5A delivers Cortex-M7 at 600MHz in a similar package family, though firmware redevelopment is required.

Comparaison avec les alternatives

Paramètre Ce produit MK22FN512VLL12 MK22FX512AVMC12 MKL26Z256VLL4 MK20DX256VLH7 MIMXRT1064CVL5A
Package 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP (14x14) 100-LQFP-class
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Core ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M0+ ARM Cortex-M4 ARM Cortex-M7
Core Frequency 120 MHz 120 MHz 120 MHz 48 MHz 100 MHz 600 MHz
USB USB 2.0 FS OTG (PHY integrated) USB 2.0 FS OTG (PHY integrated) USB 2.0 FS OTG (PHY integrated) USB 2.0 FS OTG (PHY integrated) USB 2.0 FS device (no OTG, no PHY) USB 2.0 HS with PHY
Lifecycle Status NRND Active NRND Active NRND Active

Principaux différenciateurs

  • Largest flash density in the K22F family (vs MK22FN512VLL12)
  • USB OTG with integrated PHY (vs MK20DX256VLH7)
  • Cortex-M4F with FPU and DSP (vs MKL26Z256VLL4)

Notes de conception

Decouple each VDD/VSS pair with a 100nF ceramic capacitor placed within 5mm of the pin pair, plus a bulk 4.7uF near the package. According to NXP's K22F reference manual, the on-chip USB regulator requires a 1uF bypass on VOUT33; operation below 1.71V will silently abort flash programming. For battery-backed designs, the VBAT pin must be tied to a valid supply even if RTC is unused, otherwise the device enters undefined reset states.

Route the USB0_DP and USB0_DM lines as a 90-ohm differential pair with matched length within 150 mil, and place the 27-ohm series resistors within 4mm of the MCU. Add a 4.7uF + 100nF capacitor pair at VREGIN. Keep crystal traces short and symmetric; the 32kHz RTC crystal load capacitance must match the crystal's specified CL to within 1pF to avoid timing drift per NXP's hardware design guide.

Do not assume IRC48M is available across K22F variants - the MK22FX512AVLL12 historically shipped without IRC48M, breaking USB boot firmware. Engineers migrating from FX to FN silicon must re-validate USB clocking and FlexNVM partitioning defaults. Always set the FSEC register to a non-secure value before mass production, or the JTAG will be permanently locked and field updates impossible.

Informations de conformité

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Sans plomb
Yes
Sans halogène
Yes
Minerais de conflit
Compliant

RoHS and REACH compliant per NXP product page. Standard (non-automotive) grade; not AEC-Q100 qualified - choose MK22FN512VLL12-Q1 for automotive.

Données vérifiées le : 2026-10-09 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

MK22FX512VLL12 MK22FX512VLL12 datasheet NXP MK22FX512VLL12 Kinetis K22 120MHz Cortex-M4F MCU 512KB flash 100-LQFP K22 microcontroller MK22FX512VLL12 USB OTG embedded MK22FX512VLL12 vs MK22FN512VLL12 MK22FX512VLL12 drop-in replacement MK22FX512VLL12 buy price stock Kinetis K22F FlexMemory usage MK22FX512VLL12 lead time NRND low-power Cortex-M4 MCU USB

Composants & termes associés

NXP Semiconductors MK22FX512VLL12 Kinetis K22F ARM Cortex-M4F FPU DSP FlexMemory FlexNVM FlexRAM USB OTG FTM ADC DAC 100-LQFP RoHS REACH JTAG NVIC Kinetis SDK IRC48M POS terminal BLDC motor control
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