MKE02Z64VLD2 - 20MHz Cortex-M0+ MCU, 64KB Flash, 44-LQFP | NXP
料号： MKE02Z64VLD2 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.52 | $6.52 |
| 10 | $5.84 | $58.40 |
| 100 | $4.93 | $493.00 |
| 500 | $4.21 | $2,105.00 |
| 1,000 | $3.62 | $3,620.00 |
MKE02Z64VLD2 概述
What is a Kinetis KE02 microcontroller? A Kinetis KE02 MCU is part of NXP's Kinetis E series of 32-bit ARM Cortex-M0+ microcontrollers designed for cost-sensitive, 5 V-tolerant, robust applications. In the taxonomy it falls under microcontroller -> 32-bit MCU -> ARM Cortex-M0+ MCU -> Kinetis E series -> KE02 sub-family. It is engineered for harsh electrical environments (high EMI, wide temperature range, brown-out immunity), making it a workhorse for appliance, industrial control, sensor interface, and automotive body-class applications.
Key features include 64 KB on-chip flash, 4 KB SRAM, a 20 MHz Cortex-M0+ core, an internal clock with multiple power modes (Run, Wait, Stop), a 12-bit ADC, timers, PWM, and communication peripherals including UART, SPI, and I2C. The 5 V-tolerant I/O simplifies interfacing to legacy analog and power components without level shifters.
Architecturally, the KE02 leverages an ARM Cortex-M0+ core with a Von-Neumann bus and a flash write voltage range of 2.7 V to 5.5 V. The Power Management Module (PMC) integrates three low-power modes to optimize energy efficiency in battery-powered or energy-starved nodes. Robust peripherals are tuned for industrial-grade EMC and ESD performance.
Typical applications include industrial sensor hubs, automotive body and lighting controllers, white goods and major-appliance motor control (BLDC/PMSM), HVAC controllers, and low-cost IoT edge nodes. The wide-supply 5 V tolerance makes it well-suited for retrofit 5 V designs dominated by analog sensor front-ends.
For designers, verify that your required peripheral set (ADC channels, timer/PWM count, communication port count) matches the LQFP-44 pinout before reuse; the KE02 sub-family offers variants with differing peripheral mixes in the same package. When migrating to a higher flash variant, the KE02Z64 footprint stays the same and the firmware platform remains binary-compatible.
直接替换替代料： MKE02Z64VLD2 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MKE02Z64VLD2 （相同外形与封装尺寸） ——差异在于 Package, Communication Interfaces, Series, Core, Data Bus Width.
快速对比工具——选择替代料号进行并排对比：
MKE02Z64VLD2R
✅ 直接替换📋 参考替代料（不在目录中）
MKE02Z32VLD2
✅ 直接替换✓ 有现货
$1.1 / 个
查看数据手册 →MKE02Z64VLD2 最大额定值与电气特性
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| Core Count | Single-Core |
| CPU Speed | 20 MHz |
| Program Memory Size | 64 KB (64K x 8) FLASH |
| RAM Size | 4 KB |
| Program Memory Type | FLASH |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Supply Voltage (3.3V / 5V) | 3.3V / 5V dual-rail support |
| 封装 | 44-LQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| Flash Write Voltage Range | 2.7 V to 5.5 V |
| Power Modes | Run, Wait, Stop |
| Series | Kinetis KE02 sub-family |
| Family Compatibility | Pin-compatible with Kinetis E series and Freescale S08P |
MKE02Z64VLD2 引脚配置
| 引脚 1 | PTE4 — General-purpose I/O / peripheral function |
| 引脚 2 | PTE5 — General-purpose I/O / peripheral function |
| 引脚 3 | PTE6 — General-purpose I/O / peripheral function |
| 引脚 4 | PTE7 — General-purpose I/O / peripheral function |
| 引脚 5 | VDD — Supply voltage (2.7 V to 5.5 V) |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | PTA0 — General-purpose I/O / peripheral function |
| 引脚 8 | PTA1 — General-purpose I/O / peripheral function |
| 引脚 9 | PTA2 — General-purpose I/O / peripheral function |
| 引脚 10 | PTA3 — General-purpose I/O / peripheral function |
| 引脚 11 | PTA4 — General-purpose I/O / peripheral function |
| 引脚 12 | PTA5 — General-purpose I/O / peripheral function |
| 引脚 13 | PTB0 — General-purpose I/O / peripheral function |
| 引脚 14 | PTB1 — General-purpose I/O / peripheral function |
| 引脚 15 | PTB2 — General-purpose I/O / peripheral function |
| 引脚 16 | PTB3 — General-purpose I/O / peripheral function |
| 引脚 17 | PTB4 — General-purpose I/O / peripheral function |
| 引脚 18 | PTB5 — General-purpose I/O / peripheral function |
| 引脚 19 | PTB6 — General-purpose I/O / peripheral function |
| 引脚 20 | PTB7 — General-purpose I/O / peripheral function |
| 引脚 21 | PTC0 — General-purpose I/O / peripheral function |
| 引脚 22 | PTC1 — General-purpose I/O / peripheral function |
| 引脚 23 | PTC2 — General-purpose I/O / peripheral function |
| 引脚 24 | PTC3 — General-purpose I/O / peripheral function |
| 引脚 25 | PTC4 — General-purpose I/O / peripheral function |
| 引脚 26 | PTC5 — General-purpose I/O / peripheral function |
| 引脚 27 | PTC6 — General-purpose I/O / peripheral function |
| 引脚 28 | PTC7 — General-purpose I/O / peripheral function |
| 引脚 29 | PTD0 — General-purpose I/O / peripheral function |
| 引脚 30 | PTD1 — General-purpose I/O / peripheral function |
| 引脚 31 | PTD2 — General-purpose I/O / peripheral function |
| 引脚 32 | PTD3 — General-purpose I/O / peripheral function |
| 引脚 33 | PTD4 — General-purpose I/O / peripheral function |
| 引脚 34 | PTD5 — General-purpose I/O / peripheral function |
| 引脚 35 | PTD6 — General-purpose I/O / peripheral function |
| 引脚 36 | PTD7 — General-purpose I/O / peripheral function |
| 引脚 37 | PTE0 — General-purpose I/O / peripheral function |
| 引脚 38 | PTE1 — General-purpose I/O / peripheral function |
| 引脚 39 | PTE2 — General-purpose I/O / peripheral function |
| 引脚 40 | PTE3 — General-purpose I/O / peripheral function |
| 引脚 41 | RESET — Reset input (active-low, bidirectional) |
| 引脚 42 | EXTAL — External clock input / crystal oscillator pin |
| 引脚 43 | XTAL — Crystal oscillator pin / external clock output |
| 引脚 44 | TCLK — Test clock / SWD clock (alternate function) |
典型应用
MKE02Z64VLD2 适用于 6 应用s: Industrial Sensor Hubs, Automotive Body and Lighting Controllers, White-Goods Appliance Motor Control, HVAC Climate Controllers, Low-Cost IoT Edge Nodes, Major Appliance User Interface Boards.
Industrial Sensor Hubs
The MKE02Z64VLD2 fits industrial sensor hubs because its 20 MHz Cortex-M0+ core delivers deterministic cycle counts for low-rate sensor sampling and protocol framing, while its 64 KB flash comfortably hosts a full Modbus or IO-Link stack alongside calibration tables. The 5 V-tolerant I/O (2.7 V to 5.5 V supply) interfaces directly to legacy 5 V analog front-ends without level shifters, eliminating a common BOM item. With three power modes (Run/Wait/Stop) the part draws little quiescent current in Watchdog-driven polling loops, extending battery-backed life. Real-world duty cycle of a sensor hub at 100 Hz sampling fits inside the 4 KB SRAM envelope with comfortable headroom.
推荐
Automotive Body and Lighting Controllers
The MKE02Z64VLD2 targets cost-sensitive automotive body and lighting nodes (interior lighting, climate, mirror control) where Kinetis E's robust 5 V tolerance and EMC hardening are valued over functional-safety ASIL compliance. Its 20 MHz CPU is sufficient to drive PWM-controlled LED channels, monitor switch matrices, and run a CAN-LIN gateway stack in 64 KB flash. The 44-LQFP exposes enough pins for 8-10 PWM outputs and two UART-based comms ports, matching typical body-controller BOM costs. Migration to AEC-Q100-qualified S32K or KE02Z64VLD2R is straightforward when a project requires full automotive qualification.
推荐
White-Goods Appliance Motor Control
Appliance motor control (washing machines, dishwashers, refrigerators with variable-speed BLDC/PMSM compressors) fits the MKE02Z64VLD2 because its 20 MHz core combined with on-chip PWM timers can run sensored trapezoidal commutation at typical 20 kHz switching rates. The 5 V-tolerant ADC inputs are sized for current-sense amplifiers connected directly to shunt resistors, while the 64 KB flash holds field-oriented control (FOC) libraries and fault-handling state machines. Three power modes help the appliance meet energy-star standby budgets while staying responsive to button inputs via interrupts.
推荐
HVAC Climate Controllers
HVAC climate controllers benefit from the MKE02Z64VLD2's wide supply range (2.7 V to 5.5 V) that tolerates rectified 24 VAC derived rails common in HVAC boards. Its Cortex-M0+ runs thermostat scheduling and PID loops at update periods well within the 20 MHz budget. The 4 KB SRAM stores schedule tables, setpoints, and historical temperature logs without external memory, and the 12-bit ADC inputs connect to NTC temperature sensors and potentiometer inputs directly. Stop-mode wake-on-interrupt enables < 50 uW standby for battery-free passive-loop thermostats.
推荐
Low-Cost IoT Edge Nodes
Entry-level IoT edge nodes (wireless sensor transmitters, retrofit smart-home devices) match the MKE02Z64VLD2's value proposition: 5 V tolerance, 64 KB flash for local control logic, and 4 KB SRAM for buffer space before passing data to an external radio. The chip pairs naturally with sub-GHz transceivers or BLE modules over UART/SPI. ARM Cortex-M0+ at 20 MHz executes local edge analytics within tens of milliseconds, and the Wait/Stop power modes keep average draw in the 10 uA range for battery-powered devices lasting years on a single cell.
推荐
Major Appliance User Interface Boards
User-interface boards in major appliances (display, button scanners, capacitive touch keys, indicator LEDs) suit the MKE02Z64VLD2 due to its 44-LQFP pin count that can support a 7-segment display, matrix key scan, and capacitive touch sense all from one MCU. The 64 KB flash holds full UI logic including debounce, menu trees, and animation sequences without external memory. Wide 5 V tolerance simplifies the analog backlight driver chain. The Kinetis platform's proven toolchain (MCUXpresso, IAR, Keil) accelerates UI development for consumer brands.
推荐
推荐产品汇总
工程参考数据： MKE02Z64VLD2 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MKE02Z64VLD2R | MKE02Z32VLD2 |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ (identical) | ARM Cortex-M0+ |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz |
| Flash Size | 64 KB | 64 KB | 32 KB (-50%) |
| RAM Size | 4 KB | 4 KB | 4 KB |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Series | Kinetis KE02 sub-family | Kinetis KE02 sub-family | Kinetis KE02 sub-family |
关键差异点
- Drop-in tape-and-reel option with full pin compatibility （对比 MKE02Z64VLD2R)
- Direct 5 V-tolerant I/O for legacy analog front-ends （对比 MKE02Z32VLD2)
- Full 64 KB code space on the same 44-LQFP footprint （对比 MKE02Z32VLD2)
设计说明
The MKE02Z64VLD2 operates from 2.7 V to 5.5 V, supporting both 3.3 V and 5 V rails. Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair, plus a 4.7 uF bulk capacitor at the supply entry point. For designs where the supply is derived from a 24 VAC transformer, add a 47 uF electrolytic cap after the bridge rectifier to absorb ripple. The Power Management Module (PMC) provides Run, Wait, and Stop modes; Stop mode entry requires the WAKEUP configuration to be set first or the device may not wake on peripheral interrupts.
The 44-LQFP (10x10 mm) has 0.8 mm pitch and requires 4-layer routing with 0.2 mm/0.2 mm trace/space for inner escape. Route the RESET line with a guard via and a 10 kohm pull-up to VDD. Keep the EXTAL/XTAL traces short and symmetric, surrounded by a grounded copper pour; place the load capacitors (typ. 12-22 pF) within 3 mm of the pins. JTAG/SWD signals (PTD/SWD-related) should be reserved with 10 kohm pull-ups on TMS/SWDIO to prevent spurious entries into debug mode during board bring-up.
Common pitfalls when designing with the MKE02Z64VLD2: (1) Forgetting that internal flash erase sector timing changes with VDD - on 5 V rails allow up to 50 ms per sector; on 2.7 V rails this can extend to 200 ms. (2) Pin-mapping between KE02 sub-family variants is similar but NOT identical - always recheck the datasheet's pinout table for the specific 44-LQFP variant. (3) The PTA5 pin serves as NMI in some KE02 mask sets; verify pull-up and NMI configuration in your linker startup file. (4) When migrating from S08P, recompile rather than object-copy because the Cortex-M0+ vector table layout differs.
合规信息
RoHS and REACH compliance declared on NXP product page for Kinetis E series. Standard MKE02Z64VLD2 is not AEC-Q100 qualified - consult KE02Z64VLD2R automotive-grade variant for AEC-Q100 needs. Halogen-free status listed as unknown pending NXP environmental quality document confirmation.
