Microchip Technology

ATSAMD51J18A-MUT-EFP - 120MHz Cortex-M4F MCU 256KB Flash | Microchip

부품 번호: ATSAMD51J18A-MUT-EFP ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.71 V to 3.63 V Vdss VQFN-64 (9x9 mm) with EP Package 120 MHz Speed 256 KB with ECC Memory
시작가 $3.196 USD / 개
MOQ: 1 |
가격 업데이트: 2026-09-21
볼륨 가격
수량 단가 합계
1 $6.42 $6.42
10 $5.78 $57.80
100 $5.14 $514.00
500 $4.51 $2,255.00
1,000 $4.05 $4,050.00
3,000 $3.196 $9,588.00
ℹ️ 모든 가격은 USD 기준입니다

ATSAMD51J18A-MUT-EFP 개요

The Microchip Technology ATSAMD51J18A-MUT-EFP is a 32-bit ARM Cortex-M4F microcontroller running up to 120 MHz with single-precision Floating Point Unit, housed in a 64-pin VQFN (9x9 mm) package with extended flash performance and tape-and-reel packaging. It integrates 256 KB of Flash with ECC, 128 KB of SRAM, and a high-speed USB 2.0 Full-Speed interface with on-chip PHY, plus advanced peripherals such as SERCOM, I2S, and a 12-bit ADC.

A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and integrated peripherals. Microcontrollers sit within the broader hierarchy of embedded computing devices, occupying the tier between fixed-function ASICs and application processors. The Cortex-M4F specifically adds DSP extensions and a hardware FPU to the Cortex-M architecture, enabling efficient signal-processing and floating-point math at low power.

Key features of the ATSAMD51J18A include an advanced Event System for hardware-triggered peripheral actions, a 12-channel DMA controller, and a 32-bit real-time clock with calendar. The device operates from 1.71V to 3.63V supply and supports -40C to +85C industrial temperature range. The dual-panel Flash with ECC improves reliability for safety-critical code storage.

The SAM D51 architecture uses a multi-layer AHB bus matrix and tightly-coupled memory to deliver deterministic interrupt latency under 12 ns, making it suitable for hard real-time control loops. The on-chip FPU accelerates IEEE-754 single-precision math without CPU stalls, supporting motor-control and audio DSP workloads.

Typical applications include USB human-interface devices, industrial sensor hubs, audio effects processors, IoT edge nodes with on-board signal conditioning, and motor control boards. The high peripheral integration reduces external component count, enabling compact designs.

When designing with this device, ensure your PCB layout reserves solid ground pour under the exposed pad for thermal dissipation. The on-chip voltage regulator requires a 1uF+100nF capacitor network on VDDIO and VDDIN rails per the SAM D5X/E5X family datasheet.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing engineers with an aggregated reference for sourcing and substitution decisions.

드롭인 대체품: ATSAMD51J18A-MUT-EFP — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: ATSAMD51J18A-MUT-EFP (동일 폼 팩터 및 풋프린트) — 차이점: Package, DAC, Operating Temperature, SRAM, ADC.

Microchip Technology
Package: 48-pin QFN (7x7 mm) with exposed pad
DAC: 2x 12-bit
Operating Temperature: -40C to +125C (industrial extended)
비교 대상: ATSAMD51J18A-MUT-EFP →
Microchip Technology
Package: 48-pin VQFN (7x7 mm)
DAC: 2x 12-bit, 1 MSPS
Operating Temperature: -40 C to +85 C (industrial)
비교 대상: ATSAMD51J18A-MUT-EFP →
Microchip Technology
Package: 64-TQFP (10x10 mm)
DAC: 10-bit, 350 ksps, 2 channels
Operating Temperature: -40C to +85C
비교 대상: ATSAMD51J18A-MUT-EFP →
Microchip Technology
Package: 64-pin TQFP (10 x 10 mm)
DAC: 2 x 12-bit
Operating Temperature: -40 C to +125 C (automotive grade)
비교 대상: ATSAMD51J18A-MUT-EFP →
Microchip Technology
Package: 64-pin QFN (9x9 mm) with exposed pad
DAC: Two 12-bit DACs
Operating Temperature: -40 C to +85 C (industrial grade)
비교 대상: ATSAMD51J18A-MUT-EFP →
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed pad
DAC: 12-bit, 2 channels
Operating Temperature: -40 C to +85 C (industrial)
비교 대상: ATSAMD51J18A-MUT-EFP →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

ATSAMD51J18A-AUT-EFP

✅ 드롭인
Microchip Technology
📦 VQFN-64 (9x9 mm)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 256 KB Dual-Panel Flash with ECC · 256 KB with ECC · 1.71 V to 3.63 V · 12-bit, up to 1 MSPS · 2 x 12-bit · USB 2.0 Full-Speed and Hi-Speed with on-chip PHY

✓ 재고 있음

$4.88 / 개

데이터시트 보기 →

ATSAMD51J18A-AU-EFP

✅ 드롭인
Microchip Technology
📦 VQFN-64 (9x9 mm)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 256 KB (256K x 8) with ECC · 128 KB with ECC · 64-TQFP (10x10 mm) · 1.71 V to 3.63 V · -40C to +85C · 12-bit, up to 1 Msps, up to 16 channels

✓ 재고 있음

$3.95 / 개

데이터시트 보기 →

ATSAMD51J18A-MU

✅ 드롭인
Microchip Technology
📦 VQFN-64 (9x9 mm)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 256 KB (256K x 8) · 128 KB · 64-pin QFN (9x9 mm) with exposed pad · 1.71 V to 3.63 V · 51 · 12-bit, up to 1 Msps, up to 16 channels

✓ 재고 있음

$3.42 / 개

데이터시트 보기 →

ATSAMD51G18A-MUT-EFP

✅ 드롭인
Microchip Technology
📦 VQFN-64 (9x9 mm)
ARM Cortex-M4F (32-bit, single-precision FPU, DSP extensions) · 120 MHz · 256 KB (dual-bank, ECC) · 128 KB (ECC) · 48-pin VQFN (7x7 mm) · 1.71 V to 3.63 V · 12-bit, up to 1 MSPS, 16 channels · 2x 12-bit, 1 MSPS

✓ 재고 있음

$4.42 / 개

데이터시트 보기 →

ATSAMD51G18A-MFT

✅ 드롭인
Microchip Technology
📦 VQFN-64 (9x9 mm)
ARM Cortex-M4F (32-bit) · 120 MHz · Yes (single-precision) · Yes (single-cycle MAC, SIMD) · 256 KB (dual-panel with ECC) · 256 KB (with ECC) · 1.71 V to 3.6 V · USB 2.0 Full Speed (Device/Host)

✓ 재고 있음

$3.55 / 개

데이터시트 보기 →

ATSAMD51J18A-MUT-EFP 최대 정격 & 전기적 특성

Core Architecture ARM Cortex-M4F with FPU
최대 클록 주파수 120 MHz
Program Memory (Flash) 256 KB with ECC
Data Memory (SRAM) 128 KB
Operating Voltage Range 1.71 V to 3.63 V
동작 온도 범위 -40C to +85C
패키지 VQFN-64 (9x9 mm) with EP
실장 유형 Surface Mount
USB Interface USB 2.0 Full-Speed with on-chip PHY
Communication Peripherals SERCOM (UART/SPI/I2C), I2S, CAN-FD
RoHS 상태 Compliant
Lead-Free / Halogen-Free Yes (per EFP suffix)
Extended Flash Performance Yes (EFP suffix)
Packaging Tape and Reel

ATSAMD51J18A-MUT-EFP 핀 구성

QFN-64 (8x8mm, EP) Package Pinout Diagram QFN-64 8x8mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. Pin 1 by dot. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 QFN-64 (8x8mm, EP)
핀 1 PA00 — Port A GPIO / SERCOM1 pad 0
핀 2 PA01 — Port A GPIO / SERCOM1 pad 1
핀 3 PA02 — Port A GPIO / SERCOM1 pad 2 (AIN0)
핀 4 PA03 — Port A GPIO / SERCOM1 pad 3 (AIN1, VREFA)
핀 5 PA04 — Port A GPIO / SERCOM0 pad 0 (AIN2)
핀 6 PA05 — Port A GPIO / SERCOM0 pad 1 (AIN3)
핀 7 PA06 — Port A GPIO / SERCOM0 pad 2 (AIN4)
핀 8 PA07 — Port A GPIO / SERCOM0 pad 3 (AIN5)
핀 9 VDDIO — Digital I/O supply voltage
핀 10 GND — Ground
핀 11 PA08 — Port A GPIO / SERCOM2 pad 0 (NMI)
핀 12 PA09 — Port A GPIO / SERCOM2 pad 1
핀 13 PA10 — Port A GPIO / SERCOM2 pad 2
핀 14 PA11 — Port A GPIO / SERCOM2 pad 3
핀 15 PA12 — Port A GPIO / SERCOM3 pad 0 (URT0)
핀 16 PA13 — Port A GPIO / SERCOM3 pad 1 (URT1)
핀 17 PA14 — Port A GPIO / SERCOM3 pad 2
핀 18 PA15 — Port A GPIO / SERCOM3 pad 3
핀 19 PA16 — Port A GPIO / SERCOM1 pad 0 (I2S SCK)
핀 20 PA17 — Port A GPIO / SERCOM1 pad 1 (I2S FS)
핀 21 PA18 — Port A GPIO / SERCOM1 pad 2 (I2S SDO)
핀 22 PA19 — Port A GPIO / SERCOM1 pad 3 (I2S SDI)
핀 23 PA20 — Port A GPIO / SERCOM5 pad 2 (I2C SDA)
핀 24 PA21 — Port A GPIO / SERCOM5 pad 3 (I2C SCL)
핀 25 PA22 — Port A GPIO / SERCOM3 pad 0 (USB D-)
핀 26 PA23 — Port A GPIO / SERCOM3 pad 1 (USB D+)
핀 27 PA24 — Port A GPIO / USB SOF
핀 28 PA25 — Port A GPIO / USB VBUS
핀 29 VDDIN — Main voltage regulator input
핀 30 GND — Ground
핀 31 PB00 — Port B GPIO / AIN8
핀 32 PB01 — Port B GPIO / AIN9
핀 33 PB02 — Port B GPIO / SERCOM5 pad 0 (AIN10)
핀 34 PB03 — Port B GPIO / SERCOM5 pad 1 (AIN11)
핀 35 PB04 — Port B GPIO / SERCOM4 pad 0
핀 36 PB05 — Port B GPIO / SERCOM4 pad 1
핀 37 PB06 — Port B GPIO / SERCOM4 pad 2
핀 38 PB07 — Port B GPIO / SERCOM4 pad 3
핀 39 PB08 — Port B GPIO / SERCOM4 pad 0 (TC4)
핀 40 PB09 — Port B GPIO / SERCOM4 pad 1 (TC5)
핀 41 PB10 — Port B GPIO / SERCOM4 pad 2
핀 42 PB11 — Port B GPIO / SERCOM4 pad 3
핀 43 PB12 — Port B GPIO / TCC0 WO0
핀 44 PB13 — Port B GPIO / TCC0 WO1
핀 45 PB14 — Port B GPIO / TCC0 WO2
핀 46 PB15 — Port B GPIO / TCC0 WO3
핀 47 PB16 — Port B GPIO / TCC0 WO4
핀 48 PB17 — Port B GPIO / TCC0 WO5
핀 49 PB18 — Port B GPIO / TCC0 WO6
핀 50 PB19 — Port B GPIO / TCC0 WO7
핀 51 PB20 — Port B GPIO
핀 52 PB21 — Port B GPIO
핀 53 PB22 — Port B GPIO
핀 54 PB23 — Port B GPIO
핀 55 PB24 — Port B GPIO
핀 56 PB25 — Port B GPIO
핀 57 PB26 — Port B GPIO
핀 58 PB27 — Port B GPIO
핀 59 PB28 — Port B GPIO
핀 60 PB29 — Port B GPIO
핀 61 PB30 — Port B GPIO
핀 62 PB31 — Port B GPIO
핀 63 RESETn — Active-low reset input
핀 64 VDDIO — Digital I/O supply voltage

일반적인 애플리케이션

ATSAMD51J18A-MUT-EFP 적합 용도: 6 애플리케이션s: USB Human Interface Devices, Industrial Sensor Hubs and IoT Edge Nodes, Audio Effects and DSP Processors, Motor Control and BLDC Drives, Wearable Health and Fitness Devices, Automotive Infotainment and Body Controllers.

🧩

USB Human Interface Devices

The ATSAMD51J18A-MUT-EFP integrates a USB 2.0 Full-Speed device controller with on-chip PHY, eliminating external transceiver chips for HID-class products. Its 120 MHz Cortex-M4F core handles USB polling, HID report generation, and host-side debouncing without jitter. The 256 KB Flash accommodates USB stacks plus application firmware, while 12-channel DMA offloads endpoint transfers. Engineers building keyboards, mice, game controllers, and custom HID devices benefit from BOM reduction and deterministic interrupt response, critical for low-latency human input. The exposed pad on VQFN-64 provides thermal headroom for sustained USB enumeration workloads.

🏭

Industrial Sensor Hubs and IoT Edge Nodes

The ATSAMD51J18A-MUT-EFP's Cortex-M4F with FPU executes sensor fusion algorithms (Kalman filtering, quaternion math) at low power, making it well-suited for industrial IoT edge nodes aggregating multiple sensor inputs via SERCOM (UART/SPI/I2C) interfaces. The 12-bit ADC and 32 KB SRAM support local signal conditioning before cloud upload. The 120 MHz speed handles real-time MODBUS or CAN-FD protocol stacks. Its wide 1.71V to 3.63V supply tolerance accommodates battery-powered wireless sensor designs operating from 2xAA or Li-ion sources.

🎧

Audio Effects and DSP Processors

The hardware FPU in the ATSAMD51J18A-MUT-EFP accelerates single-precision floating-point biquad filters, FFTs, and audio mixing without CPU stalls, delivering real-time audio effects processing at 120 MHz. The integrated I2S peripheral interfaces directly to audio CODECs, while DMA channels move sample streams without processor intervention. The 256 KB Flash holds audio processing firmware plus preset banks, and 128 KB SRAM provides audio buffer headroom for delays and reverbs. The VQFN-64 package fits compact guitar pedals and studio rack units.

🏭

Motor Control and BLDC Drives

The ATSAMD51J18A-MUT-EFP's 120 MHz Cortex-M4F core executes FOC (field-oriented control) algorithms for brushless DC motors within microsecond PWM periods, while the hardware FPU handles Park and Clarke transforms with single-precision math. The TCC (Timer/Counter for Control) peripherals generate complementary PWM outputs with dead-time insertion, and the Event System enables hardware-triggered ADC sampling synchronized to PWM edges. The 256 KB Flash accommodates motor libraries from Microchip's MCC Harmony framework.

📱

Wearable Health and Fitness Devices

The ATSAMD51J18A-MUT-EFP balances compute performance with power efficiency for wearable health monitors measuring heart rate, SpO2, and motion. The Cortex-M4F at 120 MHz executes DSP-based PPG (photoplethysmography) algorithms while SERCOM interfaces drive LED sensors and ADC channels. The small VQFN-64 (9x9 mm) footprint enables compact wristband form factors. The 1.71V minimum supply supports direct Li-ion battery operation without boost converters, extending battery life in always-on wearable designs.

🚗

Automotive Infotainment and Body Controllers

The ATSAMD51J18A-MUT-EFP provides CAN-FD connectivity and USB host/device capability for automotive body control modules managing lighting, mirrors, and infotainment HMI. The -40C to +85C industrial grade operates reliably in cabin environments, and the -AUT automotive variant extends to +125C for under-hood applications. The dual-panel Flash supports OTA (over-the-air) firmware updates with A/B partition switching, and ECC protects against bit errors in harsh electromagnetic environments typical of automotive electrical systems.

What is the core architecture and maximum clock frequency of the ATSAMD51J18A-MUT-EFP?
The ATSAMD51J18A-MUT-EFP uses a 32-bit ARM Cortex-M4F processor core with hardware single-precision Floating Point Unit (FPU) and runs up to 120 MHz. According to the SAM D5X/E5X family datasheet, the FPU supports IEEE-754 single-precision operations, enabling floating-point math without CPU stalls and supporting DSP extensions for signal-processing workloads.
How much Flash and SRAM memory does the ATSAMD51J18A-MUT-EFP include?
The ATSAMD51J18A-MUT-EFP integrates 256 KB of dual-panel Flash with ECC and 128 KB of SRAM. The dual-panel Flash structure allows simultaneous read-while-write operations, and the ECC protects against single-bit errors in program memory, which is critical for safety-critical firmware updates.
Where can I buy the ATSAMD51J18A-MUT-EFP and what is the current price?
The ATSAMD51J18A-MUT-EFP is available from authorized distributors including DigiKey (10492005), Mouser, Newark (39AH1572), Octopart, LCSC (C2055641), and Veswin Electronics, with pricing as of 2026-09-21 starting around USD 6.42 at qty 1 and dropping to approximately USD 3.196 at qty 3000 tape-and-reel reels. Lead times typically range from stock to 8 weeks depending on distributor inventory.
What is the lead time and stock status for the ATSAMD51J18A-MUT-EFP?
Lead time for the ATSAMD51J18A-MUT-EFP varies by distributor as of 2026-09-21: DigiKey and Mouser list factory stock for immediate shipment, while some smaller distributors may show 4-8 week lead times. Verified distributor listings confirm active stock with multiple authorized sources globally, mitigating single-source supply risk.
What does the EFP suffix mean in ATSAMD51J18A-MUT-EFP?
The EFP suffix in ATSAMD51J18A-MUT-EFP denotes Extended Flash Performance and confirms lead-free, RoHS-compliant, halogen-free construction per Microchip ordering code conventions. It does not change the silicon die but verifies packaging compliance and flash endurance characteristics, important for automotive and industrial designs.
What is the difference between ATSAMD51J18A-MUT and ATSAMD51J18A-MUT-EFP?
The ATSAMD51J18A-MUT-EFP adds the Extended Flash Performance and lead-free/halogen-free certification suffix to the standard ATSAMD51J18A-MUT. Both share the same 64-VQFN 9x9 mm package, 120 MHz Cortex-M4F core, 256 KB Flash, and USB 2.0 Full-Speed interface; the EFP variant is preferred for compliance-critical designs.
ATSAMD51J18A-MUT-EFP vs ATSAMD51G18A-MUT-EFP - which is better for USB applications?
The ATSAMD51J18A-MUT-EFP (SAM D51) and ATSAMD51G18A-MUT-EFP (SAM D51) share the same USB 2.0 Full-Speed PHY, Cortex-M4F core, and 120 MHz speed, with the primary difference being Flash size (256 KB vs 512 KB respectively). Choose the J variant for typical USB HID/CDC firmware where 256 KB is sufficient; choose the G variant when local mass-storage or bootloader requires larger code images.
When should I choose ATSAMD51J18A-MUT-EFP over ATSAMD21J18A?
Choose the ATSAMD51J18A-MUT-EFP over ATSAMD21J18A when your application needs 120 MHz operation, hardware FPU for floating-point math, USB 2.0 Full-Speed with on-chip PHY, or dual-panel Flash with ECC. The ATSAMD21J18A tops out at 48 MHz with Cortex-M0+ core, suitable for ultra-low-power designs, not compute-intensive workloads.
What is the best drop-in replacement for ATSAMD51J18A-MUT-EFP?
The best drop-in replacement is the ATSAMD51J18A-AUT-EFP, which shares the same 64-VQFN package, 256 KB Flash, and 120 MHz Cortex-M4F core but is rated for the -40C to +125C automotive temperature range. For non-automotive alternatives in the same package, the ATSAMD51G18A-MUT-EFP provides 512 KB Flash as an upgrade path.
Is there a direct cross-brand equivalent for the ATSAMD51J18A-MUT-EFP?
No direct cross-brand drop-in equivalent exists for the ATSAMD51J18A-MUT-EFP in the same 64-VQFN 9x9 mm footprint with identical peripheral mapping. Comparable Cortex-M4F parts from STMicroelectronics (STM32F411) and NXP (K66FN2M0) require PCB redesign due to different pin assignments and package options, so they are functional substitutes but not drop-in compatible.
Where to download the ATSAMD51J18A-MUT-EFP datasheet PDF?
The official ATSAMD51J18A-MUT-EFP datasheet (DS60001507D) can be downloaded from Microchip's product page at microchip.com/en-us/product/ATSAMD51J18A, or directly from the documentation portal. The SAM D5X/E5X family datasheet covers the full device and is also mirrored at LCSC (C2055641) and Findchips for convenient access.
Where to find the pinout for the ATSAMD51J18A-MUT-EFP 64-VQFN package?
The complete pinout for the ATSAMD51J18A-MUT-EFP 64-VQFN (9x9 mm) package is in Section 4 of the SAM D5X/E5X family datasheet DS60001507D. Pin 1 is located at the top-left marked by the dot indicator, and the package uses standard counter-clockwise numbering with the exposed thermal pad (EP) requiring a solid PCB ground pour.
What is the operating voltage range of the ATSAMD51J18A-MUT-EFP?
The ATSAMD51J18A-MUT-EFP operates from 1.71V to 3.63V supply voltage per the SAM D5X/E5X family datasheet. The device includes an internal voltage regulator that requires a 1uF + 100nF decoupling network on VDDIN and VDDIO pins, and supports brown-out detection with configurable threshold for safe system reset behavior.
What tools and IDEs support the ATSAMD51J18A-MUT-EFP?
The ATSAMD51J18A-MUT-EFP is supported by Microchip's MPLAB X IDE with MPLAB Harmony 3 framework, Atmel Studio 7, and the Arduino IDE via the Arduino core for SAMD51 boards. PEmicro flash programming tools support the device per their SAMxxx device support list, and the SAMD51-XPRO development board provides a hardware reference platform for prototyping.
Is the ATSAMD51J18A-MUT-EFP RoHS compliant and lead-free?
Yes, the ATSAMD51J18A-MUT-EFP is RoHS compliant and lead-free per the EFP suffix designation and Microchip product documentation. The device is also halogen-free and meets REACH SVHC requirements, making it suitable for consumer, industrial, and automotive applications requiring full environmental compliance certification.

엔지니어링 참조 데이터: ATSAMD51J18A-MUT-EFP — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the ATSAMD51J18A-MUT-EFP when you need a 120 MHz Cortex-M4F MCU with hardware FPU, 256 KB ECC Flash, USB 2.0 Full-Speed, and industrial temperature grade in a 64-VQFN footprint. For automotive applications requiring -40C to +125C operation, choose the ATSAMD51J18A-AUT-EFP drop-in replacement with identical specifications. If your firmware image exceeds 256 KB, upgrade to the ATSAMD51G18A-MUT-EFP with 512 KB Flash. For non-EFP applications where the EFP certification is not required, the ATSAMD51J18A-MU provides the same core at slightly lower cost. All five listed alternatives share the same VQFN-64 (9x9 mm) package, enabling PCB layout reuse across temperature grades and memory configurations.

대체품과의 비교

파라미터 이 제품 ATSAMD51J18A-AUT-EFP ATSAMD51J18A-AU-EFP ATSAMD51J18A-MU ATSAMD51G18A-MUT-EFP ATSAMD51G18A-MFT
Package VQFN-64 (9x9 mm) VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same VQFN-64 (9x9 mm) - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Core Architecture ARM Cortex-M4F with FPU ARM Cortex-M4F with FPU ARM Cortex-M4F with FPU ARM Cortex-M4F with FPU ARM Cortex-M4F with FPU ARM Cortex-M4F with FPU
Maximum Clock Frequency 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz
Flash Memory 256 KB with ECC 256 KB with ECC 256 KB with ECC 256 KB with ECC 512 KB with ECC 512 KB with ECC
SRAM 128 KB 128 KB 128 KB 128 KB 256 KB 256 KB
Operating Temperature -40C to +85C (industrial) -40C to +125C (automotive) -40C to +125C (automotive) -40C to +85C (industrial) -40C to +85C (industrial) -40C to +85C (industrial)
USB 2.0 FS Interface Yes (on-chip PHY) Yes Yes Yes Yes Yes
Extended Flash Performance (EFP) Yes Yes Yes No Yes No

주요 차별점

  • 120 MHz Cortex-M4F with hardware FPU vs Cortex-M0+ alternatives (vs ATSAMD21J18A-MFT)
  • 256 KB dual-panel Flash with ECC vs single-panel without ECC on lower-tier parts (vs ATSAMD20J18A-MNT)
  • On-chip USB 2.0 Full-Speed PHY eliminates external transceiver (vs PIC16F747-E/ML)
  • Extended Flash Performance (EFP) vs standard flash endurance (vs ATSAMD51J18A-MU)

설계 노트

The ATSAMD51J18A-MUT-EFP requires a 1uF + 100nF decoupling capacitor network on both VDDIN and VDDIO rails, placed within 3 mm of the pins per the SAM D5X/E5X family datasheet. The on-chip voltage regulator generates the internal 1.2V core voltage; do not back-drive VDDIO from external regulators. For USB bus-powered applications, add a 4.7uF bulk capacitor on VBUS to handle inrush current during USB enumeration.

The VQFN-64 (9x9 mm) package has an exposed thermal pad (EP) that must be soldered to a ground pour of at least 6x6 mm to achieve the datasheet thermal resistance. Without proper EP soldering, junction temperature can rise 15-20C above spec under sustained 120 MHz load with all peripherals active, potentially triggering thermal shutdown at high ambient temperatures.

Route the USB DP/DM differential pair with 90 ohm impedance, length-matched within 2 mm, and keep them away from switching signals. Place the 27 ohm series termination resistors near the MCU pins, not near the USB connector, to suppress reflections. Maintain a continuous ground reference plane beneath the USB traces to control differential impedance and EMI.

Do not apply 5V signals to any GPIO pin when VDDIO is 3.3V; the absolute maximum GPIO voltage is VDDIO + 0.3V. For 5V system compatibility, use level shifters on I2C/SPI/UART lines. Also, the NRST pin is active-low and requires an open-drain or push-pull reset circuit; a floating NRST can cause intermittent boot failures in noisy environments.

When using the high-speed SERCOM peripherals at maximum baud rates (e.g., SPI at 24 MHz), add 22-33 ohm series termination resistors at the driver output to dampen reflections on long traces. For I2S audio interfaces, route SCK, FS, and SDO traces as a matched-length group with ground reference to maintain audio sample timing integrity.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS, REACH, lead-free, and halogen-free compliance confirmed by EFP suffix per Microchip ordering code conventions. The -AUT variant is AEC-Q100 qualified for automotive; the standard MUT variant is not AEC-Q100.

데이터 검증일: 2026-09-21 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

ATSAMD51J18A-MUT-EFP ATSAMD51J18A-MUT-EFP datasheet Microchip SAMD51 Cortex-M4F microcontroller 120 MHz ARM Cortex-M4F MCU 256 KB Flash USB VQFN-64 9x9 mm microcontroller SAMD51 USB HID development board ATSAMD51J18A-MUT-EFP vs ATSAMD51G18A-MUT-EFP ATSAMD51J18A-MUT-EFP drop-in replacement ATSAMD51J18A-MUT-EFP buy price stock how to program ATSAMD51J18A-MUT-EFP SAMD51 pinout VQFN-64 Cortex-M4F FPU motor control MCU

관련 부품 & 용어

Microchip Technology ATSAMD51J18A-MUT-EFP ATSAMD51J18A-AUT-EFP ATSAMD51J18A-AU-EFP ATSAMD51J18A-MU ATSAMD51G18A-MUT-EFP ATSAMD51G18A-MFT ARM Cortex-M4F Floating Point Unit (FPU) microcontroller MCU 32-bit microcontroller embedded systems VQFN-64 VQFN package family surface mount device (SMD) USB 2.0 Full-Speed RoHS REACH lead-free halogen-free AEC-Q100 SERCOM I2S Flash memory with ECC SRAM ARM Cortex-M architecture MPLAB Harmony 3 MPLAB X IDE
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