MKE02Z64VLC2 - 20MHz Cortex-M0+ 64KB Flash MCU | NXP Kinetis
MPN: MKE02Z64VLC2 ✓ Hoạt độngMKE02Z64VLC2 Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, peripherals, and I/O. The Cortex-M0+ is the most energy-efficient Arm core for entry-level MCUs, while the Kinetis E series is NXP's 5 V-tolerant, EMC-robust MCU family for white goods, industrial sensors, and automotive body modules. The KE02 is the entry-point sub-family of the Kinetis E family and is pin-compatible with the broader E series and with NXP's legacy 8-bit S08P family, enabling easy migration from older designs.
Key features include a 20 MHz Cortex-M0+ core with single-cycle 32-bit x 32-bit hardware multiplier, 64 KB program flash, 4 KB SRAM, an integrated 16-bit ADC, multiple serial communication interfaces (typically UART, SPI, I2C), timers, and a 5 V-tolerant I/O structure. The part supports low-power run, wait, and stop modes, and includes a low-voltage detect / brown-out reset block that holds the part in reset when VDD falls below safe thresholds. Hardware CRC, watchdog, and clock-loss detection improve functional safety at the system level.
The KE02 architecture uses a fast Cortex-M0+ core coupled with a multi-layer AHB-Lite bus matrix, giving deterministic interrupt latency for real-time control loops. The flash memory controller and SRAM share a single 32-bit AHB-Lite port, while peripheral bridges expose timers, ADC, and communication modules at a separate bus speed. This split-bus design keeps ADC sampling and PWM switching predictable even when the CPU is servicing interrupts.
Typical applications include white-goods motor control (washing machines, dishwashers, small appliances), industrial sensor conditioning, building automation nodes, low-end body-control automotive modules, and HVAC fan/pump control. The wide 5 V tolerance and -40 C to +105 C ambient rating also suit outdoor lighting and smart-meter peripherals.
When designing with this part, ensure that the 5 V-tolerant I/O pins do not exceed VDDA + 0.3 V and that decoupling capacitors are placed within 5 mm of each supply pin. For high-noise industrial environments, place a ferrite bead on the analog supply and add an external watchdog supervisor if the application requires a SIL-class safety level.
This page synthesizes XAIPART distributor pricing, drop-in Kinetis E alternatives, and practical design notes not collected in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MKE02Z64VLC2 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
MKE02Z64VLC4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE02Z32VLC2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE02Z32VLC4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S9KEAZN64AMLC
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE02Z64VLC2 Tỷ lệ tối đa & tính chất điện
| Core | Arm Cortex-M0+ 32-bit |
| Maximum CPU Frequency | 20 MHz |
| Program Flash | 64 KB |
| SRAM | 4 KB |
| Operating Voltage (VDD) | 2.7 V to 5.5 V |
| Flash Write Voltage Range | 2.7 V to 5.5 V |
| Ambient Operating Temperature | -40 C to +105 C |
| Single-Cycle Multiplier | 32-bit x 32-bit |
| ADC | 16-bit SAR |
| Hộp | 32-LQFP (7x7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Số chân | 32 |
| I/O Tolerance | 5 V tolerant |
| Trạng thái RoHS | Compliant |
| Low-Voltage Detect | Yes (LVD/BOD) |
| Watchdog | Yes (COP) |
| Clock Source | Internal FLL + external crystal option |
Cấu hình chân MKE02Z64VLC2
| Chân 1 | PTC0 — General-purpose I/O / peripheral function |
| Chân 2 | PTC1 — General-purpose I/O / peripheral function |
| Chân 3 | PTC2 — General-purpose I/O / peripheral function |
| Chân 4 | PTC3 — General-purpose I/O / peripheral function |
| Chân 5 | PTC4 — General-purpose I/O / peripheral function |
| Chân 6 | PTC5 — General-purpose I/O / peripheral function |
| Chân 7 | PTC6 — General-purpose I/O / peripheral function |
| Chân 8 | PTC7 — General-purpose I/O / peripheral function |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDDA — Analog supply voltage |
| Chân 11 | VSSA — Analog ground reference |
| Chân 12 | PTB0 — General-purpose I/O / peripheral function |
| Chân 13 | PTB1 — General-purpose I/O / peripheral function |
| Chân 14 | PTB2 — General-purpose I/O / peripheral function |
| Chân 15 | PTB3 — General-purpose I/O / peripheral function |
| Chân 16 | PTB4 — General-purpose I/O / peripheral function |
| Chân 17 | PTB5 — General-purpose I/O / peripheral function |
| Chân 18 | PTA0 — General-purpose I/O / peripheral function |
| Chân 19 | PTA1 — General-purpose I/O / peripheral function |
| Chân 20 | PTA2 — General-purpose I/O / peripheral function |
| Chân 21 | PTA3 — General-purpose I/O / peripheral function |
| Chân 22 | PTA4 — General-purpose I/O / peripheral function |
| Chân 23 | PTA5 — General-purpose I/O / peripheral function |
| Chân 24 | PTA6 — General-purpose I/O / peripheral function |
| Chân 25 | PTA7 — General-purpose I/O / peripheral function |
| Chân 26 | PTD0 — General-purpose I/O / peripheral function |
| Chân 27 | PTD1 — General-purpose I/O / peripheral function |
| Chân 28 | PTD2 — General-purpose I/O / peripheral function |
| Chân 29 | PTD3 — General-purpose I/O / peripheral function |
| Chân 30 | PTD4 — General-purpose I/O / peripheral function |
| Chân 31 | PTD5 — General-purpose I/O / peripheral function |
| Chân 32 | VDD — Digital supply voltage |
Ứng dụng tiêu biểu
MKE02Z64VLC2 phù hợp cho 6 Áp dụngs: White Goods Motor Control, Industrial Sensor Conditioning, Building Automation Nodes, Low-End Automotive Body Modules, HVAC Fan and Pump Control, Smart-Meter Peripheral Controller.
White Goods Motor Control
The MKE02Z64VLC2 fits washing-machine, dishwasher, and refrigerator motor-control boards because its 5V-tolerant I/O and 2.7-5.5V supply match industrial 5V rails directly without level shifters. The 20MHz Cortex-M0+ core and single-cycle 32-bit multiplier execute field-oriented control (FOC) loops for small BLDC pumps and fans with deterministic interrupt latency. The 16-bit ADC samples back-EMF and current-sense signals at rates needed for sensorless ramp-up, while the on-chip 64KB flash holds both the control algorithm and a safety diagnostic library.
Được đề xuất
Industrial Sensor Conditioning
The MKE02Z64VLC2 is well suited for analog sensor signal conditioning nodes such as 4-20mA loop transmitters, RTD conditioning, and strain-gauge bridges. Its 16-bit ADC with PGA front end resolves sub-microvolt signals from bridge sensors, while the 5V tolerance allows direct interface to legacy 5V analog front ends. The 4KB SRAM buffers sample averages and digital-filter history, and the 64KB flash stores calibration tables and linearization curves for factory trim.
Được đề xuất
Building Automation Nodes
The MKE02Z64VLC2 anchors low-cost building-automation nodes such as BACnet/Modbus field devices, occupancy sensors, and HVAC actuators. Its -40C to +105C ambient range handles rooftop equipment and unheated mechanical spaces. The 64KB flash holds BACnet MS-TP or Modbus RTU protocol stacks alongside the application logic, and the 4KB SRAM buffers telemetry before uplink. The integrated low-voltage detect holds the MCU in reset during brownout, preventing corrupted flash writes on noisy 24VAC-derived rails.
Được đề xuất
Low-End Automotive Body Modules
The MKE02Z64VLC2 and its automotive-grade sibling S9KEAZN64AMLC drive low-end body-control functions such as seat controllers, mirror modules, ambient lighting, and HVAC flaps. The wide 5V tolerance tolerates load-dump transients when paired with an external TVS, while the 16-bit ADC reads position sensors for actuator feedback. Hardware CRC and watchdog (COP) provide the diagnostic coverage required for ISO 26262 ASIL-A body-control modules. AEC-Q100 compliance is achieved by selecting the S9KEAZ pin-compatible variant for production.
Được đề xuất
HVAC Fan and Pump Control
The MKE02Z64VLC2's 20MHz Cortex-M0+ core and flexible timer structure make it a strong fit for HVAC variable-speed fan and pump controllers using single-shunt or sensorless BLDC topologies. The 16-bit ADC samples DC-bus current and back-EMF for commutation, while the on-chip PWM timers drive a three-phase gate driver through level shifters. The 64KB flash holds both the FOC algorithm and a small RTOS scheduler for parallel temperature and pressure-loop tasks, and the 5V I/O drives legacy blower-interface signals directly.
Được đề xuất
Smart-Meter Peripheral Controller
The MKE02Z64VLC2 serves as the metrology-peripheral controller in split-architecture smart electricity and gas meters, offloading LCD drive, tamper detection, and communication routing from the main metrology IC. The 5V-tolerant I/O reads mechanical tamper switches and drives LCD segments through charge-pump circuitry. The 64KB flash stores AMI meter protocol firmware (DLMS/COSEM or wireless M-Bus) and secure key storage, while the 4KB SRAM holds display buffers and rolling tamper-event logs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MKE02Z64VLC2 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MKE02Z64VLC4 | MKE02Z32VLC2 | S9KEAZN64AMLC |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-32 (7x7 mm) | LQFP-32 (7x7 mm) - same | LQFP-32 (7x7 mm) - same | LQFP-32 - same |
| Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash | 64 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| AEC-Q100 | No (industrial) | No (industrial) | No (industrial) | Yes |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +125 C (AEC-Q100 Grade 1) |
Bảo phân biệt quan trọng
- Highest-density 5V flash option in KE02 LQFP-32 family (vsMKE02Z32VLC2)
- Industrial-grade -40C to +105C rating (vsS9KEAZN64AMLC)
- Same LQFP-32 footprint across the KE02 family (vsMKE02Z64VLD2R)
Ghi chú thiết kế
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of every VDD/VDDA pin, plus a single 4.7 uF bulk capacitor near the supply entry point. The 5V-tolerant I/O structure draws short switching currents during edge transitions; place the decoupling cap on the same side as the pin to minimize loop inductance. Avoid routing digital return currents through the VSSA plane to prevent ADC offset drift.
Route the external crystal traces within 5 mm of the XTAL pins, keep them short and symmetric, and surround them with a ground guard ring. The internal FLL multiplies the crystal reference up to the 20 MHz bus clock; long or asymmetric traces cause jitter and intermittent startup failures. Place a 1 MOhm parallel resistor across the crystal for CMOS-style crystals to bias the internal inverter into its linear region.
The LQFP-32 package has a typical theta_JA of approximately 65 C/W on a 2-layer JEDEC test board. At maximum operating ambient (105 C), continuous core draw at full 20 MHz keeps junction rise below 10 C above ambient, well within the 125 C silicon limit. For chassis-mounted designs with poor airflow, add a thermal relief copper pour under the package and stitch vias to the inner ground plane.
Do not drive any 5V-tolerant I/O above VDDA + 0.3 V, even transiently, because the ESD diodes will forward-conduct and inject current into the analog supply rail. Always assert RESET during power-up and use the internal LVD (low-voltage detect) thresholds to hold the part in reset below 2.7 V. Programming the flash outside the 2.7-5.5 V range causes permanent cell damage and is not recoverable.
Thông tin tuân thủ
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified (industrial/consumer). For automotive AEC-Q100 grade, choose pin-compatible S9KEAZN64AMLC instead. Halogen-free mold compound confirmed by NXP material declaration.