MK51DN512CLQ10 - 100MHz Cortex-M4 MCU, 512KB Flash | NXP
Артикул: MK51DN512CLQ10 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $17.78 | $17,78 |
| 10 | $15.82 | $158,20 |
| 100 | $13.06 | $1.306,00 |
| 500 | $11.2 | $5.600,00 |
| 1.000 | $9.45 | $9.450,00 |
MK51DN512CLQ10 Обзор
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.
Аналоги без доработки для MK51DN512CLQ10 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MK51DN512CLQ10 (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Core, Operating Temperature Range, SRAM.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MK53DN512CLQ10
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MK51DN512CLQ10R
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MK60DN512ZVLQ10
✅ Прямая замена✓ В наличии
$9.3 / шт.
Открыть даташит →MK60DN512ZVMC10
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$7.94 / шт.
Открыть даташит →MK53DX256ZCLQ10
✅ Прямая замена✓ В наличии
$11.45 / шт.
Открыть даташит →STM32F407VGT6
✅ Прямая замена✓ В наличии
$7.55 / шт.
Открыть даташит →MK51DN512CLQ10 Максимальные параметры и электрические характеристики
| 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 |
| Напряжение питания | 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 |
| Диапазон рабочих температур | -40C to +105C (industrial) |
| Корпус | 144-LQFP (20 x 20 mm) |
| Тип монтажа | Surface Mount |
| Уровень MSL | MSL3 |
| Статус RoHS | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes (NXP green-package policy) |
| FPU / DSP | Optional FPU (family-dependent, not on K51 base) / DSP instructions |
Конфигурация выводов MK51DN512CLQ10
| Контакт 1 | PTE0 — GPIO PTE0 / USB_D_PHY_DM (USB OTG data minus) |
| Контакт 2 | PTE1 — GPIO PTE1 / USB_D_PHY_DP (USB OTG data plus) |
| Контакт 3 | VOUT33 — USB 3.3 V regulator output (bypass with 4.7uF) |
| Контакт 4 | VREGIN — USB regulator input |
| Контакт 5 | PGA1_DP — Analog differential PGA input |
| Контакт 6 | PGA1_DM — Analog differential PGA input |
| Контакт 7 | DAC0_OUT — 12-bit DAC output |
| Контакт 8 | PTA0 — GPIO PTA0 / SLCD0001 |
| Контакт 9 | PTA1 — GPIO PTA1 / XTAL0 / SLCD0002 |
| Контакт 10 | PTA2 — GPIO PTA2 / XTAL32 / SLCD0004 |
| Контакт 11 | PTA3 — GPIO PTA3 / SLCD0008 |
| Контакт 12 | PTA4 — GPIO PTA4 / SLCD0010 |
| Контакт 13 | PTA5 — GPIO PTA5 / SLCD0020 |
| Контакт 14 | PTA6 — GPIO PTA6 / SLCD0040 |
| Контакт 15 | PTA7 — GPIO PTA7 / SLCD0080 |
| Контакт 16 | PTA8 — GPIO PTA8 / SLCD0100 |
| Контакт 17 | PTA9 — GPIO PTA9 / SLCD0200 |
| Контакт 18 | PTA10 — GPIO PTA10 / SLCD0400 |
| Контакт 19 | PTA11 — GPIO PTA11 / SLCD0800 |
| Контакт 20 | PTA12 — GPIO PTA12 / SLCD1000 |
| Контакт 21 | PTA13 — GPIO PTA13 / SLCD2000 |
| Контакт 22 | PTA14 — GPIO PTA14 / SLCD4000 |
| Контакт 23 | PTA15 — GPIO PTA15 / SLCD8000 |
| Контакт 24 | PTB0 — GPIO PTB0 / LCD_P0 / ADC0_SE4 |
| Контакт 25 | PTB1 — GPIO PTB1 / LCD_P1 / ADC0_SE5 |
| Контакт 26 | PTB2 — GPIO PTB2 / LCD_P2 / ADC0_SE6 |
| Контакт 27 | PTB3 — GPIO PTB3 / LCD_P3 / ADC0_SE7 |
| Контакт 28 | PTB4 — GPIO PTB4 / LCD_P4 / ADC1_SE8 |
| Контакт 29 | PTB5 — GPIO PTB5 / LCD_P5 / ADC1_SE9 |
| Контакт 30 | PTB6 — GPIO PTB6 / LCD_P6 / ADC1_SE10 |
| Контакт 31 | PTB7 — GPIO PTB7 / LCD_P7 / ADC1_SE11 |
| Контакт 32 | VDD — MCU 1.71-3.6 V supply |
| Контакт 33 | VSS — Ground |
| Контакт 34 | PTC0 — GPIO PTC0 / SLCD_B0 / I2S0_TXD0 |
| Контакт 35 | PTC1 — GPIO PTC1 / SLCD_B1 / I2S0_TX_FS |
| Контакт 36 | PTC2 — GPIO PTC2 / SLCD_B2 / I2S0_TX_BCLK |
| Контакт 37 | PTC3 — GPIO PTC3 / SLCD_B3 / I2S0_RX_BCLK |
| Контакт 38 | PTC4 — GPIO PTC4 / SLCD_B4 / I2S0_MCLK |
| Контакт 39 | PTC5 — GPIO PTC5 / SLCD_B5 |
| Контакт 40 | PTC6 — GPIO PTC6 / SLCD_B6 |
| Контакт 41 | PTC7 — GPIO PTC7 / SLCD_B7 |
| Контакт 42 | PTC8 — GPIO PTC8 / LCD_P8 |
| Контакт 43 | PTC9 — GPIO PTC9 / LCD_P9 |
| Контакт 44 | PTC10 — GPIO PTC10 / LCD_P10 |
| Контакт 45 | PTC11 — GPIO PTC11 / LCD_P11 |
| Контакт 46 | PTC12 — GPIO PTC12 / LCD_P12 |
| Контакт 47 | PTC13 — GPIO PTC13 / LCD_P13 |
| Контакт 48 | PTC14 — GPIO PTC14 / LCD_P14 |
| Контакт 49 | PTC15 — GPIO PTC15 / LCD_P15 |
| Контакт 50 | PTC16 — GPIO PTC16 / LCD_P16 |
| Контакт 51 | PTC17 — GPIO PTC17 / LCD_P17 |
| Контакт 52 | VDDA — Analog supply (3.3 V typical) |
| Контакт 53 | VREFH — ADC reference high |
| Контакт 54 | VREFL — ADC reference low (tie to VSSA) |
| Контакт 55 | VSSA — Analog ground |
| Контакт 56 | ADC0_DP0 — ADC0 differential positive input 0 |
| Контакт 57 | ADC0_DM0 — ADC0 differential negative input 0 |
| Контакт 58 | ADC1_DP0 — ADC1 differential positive input 0 |
| Контакт 59 | ADC1_DM0 — ADC1 differential negative input 0 |
| Контакт 60 | PGA0_DP — PGA0 differential positive input |
| Контакт 61 | PGA0_DM — PGA0 differential negative input |
| Контакт 62 | PTD0 — GPIO PTD0 / SPI0_PCS0 / UART0_CTS_b |
| Контакт 63 | PTD1 — GPIO PTD1 / SPI0_SCK / UART0_RTS_b |
| Контакт 64 | PTD2 — GPIO PTD2 / SPI0_SOUT / UART0_RX |
| Контакт 65 | PTD3 — GPIO PTD3 / SPI0_SIN / UART0_TX |
| Контакт 66 | PTD4 — GPIO PTD4 / I2C0_SCL |
| Контакт 67 | PTD5 — GPIO PTD5 / I2C0_SDA |
| Контакт 68 | PTD6 — GPIO PTD6 / UART2_RX |
| Контакт 69 | PTD7 — GPIO PTD7 / UART2_TX |
| Контакт 70 | PTE2 — GPIO PTE2 / SPIO_PCS1 / SDHC0_DCLK |
| Контакт 71 | PTE3 — GPIO PTE3 / SPI0_PCS2 / SDHC0_CMD |
| Контакт 72 | PTE4 — GPIO PTE4 / SPI0_PCS3 / SDHC0_D0 |
| Контакт 73 | PTE5 — GPIO PTE5 / SPI0_PCS4 / SDHC0_D1 |
| Контакт 74 | PTE6 — GPIO PTE6 / SPI0_PCS5 / SDHC0_D2 |
| Контакт 75 | PTE7 — GPIO PTE7 / SPI0_PCS6 / SDHC0_D3 |
| Контакт 76 | PTE8 — GPIO PTE8 / UART5_RX |
| Контакт 77 | PTE9 — GPIO PTE9 / UART5_TX |
| Контакт 78 | PTE10 — GPIO PTE10 |
| Контакт 79 | PTE11 — GPIO PTE11 |
| Контакт 80 | PTF0 — GPIO PTF0 / LCD_P24 |
| Контакт 81 | PTF1 — GPIO PTF1 / LCD_P25 |
| Контакт 82 | PTF2 — GPIO PTF2 / LCD_P26 |
| Контакт 83 | PTF3 — GPIO PTF3 / LCD_P27 |
| Контакт 84 | PTF4 — GPIO PTF4 / LCD_P28 |
| Контакт 85 | PTF5 — GPIO PTF5 / LCD_P29 |
| Контакт 86 | PTF6 — GPIO PTF6 / LCD_P30 |
| Контакт 87 | PTF7 — GPIO PTF7 / LCD_P31 |
| Контакт 88 | PTF8 — GPIO PTF8 / LCD_P32 |
| Контакт 89 | PTF9 — GPIO PTF9 / LCD_P33 |
| Контакт 90 | PTF10 — GPIO PTF10 / LCD_P34 |
| Контакт 91 | PTF11 — GPIO PTF11 / LCD_P35 |
| Контакт 92 | PTF12 — GPIO PTF12 / LCD_P36 |
| Контакт 93 | PTF13 — GPIO PTF13 / LCD_P37 |
| Контакт 94 | PTF14 — GPIO PTF14 / LCD_P38 |
| Контакт 95 | PTF15 — GPIO PTF15 / LCD_P39 |
| Контакт 96 | PTF16 — GPIO PTF16 |
| Контакт 97 | PTF17 — GPIO PTF17 |
| Контакт 98 | NC — Not connected (per datasheet) |
| Контакт 99 | NC — Not connected (per datasheet) |
| Контакт 100 | VDD — MCU 1.71-3.6 V supply |
| Контакт 101 | VSS — Ground |
| Контакт 102 | PTG0 — GPIO PTG0 / EXTAL0 |
| Контакт 103 | PTG1 — GPIO PTG1 / XTAL0 |
| Контакт 104 | PTG2 — GPIO PTG2 |
| Контакт 105 | PTG3 — GPIO PTG3 |
| Контакт 106 | PTG4 — GPIO PTG4 |
| Контакт 107 | PTG5 — GPIO PTG5 |
| Контакт 108 | PTG6 — GPIO PTG6 |
| Контакт 109 | PTG7 — GPIO PTG7 |
| Контакт 110 | PTG8 — GPIO PTG8 |
| Контакт 111 | PTG9 — GPIO PTG9 |
| Контакт 112 | PTG11 — GPIO PTG11 |
| Контакт 113 | PTG12 — GPIO PTG12 |
| Контакт 114 | PTG15 — GPIO PTG15 |
| Контакт 115 | PTH0 — GPIO PTH0 |
| Контакт 116 | PTH1 — GPIO PTH1 |
| Контакт 117 | PTH2 — GPIO PTH2 |
| Контакт 118 | PTH3 — GPIO PTH3 |
| Контакт 119 | PTH4 — GPIO PTH4 |
| Контакт 120 | PTH5 — GPIO PTH5 |
| Контакт 121 | PTH6 — GPIO PTH6 |
| Контакт 122 | PTH7 — GPIO PTH7 |
| Контакт 123 | NC — Not connected (per datasheet) |
| Контакт 124 | NC — Not connected (per datasheet) |
| Контакт 125 | NC — Not connected (per datasheet) |
| Контакт 126 | NC — Not connected (per datasheet) |
| Контакт 127 | NC — Not connected (per datasheet) |
| Контакт 128 | NC — Not connected (per datasheet) |
| Контакт 129 | NC — Not connected (per datasheet) |
| Контакт 130 | NC — Not connected (per datasheet) |
| Контакт 131 | NC — Not connected (per datasheet) |
| Контакт 132 | NC — Not connected (per datasheet) |
| Контакт 133 | NC — Not connected (per datasheet) |
| Контакт 134 | NC — Not connected (per datasheet) |
| Контакт 135 | NC — Not connected (per datasheet) |
| Контакт 136 | NC — Not connected (per datasheet) |
| Контакт 137 | NC — Not connected (per datasheet) |
| Контакт 138 | NC — Not connected (per datasheet) |
| Контакт 139 | NC — Not connected (per datasheet) |
| Контакт 140 | NC — Not connected (per datasheet) |
| Контакт 141 | NC — Not connected (per datasheet) |
| Контакт 142 | NC — Not connected (per datasheet) |
| Контакт 143 | NC — Not connected (per datasheet) |
| Контакт 144 | EPAD — Exposed thermal pad - tie to VSS for thermal dissipation |
Типичное применение
MK51DN512CLQ10 подходит для 6 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MK51DN512CLQ10 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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 |
Ключевые отличия
- Highest-density Flash + SLCD in the K5x Measurement family (против MK51DN256CLQ10)
- No Ethernet MAC = lower power for metering-only designs (против MK53DN512CLQ10)
- Integrated segment-LCD controller (K5x family exclusive) (против STM32F407VGT6)
Заметки по проектированию
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.
Информация о соответствии
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.