MKE14F512VLL16557 - 168MHz Cortex-M4F 512KB MCU | NXP
MPN: MKE14F512VLL16557 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.04 | $3.04 |
| 10 | $2.74 | $27.40 |
| 100 | $2.43 | $243.00 |
| 500 | $2.15 | $1,075.00 |
| 1,000 | $1.91 | $1,910.00 |
MKE14F512VLL16557 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and RAM), and a wide range of peripherals such as timers, ADC/DAC, communication interfaces, and GPIOs into a single IC. Within the broader semiconductor taxonomy, the MKE14F512VLL16557 sits under microcontroller -> embedded processor -> integrated circuit -> semiconductor, and within NXP's portfolio under Kinetis E series -> ARM Cortex-M4 based MCU. The Cortex-M4F architecture adds IEEE 754 single-precision floating-point and DSP extensions, enabling efficient execution of control-loop algorithms, signal processing, and motor-control math.
Key features of this part include 512 KB program Flash, 64 KB SRAM (typical KE1xF configuration), a 12-bit ADC with up to 1 MSPS conversion rate, multiple FlexTimer modules, up to four UART modules, two SPI and two I2C ports, and a CAN 2.0B interface. The device supports operating voltages from 2.7V to 5.5V and an industrial temperature range of -40C to +105C.
Technically, the KE1xF family is built on a 90 nm flash process and uses an ARM Cortex-M4F core with a 3-stage pipeline. The 168 MHz core mark delivers 1.25 DMIPS/MHz, sufficient for closed-loop motor control and real-time industrial protocols. The integrated FPU eliminates the need for an external math coprocessor, while DSP instructions accelerate FFT and FIR filter operations used in sensor conditioning.
Typical applications include industrial motor control (BLDC/PMSM), building automation, smart metering, HVAC control, point-of-sale terminals, and human-machine interface (HMI) panels. The large 512 KB Flash and broad peripheral mix make it well-suited for protocol stacks such as Modbus, CANopen, and PROFINET that demand both memory and real-time determinism.
When designing with the MKE14F512VLL16557, ensure decoupling capacitors are placed close to the multiple VDD/VSS pin pairs of the 100-LQFP package and that the analog supply (VDDA) is filtered separately to achieve the ADC's specified SNR. The NXP Kinetis SDK and Processor Expert configuration tools provide pin-muxing and peripheral initialization code, significantly reducing firmware bring-up time.
This page synthesizes distributor pricing (as of 2026-10-19), same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for MKE14F512VLL16557 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MKE14F512VLL16557 (same form factor and footprint) — differing in Package, Core, Operating Temperature, ADC, Flash Memory.
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View Datasheet →MKE14F512VLL16557 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F |
| Core Architecture | ARM 32-bit |
| Maximum CPU Frequency | 168 MHz |
| FPU | Single-precision IEEE 754 |
| DSP Instructions | Yes |
| Program Flash | 512 KB |
| SRAM | 64 KB |
| Package | 100-LQFP (14x14 mm) |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +105 C |
| ADC | 12-bit, up to 1 MSPS |
| Communication Interfaces | UART x4, SPI x2, I2C x2, CAN 2.0B |
| Timers | FlexTimer (FTM), PIT, LPTMR |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Family | Kinetis KE1xF |
| Lead-Free | Yes |
MKE14F512VLL16557 Pin Configuration
| Pin 1 | PTE0 — General-purpose I/O / UART1_TX |
| Pin 2 | PTE1 — General-purpose I/O / UART1_RX |
| Pin 3 | PTE2 — General-purpose I/O / SPI1_SCK |
| Pin 4 | PTE3 — General-purpose I/O / SPI1_MISO |
| Pin 5 | PTE4 — General-purpose I/O / SPI1_MOSI |
| Pin 6 | PTE5 — General-purpose I/O / FTM0_CH5 |
| Pin 7 | PTE6 — General-purpose I/O / FTM0_CH6 |
| Pin 8 | VDD — Digital supply voltage |
| Pin 9 | VSS — Digital ground |
| Pin 10 | PTA0 — General-purpose I/O / FTM0_CH0 |
| Pin 11 | PTA1 — General-purpose I/O / FTM0_CH1 |
| Pin 12 | PTA2 — General-purpose I/O / FTM0_CH2 |
| Pin 13 | PTA3 — General-purpose I/O / FTM0_CH3 |
| Pin 14 | PTA4 — General-purpose I/O / FTM0_CH4 |
| Pin 15 | PTA5 — General-purpose I/O / FTM0_CH5 |
| Pin 16 | PTA6 — General-purpose I/O |
| Pin 17 | PTA7 — General-purpose I/O |
| Pin 18 | PTB0 — General-purpose I/O / ADC0_SE0 |
| Pin 19 | PTB1 — General-purpose I/O / ADC0_SE1 |
| Pin 20 | PTB2 — General-purpose I/O / ADC0_SE2 |
| Pin 21 | PTB3 — General-purpose I/O / ADC0_SE3 |
| Pin 22 | PTB4 — General-purpose I/O / ADC0_SE4 |
| Pin 23 | PTB5 — General-purpose I/O / ADC0_SE5 |
| Pin 24 | PTB6 — General-purpose I/O / ADC0_SE6 |
| Pin 25 | PTB7 — General-purpose I/O / ADC0_SE7 |
| Pin 26 | PTC0 — General-purpose I/O / FTM1_CH0 |
| Pin 27 | PTC1 — General-purpose I/O / FTM1_CH1 |
| Pin 28 | PTC2 — General-purpose I/O / FTM1_CH2 |
| Pin 29 | PTC3 — General-purpose I/O / FTM1_CH3 |
| Pin 30 | PTC4 — General-purpose I/O / FTM1_CH4 |
| Pin 31 | PTC5 — General-purpose I/O / FTM1_CH5 |
| Pin 32 | PTC6 — General-purpose I/O / CAN0_TX |
| Pin 33 | PTC7 — General-purpose I/O / CAN0_RX |
| Pin 34 | PTD0 — General-purpose I/O / SPI0_SCK |
| Pin 35 | PTD1 — General-purpose I/O / SPI0_MOSI |
| Pin 36 | PTD2 — General-purpose I/O / SPI0_MISO |
| Pin 37 | PTD3 — General-purpose I/O / SPI0_PCS0 |
| Pin 38 | PTD4 — General-purpose I/O / I2C0_SDA |
| Pin 39 | PTD5 — General-purpose I/O / I2C0_SCL |
| Pin 40 | PTD6 — General-purpose I/O / UART2_TX |
| Pin 41 | PTD7 — General-purpose I/O / UART2_RX |
| Pin 42 | PTE16 — General-purpose I/O / UART0_TX |
| Pin 43 | PTE17 — General-purpose I/O / UART0_RX |
| Pin 44 | PTE18 — General-purpose I/O |
| Pin 45 | PTE19 — General-purpose I/O |
| Pin 46 | PTE20 — General-purpose I/O |
| Pin 47 | PTE21 — General-purpose I/O |
| Pin 48 | PTE22 — General-purpose I/O |
| Pin 49 | PTE23 — General-purpose I/O |
| Pin 50 | PTE24 — General-purpose I/O |
| Pin 51 | PTE25 — General-purpose I/O |
| Pin 52 | PTE26 — General-purpose I/O |
| Pin 53 | PTE27 — General-purpose I/O |
| Pin 54 | PTE28 — General-purpose I/O |
| Pin 55 | PTE29 — General-purpose I/O |
| Pin 56 | PTE30 — General-purpose I/O |
| Pin 57 | PTE31 — General-purpose I/O |
| Pin 58 | VDDA — Analog supply voltage |
| Pin 59 | VSSA — Analog ground |
| Pin 60 | VREFH — ADC reference voltage high |
| Pin 61 | VREFL — ADC reference voltage low |
| Pin 62 | PTF0 — General-purpose I/O |
| Pin 63 | PTF1 — General-purpose I/O |
| Pin 64 | PTF2 — General-purpose I/O |
| Pin 65 | PTF3 — General-purpose I/O |
| Pin 66 | PTF4 — General-purpose I/O |
| Pin 67 | PTF5 — General-purpose I/O |
| Pin 68 | PTF6 — General-purpose I/O |
| Pin 69 | PTF7 — General-purpose I/O |
| Pin 70 | PTG0 — General-purpose I/O |
| Pin 71 | PTG1 — General-purpose I/O |
| Pin 72 | PTG2 — General-purpose I/O |
| Pin 73 | PTG3 — General-purpose I/O |
| Pin 74 | PTG4 — General-purpose I/O |
| Pin 75 | PTG5 — General-purpose I/O |
| Pin 76 | PTG6 — General-purpose I/O |
| Pin 77 | PTG7 — General-purpose I/O |
| Pin 78 | PTH0 — General-purpose I/O |
| Pin 79 | PTH1 — General-purpose I/O |
| Pin 80 | PTH2 — General-purpose I/O |
| Pin 81 | PTH3 — General-purpose I/O |
| Pin 82 | PTH4 — General-purpose I/O |
| Pin 83 | PTH5 — General-purpose I/O |
| Pin 84 | PTH6 — General-purpose I/O |
| Pin 85 | PTH7 — General-purpose I/O |
| Pin 86 | RESET_b — Reset input (active low) |
| Pin 87 | PTI0 — General-purpose I/O / NMI |
| Pin 88 | PTI1 — General-purpose I/O |
| Pin 89 | PTI2 — General-purpose I/O |
| Pin 90 | PTI3 — General-purpose I/O |
| Pin 91 | PTI4 — General-purpose I/O |
| Pin 92 | PTI5 — General-purpose I/O |
| Pin 93 | PTI6 — General-purpose I/O |
| Pin 94 | PTI7 — General-purpose I/O |
| Pin 95 | VDD — Digital supply voltage |
| Pin 96 | VSS — Digital ground |
| Pin 97 | XTAL0 — Crystal oscillator input |
| Pin 98 | EXTAL0 — External clock input / crystal output |
| Pin 99 | VDD — Digital supply voltage |
| Pin 100 | VSS — Digital ground |
Typical Applications
MKE14F512VLL16557 is suitable for 6 applications: Industrial Motor Control (BLDC/PMSM), Building Automation and HVAC, Smart Metering and Energy Monitoring, Human-Machine Interface (HMI) Panels, Point-of-Sale (POS) Terminals, Industrial Sensor Hubs and IoT Gateways.
Industrial Motor Control (BLDC/PMSM)
The MKE14F512VLL16557 drives BLDC and PMSM motors with deterministic real-time control. Its 168 MHz Cortex-M4F core executes Park/Clarke transforms and PI control loops within PWM cycles, while the single-precision FPU accelerates vector math. The integrated FlexTimer modules produce complementary PWM outputs with programmable dead-time insertion, and the 12-bit ADC samples phase currents at up to 1 MSPS for field-oriented control (FOC). With 512 KB Flash it fits full motor-startup, commutation, and protection state machines, plus optional CANopen or Modbus stacks. The 100-LQFP package supports industrial -40C to +105C operation, making it suitable for factory-automation servo drives and pumps.
Recommended
Building Automation and HVAC
The MKE14F512VLL16557 is well suited to building-automation controllers, VAV damper actuators, and HVAC thermostat hubs. Its 168 MHz performance handles multi-protocol stacks (BACnet MS/TP, Modbus RTU, CANopen) simultaneously, and 512 KB Flash accommodates full protocol plus application logic without external memory. The four UARTs let the MCU bridge between BACnet MS/TP, Modbus, and a Wi-Fi/BLE module, while the integrated CAN 2.0B controller supports building-automation CAN networks. Low-power Run and Wait modes extend battery life in wireless thermostat designs, and the 100-LQFP industrial temperature rating meets indoor equipment thermal requirements across climate zones.
Recommended
Smart Metering and Energy Monitoring
The MKE14F512VLL16557 fits single- and three-phase smart electricity meters that need accurate ADC sampling and cryptographic support. Its 12-bit ADC with up to 1 MSPS conversion rate captures voltage and current waveforms for real-time power calculation, while the Cortex-M4F DSP instructions accelerate FFT-based harmonic analysis. The 512 KB Flash holds metering firmware plus DLMS/COSEM or IEC 62056 protocol stacks, and the CAN/UART interfaces link to concentrators or PLC modules. Industrial -40C to +105C operation supports outdoor cabinet installations, and the 100-LQFP footprint gives ample GPIO for metering-specific I/O such as tamper detection and metrology pulse outputs.
Recommended
Human-Machine Interface (HMI) Panels
The MKE14F512VLL16557 powers small-to-medium HMI panels with TFT LCD displays and touch input. The 168 MHz Cortex-M4F renders graphics primitives and manages touch events in real time, while 512 KB Flash stores graphical assets, fonts, and the Modbus/Profinet slave stack. SPI ports connect to TFT LCD controllers, and I2C links to capacitive touch sensors. The FlexTimer modules generate backlight PWM dimming signals and the ADC reads ambient light for auto-brightness. Industrial operating temperature ensures reliable operation in factory-floor panels exposed to elevated ambient temperatures near machinery.
Recommended
Point-of-Sale (POS) Terminals
The MKE14F512VLL16557 supports compact POS terminal designs that need secure payment processing and multi-peripheral connectivity. The 168 MHz Cortex-M4F runs payment firmware stacks and cryptographic operations efficiently, while 512 KB Flash accommodates EMV kernel plus merchant application logic. UART ports connect to receipt printers and barcode scanners, SPI links to secure PIN-pad ICs, and I2C interfaces with NFC readers. The integrated CAN 2.0B controller is useful for in-vehicle POS hardware. Industrial temperature rating supports deployments in semi-outdoor retail kiosks and food-service terminals with elevated ambient heat.
Recommended
Industrial Sensor Hubs and IoT Gateways
The MKE14F512VLL16557 acts as an edge sensor hub aggregating analog and digital sensors and forwarding data over industrial Ethernet or CAN. Its 12-bit ADC with multiple channels samples analog sensors directly, while the four UARTs interface to GPS, Bluetooth, and RS-485 sensor nodes. The 168 MHz performance runs edge filtering algorithms (FIR/IIR) locally before forwarding summarized data upstream. The 512 KB Flash fits TLS/DTLS stacks and OTA bootloader code, and the 100-LQFP's industrial temperature rating supports factory-floor and outdoor enclosure deployments with extended thermal margins.
Recommended
Recommended Products Summary
Engineering reference data for MKE14F512VLL16557 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MKE14F512VLL16 | MKE16Z512VLL16 | MKE18F512VLL16 | MK21DN512AVLK5 | MK10DN512VLK10 | STM32F407VGT6 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M0+ | ARM Cortex-M4F | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4F |
| Maximum CPU Frequency | 168 MHz | 168 MHz | 72 MHz | 168 MHz | 50 MHz | 100 MHz | 168 MHz |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 1 MB |
| FPU | Yes (single-precision) | Yes | No (Cortex-M0+) | Yes | No (Cortex-M4) | No (Cortex-M4) | Yes |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes | Yes | Yes (bxCAN) |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C |
Key Differentiators
- Higher CPU frequency with FPU than K1x/K2x family (vs MK21DN512AVLK5)
- Kinetis SDK and MCUXpresso IDE support (vs STM32F407VGT6)
- Industrial temperature range to +105C (vs STM32F407VGT6)
Design Notes
The MKE14F512VLL16557 has multiple VDD/VSS pin pairs around the 100-LQFP perimeter plus separate VDDA/VSSA for the analog supply. Place a 100 nF decoupling capacitor on every VDD pin and a single 4.7 uF bulk capacitor near the IC. Power VDDA from VDD through a ferrite bead and decouple it with 100 nF plus 10 uF to achieve the ADC's full SNR. Avoid routing digital signals under the analog supply traces.
Use a 4-layer PCB with a continuous ground plane beneath the MCU for the 100-LQFP footprint. Route the crystal traces (XTAL0/EXTAL0) symmetrically with short, matched lengths, and keep them away from switching signal traces. The exposed pad of LQFP packages is not present here (LQFP-100 has gull-wing leads only), but the bottom-side ground plane provides thermal dissipation - extend copper pours under the IC for improved thermal performance at high CPU loads.
The reset pin (RESET_b) is active-low and requires a 10 kOhm pull-up to VDD plus a 100 nF capacitor to ground for noise immunity. Do not leave unused GPIO pins floating - configure them as outputs or enable internal pull-ups in firmware to minimize current draw. The Kinetis KE1xF bootloader requires specific pin states at reset to enter ISP mode - consult the NXP reference manual before designing the boot-mode selection circuitry.
The Cortex-M4F core can execute from Flash with zero wait states up to 168 MHz, but only if Flash prefetch and buffering are properly enabled. Configure the Flash memory controller in the SystemInit() routine before raising the CPU clock. Failing to enable Flash prefetch causes instruction fetch stalls that increase interrupt latency and reduce deterministic motor-control loop performance.
Compliance Information
RoHS and REACH compliance per NXP product page. AEC-Q100 automotive qualification status not confirmed in retrieved web data - consult NXP documentation for specific automotive-grade variants. Lead-free confirmed.