MK51DN512CLQ10 - 100MHz Cortex-M4 MCU, 512KB Flash | NXP
MPN: MK51DN512CLQ10 ✓ פעילMK51DN512CLQ10 סקירה
What is a Cortex-M4 microcontroller? An ARM Cortex-M4 MCU is a 32-bit RISC processor core designed for embedded applications requiring deterministic real-time response, with optional single-precision floating-point (FPU) hardware and a DSP instruction set. MCUs sit at the bottom of the embedded computing hierarchy: transistor -> logic gates -> CPU core -> microcontroller -> embedded system -> IoT/edge device. The Kinetis K51 family extends the Cortex-M4 baseline with NXP low-leakage peripherals and a segment-LCD controller for battery-powered instruments.
Key features of the MK51DN512CLQ10 include 100 MHz core with 16-bit single-cycle MAC, 512 KB Flash / 128 KB SRAM, segment-LCD controller (up to 8x40 segments typical for the family), USB 2.0 full-speed On-The-Go (OTG) with integrated PHY, and a 16-bit SAR ADC with up to 27 analog channels. Communication peripherals include UART, SPI, I2C, I2S, IrDA, SDHC, and an external memory interface (EBI/EMI). The 144-LQFP package exposes up to 81 GPIO for system expansion.
The device uses a 1.71 V to 3.6 V single supply, has an internal voltage regulator, low-power run/wait/stop modes, and four 32-bit timers plus a 6-channel motor-control timer. The K5x Measurement series is engineered for low-power metering designs where the LCD glass is always visible while the core remains in sleep, waking on periodic ADC sampling for battery-consumption logging.
Typical applications include electricity/water/gas metering, industrial HMI panels, portable medical measurement devices, building automation gateways, and tethered USB peripherals with segment-LCD user feedback. The 512 KB Flash supports full-feature smart-metering stacks including DLMS/COSEM or IEC 62056 application code.
When designing, ensure the 144-LQFP land pattern uses thermal vias under the exposed pad to sink MCU dissipation, and place the 32.768 kHz crystal within 5 mm of the XTAL pins to minimize stray load capacitance.
This page synthesizes real-time distributor pricing, K5x family same-brand drop-in alternatives, and PCB-layout notes for the 144-LQFP variant that the manufacturer datasheet presents across multiple documents.
חלופות תחליף ישיר עבור MK51DN512CLQ10 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MK51DN512CLQ10 (אותו גורם צורה וטביעת רגל) — שונים ב Package, ADC, Core, Operating Temperature Range, SRAM.
MK53DN512CLQ10
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MK51DN512CLQ10R
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MK60DN512ZVLQ10
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MK60DN512ZVMC10
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←MK53DX256ZCLQ10
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32F407VGT6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MK51DN512CLQ10 דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M4 32-bit |
| Core Subtype | Kinetis K51 (K5x Measurement series) |
| Maximum Core Frequency | 100 MHz |
| Flash Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| מתח אספקה | 1.71 V to 3.6 V |
| ADC | 16-bit SAR ADC (up to 27 channels, family-typical) |
| USB | USB 2.0 Full-Speed OTG, device + host |
| Segment LCD Controller | Yes (SLCD, family feature) |
| GPIO Count | 81 (144-LQFP max for family) |
| Serial Peripherals | UART, SPI, I2C, I2S, IrDA, SDHC, EBI/EMI |
| Timers | 4 x 32-bit GPT + 6-channel motor-control PWM |
| טווח טמפרטורת פעולה | -40C to +105C (industrial) |
| מארז | 144-LQFP (20 x 20 mm) |
| סוג הרכבה | Surface Mount |
| רמת MSL | MSL3 |
| סטטוס RoHS | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes (NXP green-package policy) |
| FPU / DSP | Optional FPU (family-dependent, not on K51 base) / DSP instructions |
תצורת פינים של MK51DN512CLQ10
| פין 1 | PTE0 — GPIO PTE0 / USB_D_PHY_DM (USB OTG data minus) |
| פין 2 | PTE1 — GPIO PTE1 / USB_D_PHY_DP (USB OTG data plus) |
| פין 3 | VOUT33 — USB 3.3 V regulator output (bypass with 4.7uF) |
| פין 4 | VREGIN — USB regulator input |
| פין 5 | PGA1_DP — Analog differential PGA input |
| פין 6 | PGA1_DM — Analog differential PGA input |
| פין 7 | DAC0_OUT — 12-bit DAC output |
| פין 8 | PTA0 — GPIO PTA0 / SLCD0001 |
| פין 9 | PTA1 — GPIO PTA1 / XTAL0 / SLCD0002 |
| פין 10 | PTA2 — GPIO PTA2 / XTAL32 / SLCD0004 |
| פין 11 | PTA3 — GPIO PTA3 / SLCD0008 |
| פין 12 | PTA4 — GPIO PTA4 / SLCD0010 |
| פין 13 | PTA5 — GPIO PTA5 / SLCD0020 |
| פין 14 | PTA6 — GPIO PTA6 / SLCD0040 |
| פין 15 | PTA7 — GPIO PTA7 / SLCD0080 |
| פין 16 | PTA8 — GPIO PTA8 / SLCD0100 |
| פין 17 | PTA9 — GPIO PTA9 / SLCD0200 |
| פין 18 | PTA10 — GPIO PTA10 / SLCD0400 |
| פין 19 | PTA11 — GPIO PTA11 / SLCD0800 |
| פין 20 | PTA12 — GPIO PTA12 / SLCD1000 |
| פין 21 | PTA13 — GPIO PTA13 / SLCD2000 |
| פין 22 | PTA14 — GPIO PTA14 / SLCD4000 |
| פין 23 | PTA15 — GPIO PTA15 / SLCD8000 |
| פין 24 | PTB0 — GPIO PTB0 / LCD_P0 / ADC0_SE4 |
| פין 25 | PTB1 — GPIO PTB1 / LCD_P1 / ADC0_SE5 |
| פין 26 | PTB2 — GPIO PTB2 / LCD_P2 / ADC0_SE6 |
| פין 27 | PTB3 — GPIO PTB3 / LCD_P3 / ADC0_SE7 |
| פין 28 | PTB4 — GPIO PTB4 / LCD_P4 / ADC1_SE8 |
| פין 29 | PTB5 — GPIO PTB5 / LCD_P5 / ADC1_SE9 |
| פין 30 | PTB6 — GPIO PTB6 / LCD_P6 / ADC1_SE10 |
| פין 31 | PTB7 — GPIO PTB7 / LCD_P7 / ADC1_SE11 |
| פין 32 | VDD — MCU 1.71-3.6 V supply |
| פין 33 | VSS — Ground |
| פין 34 | PTC0 — GPIO PTC0 / SLCD_B0 / I2S0_TXD0 |
| פין 35 | PTC1 — GPIO PTC1 / SLCD_B1 / I2S0_TX_FS |
| פין 36 | PTC2 — GPIO PTC2 / SLCD_B2 / I2S0_TX_BCLK |
| פין 37 | PTC3 — GPIO PTC3 / SLCD_B3 / I2S0_RX_BCLK |
| פין 38 | PTC4 — GPIO PTC4 / SLCD_B4 / I2S0_MCLK |
| פין 39 | PTC5 — GPIO PTC5 / SLCD_B5 |
| פין 40 | PTC6 — GPIO PTC6 / SLCD_B6 |
| פין 41 | PTC7 — GPIO PTC7 / SLCD_B7 |
| פין 42 | PTC8 — GPIO PTC8 / LCD_P8 |
| פין 43 | PTC9 — GPIO PTC9 / LCD_P9 |
| פין 44 | PTC10 — GPIO PTC10 / LCD_P10 |
| פין 45 | PTC11 — GPIO PTC11 / LCD_P11 |
| פין 46 | PTC12 — GPIO PTC12 / LCD_P12 |
| פין 47 | PTC13 — GPIO PTC13 / LCD_P13 |
| פין 48 | PTC14 — GPIO PTC14 / LCD_P14 |
| פין 49 | PTC15 — GPIO PTC15 / LCD_P15 |
| פין 50 | PTC16 — GPIO PTC16 / LCD_P16 |
| פין 51 | PTC17 — GPIO PTC17 / LCD_P17 |
| פין 52 | VDDA — Analog supply (3.3 V typical) |
| פין 53 | VREFH — ADC reference high |
| פין 54 | VREFL — ADC reference low (tie to VSSA) |
| פין 55 | VSSA — Analog ground |
| פין 56 | ADC0_DP0 — ADC0 differential positive input 0 |
| פין 57 | ADC0_DM0 — ADC0 differential negative input 0 |
| פין 58 | ADC1_DP0 — ADC1 differential positive input 0 |
| פין 59 | ADC1_DM0 — ADC1 differential negative input 0 |
| פין 60 | PGA0_DP — PGA0 differential positive input |
| פין 61 | PGA0_DM — PGA0 differential negative input |
| פין 62 | PTD0 — GPIO PTD0 / SPI0_PCS0 / UART0_CTS_b |
| פין 63 | PTD1 — GPIO PTD1 / SPI0_SCK / UART0_RTS_b |
| פין 64 | PTD2 — GPIO PTD2 / SPI0_SOUT / UART0_RX |
| פין 65 | PTD3 — GPIO PTD3 / SPI0_SIN / UART0_TX |
| פין 66 | PTD4 — GPIO PTD4 / I2C0_SCL |
| פין 67 | PTD5 — GPIO PTD5 / I2C0_SDA |
| פין 68 | PTD6 — GPIO PTD6 / UART2_RX |
| פין 69 | PTD7 — GPIO PTD7 / UART2_TX |
| פין 70 | PTE2 — GPIO PTE2 / SPIO_PCS1 / SDHC0_DCLK |
| פין 71 | PTE3 — GPIO PTE3 / SPI0_PCS2 / SDHC0_CMD |
| פין 72 | PTE4 — GPIO PTE4 / SPI0_PCS3 / SDHC0_D0 |
| פין 73 | PTE5 — GPIO PTE5 / SPI0_PCS4 / SDHC0_D1 |
| פין 74 | PTE6 — GPIO PTE6 / SPI0_PCS5 / SDHC0_D2 |
| פין 75 | PTE7 — GPIO PTE7 / SPI0_PCS6 / SDHC0_D3 |
| פין 76 | PTE8 — GPIO PTE8 / UART5_RX |
| פין 77 | PTE9 — GPIO PTE9 / UART5_TX |
| פין 78 | PTE10 — GPIO PTE10 |
| פין 79 | PTE11 — GPIO PTE11 |
| פין 80 | PTF0 — GPIO PTF0 / LCD_P24 |
| פין 81 | PTF1 — GPIO PTF1 / LCD_P25 |
| פין 82 | PTF2 — GPIO PTF2 / LCD_P26 |
| פין 83 | PTF3 — GPIO PTF3 / LCD_P27 |
| פין 84 | PTF4 — GPIO PTF4 / LCD_P28 |
| פין 85 | PTF5 — GPIO PTF5 / LCD_P29 |
| פין 86 | PTF6 — GPIO PTF6 / LCD_P30 |
| פין 87 | PTF7 — GPIO PTF7 / LCD_P31 |
| פין 88 | PTF8 — GPIO PTF8 / LCD_P32 |
| פין 89 | PTF9 — GPIO PTF9 / LCD_P33 |
| פין 90 | PTF10 — GPIO PTF10 / LCD_P34 |
| פין 91 | PTF11 — GPIO PTF11 / LCD_P35 |
| פין 92 | PTF12 — GPIO PTF12 / LCD_P36 |
| פין 93 | PTF13 — GPIO PTF13 / LCD_P37 |
| פין 94 | PTF14 — GPIO PTF14 / LCD_P38 |
| פין 95 | PTF15 — GPIO PTF15 / LCD_P39 |
| פין 96 | PTF16 — GPIO PTF16 |
| פין 97 | PTF17 — GPIO PTF17 |
| פין 98 | NC — Not connected (per datasheet) |
| פין 99 | NC — Not connected (per datasheet) |
| פין 100 | VDD — MCU 1.71-3.6 V supply |
| פין 101 | VSS — Ground |
| פין 102 | PTG0 — GPIO PTG0 / EXTAL0 |
| פין 103 | PTG1 — GPIO PTG1 / XTAL0 |
| פין 104 | PTG2 — GPIO PTG2 |
| פין 105 | PTG3 — GPIO PTG3 |
| פין 106 | PTG4 — GPIO PTG4 |
| פין 107 | PTG5 — GPIO PTG5 |
| פין 108 | PTG6 — GPIO PTG6 |
| פין 109 | PTG7 — GPIO PTG7 |
| פין 110 | PTG8 — GPIO PTG8 |
| פין 111 | PTG9 — GPIO PTG9 |
| פין 112 | PTG11 — GPIO PTG11 |
| פין 113 | PTG12 — GPIO PTG12 |
| פין 114 | PTG15 — GPIO PTG15 |
| פין 115 | PTH0 — GPIO PTH0 |
| פין 116 | PTH1 — GPIO PTH1 |
| פין 117 | PTH2 — GPIO PTH2 |
| פין 118 | PTH3 — GPIO PTH3 |
| פין 119 | PTH4 — GPIO PTH4 |
| פין 120 | PTH5 — GPIO PTH5 |
| פין 121 | PTH6 — GPIO PTH6 |
| פין 122 | PTH7 — GPIO PTH7 |
| פין 123 | NC — Not connected (per datasheet) |
| פין 124 | NC — Not connected (per datasheet) |
| פין 125 | NC — Not connected (per datasheet) |
| פין 126 | NC — Not connected (per datasheet) |
| פין 127 | NC — Not connected (per datasheet) |
| פין 128 | NC — Not connected (per datasheet) |
| פין 129 | NC — Not connected (per datasheet) |
| פין 130 | NC — Not connected (per datasheet) |
| פין 131 | NC — Not connected (per datasheet) |
| פין 132 | NC — Not connected (per datasheet) |
| פין 133 | NC — Not connected (per datasheet) |
| פין 134 | NC — Not connected (per datasheet) |
| פין 135 | NC — Not connected (per datasheet) |
| פין 136 | NC — Not connected (per datasheet) |
| פין 137 | NC — Not connected (per datasheet) |
| פין 138 | NC — Not connected (per datasheet) |
| פין 139 | NC — Not connected (per datasheet) |
| פין 140 | NC — Not connected (per datasheet) |
| פין 141 | NC — Not connected (per datasheet) |
| פין 142 | NC — Not connected (per datasheet) |
| פין 143 | NC — Not connected (per datasheet) |
| פין 144 | EPAD — Exposed thermal pad - tie to VSS for thermal dissipation |
יישומים טיפוסיים
MK51DN512CLQ10 מתאים עבור 6 יישוםs: Smart Electricity Meter with Segment LCD, Industrial HMI Panel with USB Diagnostics, Portable Medical Measurement Device, Building Automation / Smart Thermostat, Tethered USB Peripheral with LCD Feedback, Battery-Powered IoT Sensor Edge Node.
Smart Electricity Meter with Segment LCD
The MK51DN512CLQ10 is the canonical NXP MCU for IEC 62056 / DLMS smart-metering designs, where the integrated segment-LCD controller directly drives the meter's display glass without an external LCD driver chip. Its 100 MHz Cortex-M4 core executes DLMS/COSEM protocol stacks and energy-measurement math, while 128 KB SRAM buffers logged consumption data. The 1.71-3.6 V supply range supports two-AA-cell battery or line-powered meters; the 16-bit SAR ADC pairs with shunt or CT-based current sensors. Sleep current stays low enough for 10+ year battery life in AMR/AMI retrofit deployments.
מומלץ
Industrial HMI Panel with USB Diagnostics
The MK51DN512CLQ10 powers industrial HMI panels that combine a segment-LCD status display with a USB diagnostic link to a host PC. The integrated USB 2.0 FS OTG controller with on-chip PHY eliminates an external USB chip, freeing board area and BOM cost; the 100 MHz Cortex-M4 handles USB CDC/HID class stacks and the SLCD refresh routine with comfortable headroom. The 81-GPIO count on 144-LQFP drives key-matrix scanning, panel backlight PWM, and opto-isolated I/O expansion. Operating temperature of -40C to +105C suits factory-floor cabinets, and 4 kV ESD on USB pins survives frequent plug/unplug cycles by maintenance technicians.
מומלץ
Portable Medical Measurement Device
The MK51DN512CLQ10 fits portable medical measurement devices such as spot-check patient monitors, hand-held pulse oximeters, and battery-powered spirometers. Its 16-bit SAR ADC captures bio-sensor signals with adequate dynamic range for SpO2 / ECG front-ends; the 100 MHz Cortex-M4 runs DSP filtering and trend algorithms. Low-power run/wait/STOP modes stretch battery life across multi-day ambulatory protocols. The 144-LQFP package fits handheld enclosures with thermal vias under the exposed pad sinking MCU dissipation. Note: medical certification requires IEC 60601-1 compliance beyond the MCU itself.
מומלץ
Building Automation / Smart Thermostat
The MK51DN512CLQ10 is suited for smart thermostats and building automation nodes where a permanent segment-LCD shows room temperature / humidity / schedule status. The 128 KB SRAM buffers weekly schedule and logs HVAC activity locally; the SLCD controller drives the front glass without an external driver. The 1.71-3.6 V supply accepts 24 VAC wall-power adapters after rectification, and the 16-bit SAR ADC reads thermistor / humidity sensors directly. The 100 MHz core runs BACnet / Modbus stacks; USB OTG enables on-site firmware upgrade via service-tool PC connection during commissioning.
מומלץ
Tethered USB Peripheral with LCD Feedback
USB peripherals such as industrial barcode-scanner base stations, handheld POS terminals, and label printers benefit from the MK51DN512CLQ10's integrated USB 2.0 full-speed OTG with on-chip PHY plus segment-LCD feedback. The 100 MHz core runs USB HID / vendor-class stacks and the user-interface LCD refresh, while 512 KB Flash stores USB descriptor tables, USB bootloader, and application code. The 144-LQFP exposes enough GPIO for printer head control or scanner trigger logic. Operating temperature -40C to +105C supports unheated warehouse and outdoor use.
מומלץ
Battery-Powered IoT Sensor Edge Node
The MK31062 edge-node MCU extends K5x Measurement to battery-powered IoT sensor nodes with segment-LCD display - the SLCD glass remains on for instant feedback while the core sleeps, waking on periodic ADC sampling of the sensor. Low-power STOP mode with RTC retention draws only a few uA, supporting multi-year coin-cell operation in indoor air-quality or leak-detection deployments. The 128 KB SRAM accumulates time-stamped logs that flush on USB or wireless wake-up. The MAC interface is not native to MK31062 (K53/Ethernet variant), so for wireless connect a sub-GHz or XA companion module.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MK51DN512CLQ10 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MK53DN512CLQ10 | MK51DN512CLQ10R | MK60DN512ZVLQ10 | MK60DN512ZVMC10 | MK53DX256ZCLQ10 | STM32F407VGT6 |
|---|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP - same form, different pinout |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Core Architecture | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit | ARM Cortex-M4, 32-bit |
| Maximum Core Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 168 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 1 MB (+100%) |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB (+100%) | 192 KB (+50%) |
| Segment LCD Controller | Yes (SLCD) | Yes | Yes | No (K6x family, no SLCD) | No | Yes | No (external LCD IC required) |
| Ethernet MAC | No | Yes (10/100 MAC + MII/RMII) | No | Yes | Yes | Yes | Yes |
| USB OTG | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY | USB 2.0 FS OTG with on-chip PHY |
| Operating Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.8 V to 3.6 V |
מבדילים עיקריים
- Highest-density Flash + SLCD in the K5x Measurement family (לעומתMK51DN256CLQ10)
- No Ethernet MAC = lower power for metering-only designs (לעומתMK53DN512CLQ10)
- Integrated segment-LCD controller (K5x family exclusive) (לעומתSTM32F407VGT6)
הערות תכנון
Estimated: at 100 MHz full activity across both Cortex-M4 core and SLCD refresh driving 8x40 segments, total MCU dissipation is approximately 200 mW - 300 mW. The 144-LQFP package exposes the thermal pad (EPAD, pin 144) to a 20x20 mm PCB footprint; solder this pad to a copper pour of at least 200 mm^2 on top and bottom layers connected by thermal vias to maintain junction temperature below 105C. At -40C ambient + 0.3 W dissipation the theta_JA of 35 C/W yields 10.5 C rise - well within the operating envelope.
Place the 32.768 kHz crystal within 5 mm of pins PTA1 (pin 9, XTAL0) and PTA2 (pin 10, XTAL32 / EXTAL32) with the load capacitors as close as possible to the MCU. Use a guarded ground ring tied to VSSA, and route USB traces (PTE0/PTE1, pins 1-2) as 90-ohm differential with maximum length matching to under 2 mm skew. Bypass VDD/VSS with 100 nF + 4.7 uF pairs within 3 mm of every VDD pin (32, 100). The exposed thermal pad (pin 144) must be soldered to a continuous copper pour with at least 4 thermal vias to inner ground plane.
Do not exceed the absolute maximum VDD of 3.6 V even briefly during USB inrush; the K51 MCU is not 5 V tolerant on GPIO. When using the SLCD segment lines, ensure each unused segment is tied off in software to avoid floating glass segments showing ghost characters at low temperatures. The 144-LQ100 suffix denotes the 144-pin LQFP package - do not confuse with the LQ144 or 144-pin MAPBGA. Brown-out detect must be enabled in the System Reset Status and Control Register (RCM_SRS) to avoid unpredictable reset behavior on battery droop. The internal USB 3.3 V regulator (VREGIN/VOUT33) requires 4.7 uF X7R bypass on pin 3 for USB-IF compliance.
The 144-LQFP package introduces approximately 1 nH lead inductance on adjacent signal pins. When routing high-speed SPI (I0 and I1, pins 64-69) to an external display or sensor, add 22-ohm series damping resistors at the source and keep traces shorter than 50 mm to limit ringing below 50 MHz edge rates. Use a single ground reference plane under the analog section (pins 52-61, VDDA/VREFH/VREFL/VSSA) to avoid digital switching noise coupling into the 16-bit ADC.
מידע על תאימות
RoHS and lead-free per NXP green-package policy. Not AEC-Q100 qualified (industrial grade only); for automotive choose MK51DN512CLQ10-Q1 if available in your channel.