MK51DN512CLQ10 - 100MHz Cortex-M4 MCU, 512KB Flash | NXP
N.º da peça: MK51DN512CLQ10 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 Visão geral
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.
Alternativas drop-in para MK51DN512CLQ10 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MK51DN512CLQ10 (mesmo formato e footprint) — diferindo em Package, ADC, Core, Operating Temperature Range, SRAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MK53DN512CLQ10
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MK51DN512CLQ10R
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MK60DN512ZVLQ10
✅ Drop-In✓ Em estoque
$9.3 / unidade
Ver ficha técnica →MK60DN512ZVMC10
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$7.94 / unidade
Ver ficha técnica →MK53DX256ZCLQ10
✅ Drop-In✓ Em estoque
$11.45 / unidade
Ver ficha técnica →STM32F407VGT6
✅ Drop-In✓ Em estoque
$7.55 / unidade
Ver ficha técnica →MK51DN512CLQ10 Classificações máximas e características elétricas
| 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 |
| Tensão de alimentação | 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 |
| Faixa de temperatura de operação | -40C to +105C (industrial) |
| Encapsulamento | 144-LQFP (20 x 20 mm) |
| Tipo de montagem | Surface Mount |
| Nível MSL | MSL3 |
| Status RoHS | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes (NXP green-package policy) |
| FPU / DSP | Optional FPU (family-dependent, not on K51 base) / DSP instructions |
Configuração de pinos do MK51DN512CLQ10
| Pino 1 | PTE0 — GPIO PTE0 / USB_D_PHY_DM (USB OTG data minus) |
| Pino 2 | PTE1 — GPIO PTE1 / USB_D_PHY_DP (USB OTG data plus) |
| Pino 3 | VOUT33 — USB 3.3 V regulator output (bypass with 4.7uF) |
| Pino 4 | VREGIN — USB regulator input |
| Pino 5 | PGA1_DP — Analog differential PGA input |
| Pino 6 | PGA1_DM — Analog differential PGA input |
| Pino 7 | DAC0_OUT — 12-bit DAC output |
| Pino 8 | PTA0 — GPIO PTA0 / SLCD0001 |
| Pino 9 | PTA1 — GPIO PTA1 / XTAL0 / SLCD0002 |
| Pino 10 | PTA2 — GPIO PTA2 / XTAL32 / SLCD0004 |
| Pino 11 | PTA3 — GPIO PTA3 / SLCD0008 |
| Pino 12 | PTA4 — GPIO PTA4 / SLCD0010 |
| Pino 13 | PTA5 — GPIO PTA5 / SLCD0020 |
| Pino 14 | PTA6 — GPIO PTA6 / SLCD0040 |
| Pino 15 | PTA7 — GPIO PTA7 / SLCD0080 |
| Pino 16 | PTA8 — GPIO PTA8 / SLCD0100 |
| Pino 17 | PTA9 — GPIO PTA9 / SLCD0200 |
| Pino 18 | PTA10 — GPIO PTA10 / SLCD0400 |
| Pino 19 | PTA11 — GPIO PTA11 / SLCD0800 |
| Pino 20 | PTA12 — GPIO PTA12 / SLCD1000 |
| Pino 21 | PTA13 — GPIO PTA13 / SLCD2000 |
| Pino 22 | PTA14 — GPIO PTA14 / SLCD4000 |
| Pino 23 | PTA15 — GPIO PTA15 / SLCD8000 |
| Pino 24 | PTB0 — GPIO PTB0 / LCD_P0 / ADC0_SE4 |
| Pino 25 | PTB1 — GPIO PTB1 / LCD_P1 / ADC0_SE5 |
| Pino 26 | PTB2 — GPIO PTB2 / LCD_P2 / ADC0_SE6 |
| Pino 27 | PTB3 — GPIO PTB3 / LCD_P3 / ADC0_SE7 |
| Pino 28 | PTB4 — GPIO PTB4 / LCD_P4 / ADC1_SE8 |
| Pino 29 | PTB5 — GPIO PTB5 / LCD_P5 / ADC1_SE9 |
| Pino 30 | PTB6 — GPIO PTB6 / LCD_P6 / ADC1_SE10 |
| Pino 31 | PTB7 — GPIO PTB7 / LCD_P7 / ADC1_SE11 |
| Pino 32 | VDD — MCU 1.71-3.6 V supply |
| Pino 33 | VSS — Ground |
| Pino 34 | PTC0 — GPIO PTC0 / SLCD_B0 / I2S0_TXD0 |
| Pino 35 | PTC1 — GPIO PTC1 / SLCD_B1 / I2S0_TX_FS |
| Pino 36 | PTC2 — GPIO PTC2 / SLCD_B2 / I2S0_TX_BCLK |
| Pino 37 | PTC3 — GPIO PTC3 / SLCD_B3 / I2S0_RX_BCLK |
| Pino 38 | PTC4 — GPIO PTC4 / SLCD_B4 / I2S0_MCLK |
| Pino 39 | PTC5 — GPIO PTC5 / SLCD_B5 |
| Pino 40 | PTC6 — GPIO PTC6 / SLCD_B6 |
| Pino 41 | PTC7 — GPIO PTC7 / SLCD_B7 |
| Pino 42 | PTC8 — GPIO PTC8 / LCD_P8 |
| Pino 43 | PTC9 — GPIO PTC9 / LCD_P9 |
| Pino 44 | PTC10 — GPIO PTC10 / LCD_P10 |
| Pino 45 | PTC11 — GPIO PTC11 / LCD_P11 |
| Pino 46 | PTC12 — GPIO PTC12 / LCD_P12 |
| Pino 47 | PTC13 — GPIO PTC13 / LCD_P13 |
| Pino 48 | PTC14 — GPIO PTC14 / LCD_P14 |
| Pino 49 | PTC15 — GPIO PTC15 / LCD_P15 |
| Pino 50 | PTC16 — GPIO PTC16 / LCD_P16 |
| Pino 51 | PTC17 — GPIO PTC17 / LCD_P17 |
| Pino 52 | VDDA — Analog supply (3.3 V typical) |
| Pino 53 | VREFH — ADC reference high |
| Pino 54 | VREFL — ADC reference low (tie to VSSA) |
| Pino 55 | VSSA — Analog ground |
| Pino 56 | ADC0_DP0 — ADC0 differential positive input 0 |
| Pino 57 | ADC0_DM0 — ADC0 differential negative input 0 |
| Pino 58 | ADC1_DP0 — ADC1 differential positive input 0 |
| Pino 59 | ADC1_DM0 — ADC1 differential negative input 0 |
| Pino 60 | PGA0_DP — PGA0 differential positive input |
| Pino 61 | PGA0_DM — PGA0 differential negative input |
| Pino 62 | PTD0 — GPIO PTD0 / SPI0_PCS0 / UART0_CTS_b |
| Pino 63 | PTD1 — GPIO PTD1 / SPI0_SCK / UART0_RTS_b |
| Pino 64 | PTD2 — GPIO PTD2 / SPI0_SOUT / UART0_RX |
| Pino 65 | PTD3 — GPIO PTD3 / SPI0_SIN / UART0_TX |
| Pino 66 | PTD4 — GPIO PTD4 / I2C0_SCL |
| Pino 67 | PTD5 — GPIO PTD5 / I2C0_SDA |
| Pino 68 | PTD6 — GPIO PTD6 / UART2_RX |
| Pino 69 | PTD7 — GPIO PTD7 / UART2_TX |
| Pino 70 | PTE2 — GPIO PTE2 / SPIO_PCS1 / SDHC0_DCLK |
| Pino 71 | PTE3 — GPIO PTE3 / SPI0_PCS2 / SDHC0_CMD |
| Pino 72 | PTE4 — GPIO PTE4 / SPI0_PCS3 / SDHC0_D0 |
| Pino 73 | PTE5 — GPIO PTE5 / SPI0_PCS4 / SDHC0_D1 |
| Pino 74 | PTE6 — GPIO PTE6 / SPI0_PCS5 / SDHC0_D2 |
| Pino 75 | PTE7 — GPIO PTE7 / SPI0_PCS6 / SDHC0_D3 |
| Pino 76 | PTE8 — GPIO PTE8 / UART5_RX |
| Pino 77 | PTE9 — GPIO PTE9 / UART5_TX |
| Pino 78 | PTE10 — GPIO PTE10 |
| Pino 79 | PTE11 — GPIO PTE11 |
| Pino 80 | PTF0 — GPIO PTF0 / LCD_P24 |
| Pino 81 | PTF1 — GPIO PTF1 / LCD_P25 |
| Pino 82 | PTF2 — GPIO PTF2 / LCD_P26 |
| Pino 83 | PTF3 — GPIO PTF3 / LCD_P27 |
| Pino 84 | PTF4 — GPIO PTF4 / LCD_P28 |
| Pino 85 | PTF5 — GPIO PTF5 / LCD_P29 |
| Pino 86 | PTF6 — GPIO PTF6 / LCD_P30 |
| Pino 87 | PTF7 — GPIO PTF7 / LCD_P31 |
| Pino 88 | PTF8 — GPIO PTF8 / LCD_P32 |
| Pino 89 | PTF9 — GPIO PTF9 / LCD_P33 |
| Pino 90 | PTF10 — GPIO PTF10 / LCD_P34 |
| Pino 91 | PTF11 — GPIO PTF11 / LCD_P35 |
| Pino 92 | PTF12 — GPIO PTF12 / LCD_P36 |
| Pino 93 | PTF13 — GPIO PTF13 / LCD_P37 |
| Pino 94 | PTF14 — GPIO PTF14 / LCD_P38 |
| Pino 95 | PTF15 — GPIO PTF15 / LCD_P39 |
| Pino 96 | PTF16 — GPIO PTF16 |
| Pino 97 | PTF17 — GPIO PTF17 |
| Pino 98 | NC — Not connected (per datasheet) |
| Pino 99 | NC — Not connected (per datasheet) |
| Pino 100 | VDD — MCU 1.71-3.6 V supply |
| Pino 101 | VSS — Ground |
| Pino 102 | PTG0 — GPIO PTG0 / EXTAL0 |
| Pino 103 | PTG1 — GPIO PTG1 / XTAL0 |
| Pino 104 | PTG2 — GPIO PTG2 |
| Pino 105 | PTG3 — GPIO PTG3 |
| Pino 106 | PTG4 — GPIO PTG4 |
| Pino 107 | PTG5 — GPIO PTG5 |
| Pino 108 | PTG6 — GPIO PTG6 |
| Pino 109 | PTG7 — GPIO PTG7 |
| Pino 110 | PTG8 — GPIO PTG8 |
| Pino 111 | PTG9 — GPIO PTG9 |
| Pino 112 | PTG11 — GPIO PTG11 |
| Pino 113 | PTG12 — GPIO PTG12 |
| Pino 114 | PTG15 — GPIO PTG15 |
| Pino 115 | PTH0 — GPIO PTH0 |
| Pino 116 | PTH1 — GPIO PTH1 |
| Pino 117 | PTH2 — GPIO PTH2 |
| Pino 118 | PTH3 — GPIO PTH3 |
| Pino 119 | PTH4 — GPIO PTH4 |
| Pino 120 | PTH5 — GPIO PTH5 |
| Pino 121 | PTH6 — GPIO PTH6 |
| Pino 122 | PTH7 — GPIO PTH7 |
| Pino 123 | NC — Not connected (per datasheet) |
| Pino 124 | NC — Not connected (per datasheet) |
| Pino 125 | NC — Not connected (per datasheet) |
| Pino 126 | NC — Not connected (per datasheet) |
| Pino 127 | NC — Not connected (per datasheet) |
| Pino 128 | NC — Not connected (per datasheet) |
| Pino 129 | NC — Not connected (per datasheet) |
| Pino 130 | NC — Not connected (per datasheet) |
| Pino 131 | NC — Not connected (per datasheet) |
| Pino 132 | NC — Not connected (per datasheet) |
| Pino 133 | NC — Not connected (per datasheet) |
| Pino 134 | NC — Not connected (per datasheet) |
| Pino 135 | NC — Not connected (per datasheet) |
| Pino 136 | NC — Not connected (per datasheet) |
| Pino 137 | NC — Not connected (per datasheet) |
| Pino 138 | NC — Not connected (per datasheet) |
| Pino 139 | NC — Not connected (per datasheet) |
| Pino 140 | NC — Not connected (per datasheet) |
| Pino 141 | NC — Not connected (per datasheet) |
| Pino 142 | NC — Not connected (per datasheet) |
| Pino 143 | NC — Not connected (per datasheet) |
| Pino 144 | EPAD — Exposed thermal pad - tie to VSS for thermal dissipation |
Aplicações típicas
MK51DN512CLQ10 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MK51DN512CLQ10 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Highest-density Flash + SLCD in the K5x Measurement family (vs MK51DN256CLQ10)
- No Ethernet MAC = lower power for metering-only designs (vs MK53DN512CLQ10)
- Integrated segment-LCD controller (K5x family exclusive) (vs STM32F407VGT6)
Notas de projeto
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.
Informações de conformidade
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.