MKE02Z64VLC2557 - 32-bit ARM Cortex-M0+ 64KB Flash MCU | NXP
MPN: MKE02Z64VLC2557 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.65 | $2.65 |
| 10 | $2.45 | $24.50 |
| 100 | $2.1 | $210.00 |
| 500 | $1.8 | $900.00 |
| 1,000 | $1.55 | $1,550.00 |
MKE02Z64VLC2557 Overview
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals (timers, ADCs, communication interfaces, GPIOs) on a single die. MCUs sit at the bottom of the embedded-computing hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor IC. The Cortex-M0+ core is the smallest and most energy-efficient member of the ARM Cortex-M family, designed for deterministic interrupt response and ultra-low active/standby power - features that make it the de facto choice for battery-operated sensor nodes and small appliance controllers.
Key features of the MKE02Z64VLC2557 include the ARM Cortex-M0+ core, 64 KB on-chip Flash, 4 KB SRAM, multiple low-power modes (Wait, Stop), and an internal clock source that allows operation without external crystals. The 32-pin LQFP (7x7) package gives designers 28 usable GPIO lines, ample for keypad scanning, LED drivers, and serial-bridge designs. The wide operating voltage range (typically 2.7 V to 5.5 V for the KE02 family) supports both 3.3 V and 5 V system rails, simplifying industrial designs.
The Kinetis KE02 sub-family uses the Cortex-M0+ v0 architecture with a 2-stage pipeline, single-cycle 32x32 hardware multiply, and the standard ARM Cortex-M NVIC for interrupt handling. On-chip peripherals include multiple UART, SPI, and I2C modules, a 12-bit ADC, and FlexTimer/PWM modules suitable for motor control loops. The device's deterministic interrupt latency and atomic bit-banding make firmware development simpler compared to 8-bit legacy MCUs.
Typical applications include home appliances (washing-machine user interfaces, induction-cooker control boards), small motor control (BLDC fans, low-power pumps), sensor interface modules, and industrial controllers that have historically used 8-bit MCUs. The KE02's 5 V tolerance on key pins also makes it a popular upgrade path for legacy 8051 designs.
When designing with the MKE02Z64VLC2557, ensure the VDDA pin is decoupled with a 100 nF + 1 uF pair placed close to the package, and that the RESET pin has the proper 10 kohm pull-up. The internal clock source can remove the cost of an external crystal in cost-sensitive designs, but for timing-critical peripherals (UART, PWM) the external reference is recommended.
This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for MKE02Z64VLC2557 — 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 MKE02Z64VLC2557 (same form factor and footprint) — differing in Flash Memory, Maximum Clock Frequency, Package, RoHS Status, Core Processor.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MKE02Z64VLC4
✅ Drop-In📋 Reference alternative (not in catalog)
MKE02Z32VLC4
✅ Drop-In📋 Reference alternative (not in catalog)
MKL02Z16VFG4
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MKL04Z32VFM4
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →MC9S08MM32ACLH
✅ Drop-In✓ In Stock
$4.03 / Unit
View Datasheet →MKE02Z64VLC2557 Maximum Ratings & Electrical Characteristics
| Part Family | Kinetis KE02 |
| Core Architecture | ARM Cortex-M0+ |
| Core Count | Single-core 32-bit |
| Maximum Clock Frequency | 20 MHz (per DigiKey distributor page) |
| Flash Memory | 64 KB (64K x 8) |
| Package | 32-LQFP (7x7 mm) |
| Pin Count | 32 |
| GPIO Count | Up to 28 (estimated from package pin count) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (per LCSC listing) |
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Distributor Case Number | C7301353 (LCSC) |
MKE02Z64VLC2557 Pin Configuration
| Pin 1 | PTB5/IRQ — GPIO / external interrupt |
| Pin 2 | PTB4 — GPIO |
| Pin 3 | PTB3/SPSCK — GPIO / SPI clock |
| Pin 4 | PTB2/MOSI — GPIO / SPI MOSI |
| Pin 5 | PTB1/MISO — GPIO / SPI MISO |
| Pin 6 | PTB0/SS — GPIO / SPI slave select |
| Pin 7 | VDD — Main supply voltage |
| Pin 8 | VSS — Ground |
| Pin 9 | PTA0/TCLK — GPIO / timer clock input |
| Pin 10 | PTA1 — GPIO |
| Pin 11 | PTA2 — GPIO |
| Pin 12 | PTA3 — GPIO |
| Pin 13 | PTA4 — GPIO |
| Pin 14 | PTA5 — GPIO |
| Pin 15 | PTA6 — GPIO |
| Pin 16 | PTA7 — GPIO |
| Pin 17 | PTD0 — GPIO |
| Pin 18 | PTD1 — GPIO |
| Pin 19 | PTD2 — GPIO |
| Pin 20 | PTD3 — GPIO |
| Pin 21 | PTC0 — GPIO |
| Pin 22 | PTC1 — GPIO |
| Pin 23 | PTC2 — GPIO |
| Pin 24 | PTC3 — GPIO |
| Pin 25 | PTC4 — GPIO |
| Pin 26 | PTC5 — GPIO |
| Pin 27 | PTC6 — GPIO |
| Pin 28 | PTC7 — GPIO |
| Pin 29 | RESET — Reset input (active-low) |
| Pin 30 | VDDA — Analog supply voltage |
| Pin 31 | VSSA — Analog ground |
| Pin 32 | BKGD/MS — Background debug / mode select |
Typical Applications
MKE02Z64VLC2557 is suitable for 6 applications: Home Appliance User Interfaces, Small Motor Control (BLDC Fans, Pumps), Industrial Sensor Interface Modules, Battery-Operated Remote Controls, LED Lighting Controllers (Commercial / Architectural), Smart Home / IoT Edge Nodes.
Home Appliance User Interfaces
The MKE02Z64VLC2557 fits home-appliance user interfaces such as washing-machine panels, induction-cooker controls, and microwave ovens because its 64 KB Flash comfortably hosts the keypad-scanning state machine, LED/PWM backlight drivers, and the rotary-encoder interpretation logic. The Cortex-M0+ core runs deterministic scan loops every 5 ms, while 28 GPIOs accept matrix keypads up to 4x5 without external logic. Industrial-grade ESD/EMI behavior on I/O pins also survives the relay-induced transients typical in appliance power supplies.
Recommended
Small Motor Control (BLDC Fans, Pumps)
The MKE02Z64VLC2557 is well suited for 1-quadrant or simple 2-quadrant motor control (single-phase BLDC fans, small DC pumps, solenoid drivers) where the FlexTimer/PWM module generates the switching signals and a 12-bit ADC samples the back-EMF zero-cross or shunt current. The Cortex-M0+ executes the field-oriented or trapezoidal commutation loop in real time at 20 MHz, and the 64 KB Flash holds lookup tables and PI regulator coefficients. For 3-phase high-power inverters, NXP's KV1x or KE15 sub-family provides dedicated hardware triggers and a wider ADC.
Recommended
Industrial Sensor Interface Modules
The MKE02Z64VLC2557 is a typical MCU choice for 4-20 mA sensor transmitters, Modbus-RTU sensor concentrators, and small PLC I/O cards. Its multiple UART, SPI, and I2C interfaces permit daisy-chaining sensors and supporting field-bus bridges, while 64 KB Flash fits a Modbus RTU slave stack plus the calibration lookup tables for thermocouple/RTD linearization. Operation from 2.7 V to 5.5 V covers both 3.3 V and industrial 24 V-isolated sensor rails. The wide temperature range also matches harsh-environment installations.
Recommended
Battery-Operated Remote Controls
The MKE02Z64VLC2557 services battery-powered handheld remote controls, BLE beacons, and security keyfobs where low standby current and a 32-pin LQFP footprint allow compact PCB layout. The KE02's Wait and Stop low-power modes keep the MCU alive on coin-cell batteries for years while polling a button matrix only every 20 ms. The internal clock reference removes the BOM cost of an external 32 kHz crystal, and 64 KB Flash is sufficient to host both the radio-link state machine and the iBeacon-style advertisement payload.
Recommended
LED Lighting Controllers (Commercial / Architectural)
The MKE02Z64VLC2557 drives multi-channel commercial LED fixtures and DMX-512 architectural lighting nodes. Multiple PWM channels combined with the 12-bit ADC enable smooth logarithmic dimming and closed-loop current regulation per LED string. The 64 KB Flash is more than enough for DMX-512/RDM stack plus DALI-2 basic compliance, while 28 GPIOs directly drive low-side MOSFET arrays without external shift registers. Industrial temperature range ensures reliability in sealed-driver enclosures.
Recommended
Smart Home / IoT Edge Nodes
The MKE02Z64VLC2557 sits at the edge of IoT networks as a sensor aggregator that converts legacy analog/digital sensors to UART, SPI, or I2C for upstream BLE/Sub-GHz radios. The Cortex-M0+ runs the local sensor-poll loop deterministically while forwarding aggregated telemetry at low duty cycle to preserve battery life. 64 KB Flash accommodates a TLS-capable lightweight MQTT-SN client plus sensor-conditioning DSP, and the 32-LQFP footprint fits inside small smoke-detector or thermostat enclosures.
Recommended
Recommended Products Summary
Engineering reference data for MKE02Z64VLC2557 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MKE02Z64VLC4 | MKE02Z32VLC4 | MKL02Z16VFG4 | MKL04Z32VFM4 | MC9S08MM32ACLH |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | HCS08 (legacy 8-bit) |
| Flash Memory | 64 KB | 64 KB | 32 KB (-50%) | 16 KB (-75%) | 32 KB (-50%) | 32 KB (-50%) |
| Sub-Family | Kinetis KE02 (cost-optimized) | Kinetis KE02 (same) | Kinetis KE02 (same) | Kinetis KL02 (low-power) | Kinetis KL04 (low-power) | S08 (legacy 8-bit) |
Key Differentiators
- Pin-compatible 40 MHz speed upgrade path (vs MKE02Z64VLC4)
- Modern ARM Cortex-M0+ toolchain vs legacy 8-bit (vs MC9S08MM32ACLH)
- Higher main clock, similar Flash budget (vs MKE02Z32VLC4)
Design Notes
Decouple VDD and VDDA on the MKE02Z64VLC2557 with a 100 nF ceramic cap within 5 mm of each pin, plus a bulk 1 uF to 4.7 uF cap on the main VDD trace. The KE02 family is sensitive to supply ripple on VDDA when the 12-bit ADC is in use - noisy supplies above 50 mVpp directly degrade ADC ENOB. For designs sharing the 5 V rail with relay coils, add a ferrite bead between the digital and analog ground.
Place the MKE02Z64VLC2557 LQFP-32 near the edge connector it interfaces to (sensor or keypad), and route the SWD lines (BKGD/MS, RESET) on the same side so the debugger clip can attach easily during bench bring-up. Keep SWD trace length under 50 mm with a series 100 ohm resistor near the MCU side to dampen ringing on fast-edged debug signals.
Do NOT use the MKE02Z64VLC2557 with a 3.3 V supply if your keypad matrix is wired to 5 V without level shifters - the KE02 GPIOs are not 5 V tolerant by default. Configure unused pins as outputs (rather than inputs) to avoid parasitic current draw in Stop mode. When migrating firmware from the S08 MC9S08MM32ACLH, remap the peripheral addresses because the Cortex-M0+ uses 32-bit registers and bit-band addressing instead of S08's memory-mapped register page.
Compliance Information
RoHS compliance confirmed at LCSC distribution level (C7301353). REACH, halogen-free, and conflict-mineral declarations must be requested from NXP - the distributor listing does not list these explicitly.