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NXP USA Inc. MKL14Z64VFM4R — Microcontrollers & Processors (MCU / MPU / DSP)

NXP MKL14Z64VFM4R Kinetis KL1 MCU, ARM Cortex-M0+ 48MHz, 64KB Flash

MPNMKL14Z64VFM4R
Active

NXP Kinetis KL1 series, ARM Cortex-M0+ 32-bit MCU, 48 MHz, 64 KB Flash, 8 KB RAM, 28 I/O, 9×12b ADC, I²C/SPI/UART/LINbus, internal oscillator, 1.71–3.6 V, -40°C to 105°C, 32-HVQFN (5×5) wettable-flank package, tape & reel.

$4.1265Ref. price · indicative, final on quote
NXP USA Inc. MKL14Z64VFM4R datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

MKL14Z64VFM4R specifications
ParameterValue
SeriesKinetis KL1
MountingSurface Mount, Wettable Flank
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.71V ~ 3.6V
Operating temperature-40°C~105°C(TA)
Speed48MHz
PackageTape & Reel (TR)
RAM size8K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, LVD, POR, PWM, WDT
ConnectivityI²C, LINbus, SPI, UART/USART
Number of i (O)28
Core processorARM® Cortex®-M0+
Case32-VFQFN Exposed Pad
Data convertersA/D 9x12b
Program memory size64KB (64K x 8)

Product details

The MKL14Z64VFM4R runs an ARM Cortex-M0+ at 48 MHz. That clock rate is enough for a single motor-control loop at a few kHz, a sensor-fusion task reading three I²C IMUs, or a Modbus RTU slave polling cycle under 1 ms. It is not a DSP-class core — there is no hardware multiplier pipeline for heavy math — so keep FFTs or floating-point filtering on the host side. For the target applications (appliance control, pump drives, HVAC zone controllers) the 48 MHz ceiling is comfortable headroom, not a constraint.

64 KB Flash / 8 KB RAM — sizing the firmware image

64 KB Flash and 8 KB RAM is the entry-level density in the Kinetis KL1 family.

Wettable-flank HVQFN — AOI-friendly, no hidden solder joints

The 32-HVQFN (5×5 mm) package with wettable flanks means the side terminals are plated for solder wetting, so an automated optical inspection (AOI) system can verify each joint after reflow.

Frequently asked questions

What is the closest pin-compatible alternative to MKL14Z64VFM4R?

The MKL16Z64VFM4 (128 KB Flash / 16 KB RAM) is pin-compatible in the same 32-HVQFN footprint, same supply range and temperature grade. It is a direct upgrade path without a board spin.

What is MKL14Z64VFM4R's listed speed?

The core runs at 48 MHz.

What compliance documentation does NXP provide for MKL14Z64VFM4R?

NXP provides RoHS and REACH compliance documentation for this part. The package is lead-free and the wettable-flank HVQFN is compatible with lead-free reflow profiles.