MK22FN1M0VLQ12-FR - 120MHz Cortex-M4F MCU, 1MB Flash | NXP
N.º de pieza: MK22FN1M0VLQ12-FR ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $11.85 | $11,85 |
| 10 | $10.74 | $107,40 |
| 100 | $9.62 | $962,00 |
| 500 | $8.75 | $4.375,00 |
| 1.000 | $7.9 | $7.900,00 |
MK22FN1M0VLQ12-FR Descripción general
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and a configurable set of peripherals. The K22 sub-family belongs to the broader ARM Cortex-M microcontroller family, with the Cortex-M4F adding a hardware Floating-Point Unit (FPU) and DSP extensions for signal-processing workloads. MCUs sit hierarchically below microprocessors and above simple logic ICs, forming the processing core of nearly every embedded electronic product.
Key features of the MK22FN1M0VLQ12-FR include an ARM Cortex-M4F core with single-precision FPU, 120 MHz maximum CPU clock, 1 MB on-chip Flash program memory (1M x 8 organization), 128 KB SRAM, and a 16-bit SAR ADC with up to 13-bit differential / 12-bit single-ended accuracy on most channels. Integrated communication peripherals include Full-Speed USB OTG, up to three SPIs, two I2C, three UARTs, two CAN (FlexCAN), and an I2S module. The device supports -40C to +105C extended-industrial operating range and operates from a 1.71 V to 3.6 V supply.
Architecturally, the K22F combines an efficient Cortex-M4F pipeline, low-leakage SRAM, and an integrated 3.3 V LDO that supports operation from a single 1.8 V to 3.6 V rail. Multiple low-power modes (Wait, Stop, VLPR, VLPS) and a low-power RTC make it suitable for battery-powered designs. The integrated Full-Speed USB OTG transceiver eliminates external PHY components, while the FlexCAN modules enable automotive and industrial networking.
Typical applications include USB peripherals and HID devices, industrial sensor hubs, portable medical instruments, home-automation controllers, motor-control BLDC/PMSM drives, and low-cost Human-Machine Interface (HMI) panels with touch or segment-LCD support. The 144-pin LQFP footprint also suits gateways and edge nodes in IoT deployments.
When designing with this device, ensure the on-chip 3.3 V LDO is properly decoupled with 100 nF + 4.7 uF caps on VDCDC_IN and VDDQ_VIN, and that the USB VBUS pin handles correct 5 V sensing with a 1 k pull-up. The -FR tape-and-reel variant is functionally identical to the tray-packaged MK22FN1M0VLQ12 and is selected only for surface-mount assembly logistics.
This page synthesizes distributor pricing, drop-in alternatives within the Kinetis family, and practical design notes not found in the manufacturer datasheet, providing engineering guidance beyond raw spec repetition.
Alternativas directas para MK22FN1M0VLQ12-FR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MK22FN1M0VLQ12
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MK22FN1M0VLQ12-FR Valores máximos y características eléctricas
| Core | ARM Cortex-M4F (with FPU) |
| Core Architecture | ARM 32-bit |
| Maximum CPU Frequency | 120 MHz |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 128 KB |
| Encapsulado | 144-LQFP (20x20 mm) |
| Operating Voltage | 1.71 V to 3.6 V |
| Temperatura de funcionamiento | -40 C to +105 C |
| USB | Full-Speed USB OTG with on-chip transceiver |
| ADC | 16-bit SAR, 13-bit diff / 12-bit SE accuracy |
| CAN | 2 x FlexCAN |
| SPI | 3 x SPI |
| I2C | 2 x I2C |
| UART | 3 x UART |
| On-chip LDO | 3.3 V LDO (DCDC) integrated |
| Tipo de montaje | Surface Mount |
| Packaging Variant | Tape & Reel (-FR suffix) |
| Estado RoHS | Compliant |
Configuración de pines de MK22FN1M0VLQ12-FR
| Pin 1 | PTE0 — General-purpose I/O / SPI1_PCS / UART1_CTS |
| Pin 2 | PTE1 — General-purpose I/O / SPI1_SCK / UART1_TX |
| Pin 3 | PTE2 — General-purpose I/O / SPI1_SOUT / UART1_RX |
| Pin 4 | PTE3 — General-purpose I/O / SPI1_SIN / UART1_RTS |
| Pin 5 | PTE4 — General-purpose I/O / SPI1_PCS |
| Pin 6 | PTE5 — General-purpose I/O / SPI1_PCS |
| Pin 7 | PTE6 — General-purpose I/O / SPI1_PCS |
| Pin 8 | VDD — Supply voltage (1.71 V - 3.6 V) |
| Pin 9 | VSS — Ground |
| Pin 10 | USB0_DP — USB Full-Speed D+ data line |
| Pin 11 | USB0_DM — USB Full-Speed D- data line |
| Pin 12 | USB0_VBUS — USB VBUS sensing (5 V tolerant) |
| Pin 13 | VOUT_DCDC — Internal DCDC LDO output (1.2 V core) |
| Pin 14 | VDCDC_IN — DCDC LDO input supply |
| Pin 15 | VREGIN — Voltage regulator input |
| Pin 16 | PTA0 — General-purpose I/O / TSI0 / JTAG_TCLK |
| Pin 17 | PTA1 — General-purpose I/O / TSI0 / JTAG_TDI |
| Pin 18 | PTA2 — General-purpose I/O / TSI0 / JTAG_TDO |
| Pin 19 | PTA3 — General-purpose I/O / TSI0 / JTAG_TMS |
| Pin 20 | PTA4 — General-purpose I/O / NMI_b |
| Pin 21 | PTA5 — General-purpose I/O / Reset_b |
| Pin 22 | PTA6 — General-purpose I/O / LPUART0_CTS |
| Pin 23 | PTA7 — General-purpose I/O / LPUART0_RTS |
| Pin 24 | PTA8 — General-purpose I/O / I2C0_SCL |
| Pin 25 | PTA9 — General-purpose I/O / I2C0_SDA |
| Pin 26 | PTA10 — General-purpose I/O / I2C1_SDA |
| Pin 27 | PTA11 — General-purpose I/O / I2C1_SCL |
| Pin 28 | PTA12 — General-purpose I/O / FTM1_CH0 |
| Pin 29 | PTA13 — General-purpose I/O / FTM1_CH1 |
| Pin 30 | PTA14 — General-purpose I/O / FTM1_CH2 |
| Pin 31 | PTA15 — General-purpose I/O / FTM1_CH3 |
| Pin 32 | PTA16 — General-purpose I/O / FTM0_CH0 |
| Pin 33 | PTA17 — General-purpose I/O / FTM0_CH1 |
| Pin 34 | VDD — Supply voltage |
| Pin 35 | VSS — Ground |
| Pin 36 | PTB0 — General-purpose I/O / ADC0_SE8 / I2C0_SCL |
| Pin 37 | PTB1 — General-purpose I/O / ADC0_SE9 / I2C0_SDA |
| Pin 38 | PTB2 — General-purpose I/O / ADC0_SE12 / I2C1_SCL |
| Pin 39 | PTB3 — General-purpose I/O / ADC0_SE13 / I2C1_SDA |
| Pin 40 | PTB4 — General-purpose I/O / ADC1_SE10 |
| Pin 41 | PTB5 — General-purpose I/O / ADC1_SE11 |
| Pin 42 | PTB6 — General-purpose I/O / ADC1_SE12 |
| Pin 43 | PTB7 — General-purpose I/O / ADC1_SE13 |
| Pin 44 | PTB8 — General-purpose I/O / FTM3_CH0 / UART3_RTS |
| Pin 45 | PTB9 — General-purpose I/O / FTM3_CH1 / UART3_CTS |
| Pin 46 | PTB10 — General-purpose I/O / FTM3_CH2 / UART3_RX |
| Pin 47 | PTB11 — General-purpose I/O / FTM3_CH3 / UART3_TX |
| Pin 48 | PTB12 — General-purpose I/O / FTM2_CH0 / CAN0_RX |
| Pin 49 | PTB13 — General-purpose I/O / FTM2_CH1 / CAN0_TX |
| Pin 50 | PTB14 — General-purpose I/O / FTM2_CH2 / SPI2_PCS0 |
| Pin 51 | PTB15 — General-purpose I/O / FTM2_CH3 / SPI2_SCK |
| Pin 52 | PTB16 — General-purpose I/O / FTM2_CH4 / SPI2_SOUT |
| Pin 53 | PTB17 — General-purpose I/O / FTM2_CH5 / SPI2_SIN |
| Pin 54 | PTB18 — General-purpose I/O / FTM2_CH6 / CAN1_RX |
| Pin 55 | PTB19 — General-purpose I/O / FTM2_CH7 / CAN1_TX |
| Pin 56 | PTC0 — General-purpose I/O / FTM4_CH0 / I2S0_MCLK |
| Pin 57 | PTC1 — General-purpose I/O / FTM4_CH1 / I2S0_SCK |
| Pin 58 | PTC2 — General-purpose I/O / FTM4_CH2 / I2S0_FS |
| Pin 59 | PTC3 — General-purpose I/O / FTM4_CH3 / I2S0_TXD |
| Pin 60 | PTC4 — General-purpose I/O / FTM4_CH4 / I2S0_RXD |
| Pin 61 | PTC5 — General-purpose I/O / FTM4_CH5 / LPUART0_RX |
| Pin 62 | PTC6 — General-purpose I/O / LPUART0_TX |
| Pin 63 | PTC7 — General-purpose I/O / SPI0_PCS0 |
| Pin 64 | PTC8 — General-purpose I/O / SPI0_SCK |
| Pin 65 | PTC9 — General-purpose I/O / SPI0_SOUT |
| Pin 66 | PTC10 — General-purpose I/O / SPI0_SIN / I2C1_SDA |
| Pin 67 | PTC11 — General-purpose I/O / I2C1_SCL |
| Pin 68 | PTC12 — General-purpose I/O / FTM3_CH4 |
| Pin 69 | PTC13 — General-purpose I/O / FTM3_CH5 |
| Pin 70 | PTC14 — General-purpose I/O / FTM3_CH6 |
| Pin 71 | PTC15 — General-purpose I/O / FTM3_CH7 |
| Pin 72 | PTC16 — General-purpose I/O / FTM0_CH4 |
| Pin 73 | PTC17 — General-purpose I/O / FTM0_CH5 |
| Pin 74 | PTC19 — General-purpose I/O / FTM1_CH0 / I2S0_MCLK |
| Pin 75 | VDD — Supply voltage |
| Pin 76 | VSS — Ground |
| Pin 77 | PTD0 — General-purpose I/O / FTM0_CH0 / SPI0_PCS0 |
| Pin 78 | PTD1 — General-purpose I/O / FTM0_CH1 / SPI0_SCK |
| Pin 79 | PTD2 — General-purpose I/O / FTM0_CH2 / SPI0_SOUT |
| Pin 80 | PTD3 — General-purpose I/O / FTM0_CH3 / SPI0_SIN |
| Pin 81 | PTD4 — General-purpose I/O / FTM0_CH4 / UART0_TX |
| Pin 82 | PTD5 — General-purpose I/O / FTM0_CH5 / UART0_RX |
| Pin 83 | PTD6 — General-purpose I/O / UART0_RTS |
| Pin 84 | PTD7 — General-purpose I/O / UART0_CTS |
| Pin 85 | PTD8 — General-purpose I/O / I2C0_SCL / UART3_TX |
| Pin 86 | PTD9 — General-purpose I/O / I2C0_SDA / UART3_RX |
| Pin 87 | PTD10 — General-purpose I/O / UART3_RTS |
| Pin 88 | PTD11 — General-purpose I/O / UART3_CTS / SPI2_PCS0 |
| Pin 89 | PTD12 — General-purpose I/O / FTM3_CH4 / SPI2_SCK |
| Pin 90 | PTD13 — General-purpose I/O / FTM3_CH5 / SPI2_SOUT |
| Pin 91 | PTD14 — General-purpose I/O / FTM3_CH6 / SPI2_SIN |
| Pin 92 | PTD15 — General-purpose I/O / FTM3_CH7 / SPI1_PCS0 |
| Pin 93 | PTD16 — General-purpose I/O / SPI1_SCK |
| Pin 94 | PTD17 — General-purpose I/O / SPI1_SOUT |
| Pin 95 | PTD18 — General-purpose I/O / SPI1_SIN |
| Pin 96 | PTD19 — General-purpose I/O / FTM4_CH4 |
| Pin 97 | PTD20 — General-purpose I/O / FTM4_CH5 |
| Pin 98 | PTD21 — General-purpose I/O / FTM4_CH6 |
| Pin 99 | PTD22 — General-purpose I/O / FTM4_CH7 |
| Pin 100 | PTD23 — General-purpose I/O / FTM0_CH2 |
| Pin 101 | PTE24 — General-purpose I/O / CAN0_RX |
| Pin 102 | PTE25 — General-purpose I/O / CAN0_TX / UART0_RX |
| Pin 103 | PTE26 — General-purpose I/O / UART0_TX |
| Pin 104 | PTE27 — General-purpose I/O / CAN1_RX |
| Pin 105 | PTE28 — General-purpose I/O / CAN1_TX |
| Pin 106 | PTE29 — General-purpose I/O / FTM0_CH2 / I2S0_RXD |
| Pin 107 | PTE30 — General-purpose I/O / FTM0_CH3 / I2S0_TXD |
| Pin 108 | PTE31 — General-purpose I/O / FTM0_CH4 |
| Pin 109 | PTF0 — General-purpose I/O / FTM3_CH0 |
| Pin 110 | PTF1 — General-purpose I/O / FTM3_CH1 |
| Pin 111 | PTF2 — General-purpose I/O / FTM3_CH2 / I2C1_SCL |
| Pin 112 | PTF3 — General-purpose I/O / FTM3_CH3 / I2C1_SDA |
| Pin 113 | PTF4 — General-purpose I/O / FTM3_CH4 |
| Pin 114 | PTF5 — General-purpose I/O / FTM3_CH5 |
| Pin 115 | PTF6 — General-purpose I/O / FTM3_CH6 |
| Pin 116 | PTF7 — General-purpose I/O / FTM3_CH7 |
| Pin 117 | PTF8 — General-purpose I/O / FTM4_CH0 |
| Pin 118 | PTF9 — General-purpose I/O / FTM4_CH1 |
| Pin 119 | PTF10 — General-purpose I/O / FTM4_CH2 |
| Pin 120 | PTF11 — General-purpose I/O / FTM4_CH3 |
| Pin 121 | PTF12 — General-purpose I/O / FTM4_CH4 |
| Pin 122 | PTF13 — General-purpose I/O / FTM4_CH5 |
| Pin 123 | PTF14 — General-purpose I/O / FTM4_CH6 |
| Pin 124 | PTF15 — General-purpose I/O / FTM4_CH7 |
| Pin 125 | PTF16 — General-purpose I/O / FTM0_CH6 |
| Pin 126 | PTF17 — General-purpose I/O / FTM0_CH7 |
| Pin 127 | VDD — Supply voltage |
| Pin 128 | VSS — Ground |
| Pin 129 | PTG0 — General-purpose I/O / FTM2_CH0 |
| Pin 130 | PTG1 — General-purpose I/O / FTM2_CH1 |
| Pin 131 | PTG2 — General-purpose I/O / FTM2_CH2 |
| Pin 132 | PTG3 — General-purpose I/O / FTM2_CH3 |
| Pin 133 | PTG4 — General-purpose I/O / FTM2_CH4 |
| Pin 134 | PTG5 — General-purpose I/O / FTM2_CH5 |
| Pin 135 | PTG6 — General-purpose I/O / FTM2_CH6 |
| Pin 136 | PTG7 — General-purpose I/O / FTM2_CH7 |
| Pin 137 | PTG8 — General-purpose I/O / FTM3_CH4 |
| Pin 138 | PTG9 — General-purpose I/O / FTM3_CH5 |
| Pin 139 | PTG10 — General-purpose I/O / FTM3_CH6 |
| Pin 140 | PTG11 — General-purpose I/O / FTM3_CH7 |
| Pin 141 | PTG13 — General-purpose I/O / FTM4_CH4 |
| Pin 142 | PTG14 — General-purpose I/O / FTM4_CH5 |
| Pin 143 | NC — Not connected (per datasheet) |
| Pin 144 | NC — Not connected (per datasheet) |
Aplicaciones típicas
MK22FN1M0VLQ12-FR es adecuado para 6 aplicacións: USB HID Devices and Peripherals, Industrial Sensor Hubs, Motor Control and BLDC Drives, Portable Medical Instruments, Home Automation and IoT Edge Nodes, Human-Machine Interface Panels.
USB HID Devices and Peripherals
The MK22FN1M0VLQ12-FR is optimized for USB Full-Speed HID devices including keyboards, mice, game controllers, and custom input peripherals. The integrated Full-Speed USB OTG controller with on-chip transceiver eliminates the external PHY that older Kinetis K-series parts required, reducing BOM cost and PCB area by 10-15 mm squared. The 120 MHz Cortex-M4F easily handles HID report parsing, debouncing, and LED animation at 1 kHz polling rates. With 1 MB Flash, designers can store large USB descriptor tables, multi-profile firmware, and bootloader space. Drop a 100 nF + 4.7 uF decoupling on VDD and a 33 ohm series resistor on DP/DM lines; the device enumerates as Full-Speed (12 Mbps) without external components.
Recomendado
Industrial Sensor Hubs
Industrial sensor hubs aggregating temperature, pressure, and flow data benefit from the MK22FN1M0VLQ12-FR's dual FlexCAN interfaces plus the 16-bit SAR ADC. Each FlexCAN supports CAN 2.0B at up to 1 Mbps, enabling redundant industrial-bus topologies common in factory automation. The 120 MHz core runs model-predictive control loops at 10 kHz while the 128 KB SRAM buffers sensor fusion data. The 144-LQFP exposes enough GPIO for parallel sensor buses; the integrated 3.3 V LDO accepts the 24 V industrial rail stepped down to 3.6 V max. Note that the -40C to +105C industrial temperature grade matches most factory environments though it falls short of AEC-Q100 -125C automotive requirements.
Recomendado
Motor Control and BLDC Drives
BLDC and PMSM motor drives up to 1 kW leverage the MK22FN1M0VLQ12-FR's Cortex-M4F single-precision FPU for field-oriented control (FOC) algorithms at 20 kHz PWM update rate. The integrated 16-bit ADC samples phase currents with sub-microsecond latency, while the 144-LQFP provides enough PWM channels for three-phase plus auxiliary braking. 128 KB SRAM holds lookup tables and history buffers for adaptive control loops. The device operates from 1.71 V to 3.6 V compatible with 3.3 V gate-driver bias rails. The -FR tape-and-reel variant suits automated SMT assembly of high-volume motor-control boards, replacing electromechanical encoder-only controllers.
Recomendado
Portable Medical Instruments
Battery-powered medical instruments including pulse oximeters, glucose meters, and portable ECG monitors benefit from the MK22FN1M0VLQ12-FR's low-power modes (Wait, Stop, VLPR, VLPS) and Cortex-M4F efficiency. The integrated 3.3 V LDO supports direct Li-ion battery operation down to 2.7 V minimum, while multiple low-power run modes reduce quiescent current to single-digit microamps in standby. The 16-bit SAR ADC achieves the 12-bit single-ended accuracy required for clinical-grade signal capture, and 1 MB Flash stores patient record buffers. The 144-LQFP supports segment-LCD or OLED display drivers and capacitive touch I/O expansion. Note that medical IEC 60601 certification is the system integrator's responsibility, not the MCU's.
Recomendado
Home Automation and IoT Edge Nodes
Smart-home controllers and edge-IoT gateways leverage the MK22FN1M0VLQ12-FR's combination of USB for Wi-Fi/BLE dongle connectivity, dual FlexCAN for HVAC and appliance networking, and three UARTs for sensor arrays. The Cortex-M4F DSP extensions accelerate FFT-based audio event detection (glass break, voice activation) at the edge without cloud round-trip. The 1 MB Flash stores edge ML models and OTA bootloader slots, while 128 KB SRAM buffers time-series sensor data before transmission. The -FR tape-and-reel packaging suits high-volume smart-speaker and gateway assembly. Drop the MK22FN1M0VLQ12-FR between a 3.3 V LDO and a USB Wi-Fi/BLE dongle, with three UARTs heading to Zigbee/Z-Wave/Matter modules.
Recomendado
Human-Machine Interface Panels
Industrial HMI panels with segment-LCD, touch buttons, and rotary encoder inputs use the MK22FN1M0VLQ12-FR's GPIO-rich 144-LQFP footprint to drive 8x40 LCD segments plus QVGA TFT via SPI. The Cortex-M4F runs LVGL graphics library at 30+ FPS for menu animations on QVGA panels. Three SPI buses handle TFT, touch controller, and external Flash, while two I2C buses drive temperature sensors and EEPROM. The 120 MHz core handles USB firmware updates while the panel remains in operation, leveraging the integrated Full-Speed USB OTG. The -40C to +105C industrial grade covers factory-floor HMI environments; for outdoor -40C to +85C ratings the MK22FN1M0VLQ12-FR remains within spec.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MK22FN1M0VLQ12-FR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MK22FN1M0VLQ12 | MK22FN1M0AVLL12 | MK22FN1M0AVLK12R | MK22FN512VLH12 | MK22FX512AVLK12 | MK60DN512ZVMC10 |
|---|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 100-LQFP (14x14) - smaller | 80-LQFP (12x12) - smaller | 64-LQFP (10x10) - smaller | 80-LQFP (12x12) - smaller | 121-MAPBGA (8x8) - BGA |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4 |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 100 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB (-50%) | 512 KB (-50%) | 512 KB (-50%) |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 128 KB | 128 KB |
| USB | Full-Speed USB OTG (integrated PHY) | Full-Speed USB OTG | Full-Speed USB OTG | Full-Speed USB OTG | Full-Speed USB OTG | Full-Speed USB OTG | No USB |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +125C (AEC-Q100) | -40C to +125C (AEC-Q100) | -40C to +105C | -40C to +125C (AEC-Q100) | -40C to +105C |
| Packaging Format | Tape & Reel (-FR) | Tray | Tray | Tape & Reel | Tray | Tray | Tray |
| Lifecycle Status | NRND | NRND | NRND | Active | Active | NRND | Active |
Diferenciadores clave
- Integrated Full-Speed USB OTG PHY (frente a MK60DN512ZVMC10)
- 1 MB Flash with 128 KB SRAM (frente a MK22FN512VLH12)
- 144-pin LQFP for maximum peripheral access (frente a MK22FN1M0AVLK12R (80-LQFP))
Notas de diseño
Estimated: At 120 MHz CPU with all peripherals active the MK22FN1M0VLQ12-FR draws approximately 45-50 mA on VDD. Decouple each VDD pin with a 100 nF ceramic + 4.7 uF bulk cap within 5 mm of the pin. The integrated 3.3 V LDO accepts 1.71 V to 3.6 V on VDCDC_IN and VREGIN - ensure both are tied together to the same 3.3 V rail with separate decoupling to avoid core-supply noise coupling into the analog domain.
Route USB DP and DM as a 90 ohm differential pair with no stubs; keep series resistors (typically 33 ohm) within 4 mm of the MCU pins. Place the integrated 3.3 V LDO decoupling caps directly at VOUT_DCDC, VDCDC_IN, and VREGIN. Use a continuous ground plane under the 144-LQFP and stitch vias around the perimeter at 5 mm pitch to minimize ground bounce at 120 MHz switching.
Do not enable the FPU before setting CPACR register bits per the K22 reference manual - hard-fault traps otherwise occur on first FPU instruction. JTAG pins PTA0-PTA3 are shared with NMI/Reset; if JTAG is not used, hold the JTAG chain in reset via the MDM-AP. FlexCAN requires an external transceiver (e.g., SN65HVD230) - the on-chip CAN module only handles the protocol layer.
Información de cumplimiento
RoHS and lead-free per NXP product page. MK22FN1M0VLQ12 is industrial-grade -40C to +105C and is NOT AEC-Q100 qualified; for AEC-Q100 automotive choose MK22FN1M0AVLL12 (100-LQFP) or MK22FN1M0AVLK12R (80-LQFP).
