ATSAMD51J18A-MUT-EFP - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
MPN: ATSAMD51J18A-MUT-EFP ✓ Hoạt độngATSAMD51J18A-MUT-EFP Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho ATSAMD51J18A-MUT-EFP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAMD51J18A-MUT-EFP (cùng hình factor và footprint) — khác nhau ở Package, DAC, Operating Temperature, SRAM, ADC.
ATSAMD51J18A-AUT-EFP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J18A-AU-EFP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J18A-MU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51G18A-MUT-EFP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51G18A-MFT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J18A-MUT-EFP Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4F with FPU |
| Tần số xung maksimum | 120 MHz |
| Program Memory (Flash) | 256 KB with ECC |
| Data Memory (SRAM) | 128 KB |
| Operating Voltage Range | 1.71 V to 3.63 V |
| Khoảng nhiệt độ hoạt động | -40C to +85C |
| Hộp | VQFN-64 (9x9 mm) with EP |
| Kiểu lắp đặt | Surface Mount |
| USB Interface | USB 2.0 Full-Speed with on-chip PHY |
| Communication Peripherals | SERCOM (UART/SPI/I2C), I2S, CAN-FD |
| Trạng thái RoHS | Compliant |
| Lead-Free / Halogen-Free | Yes (per EFP suffix) |
| Extended Flash Performance | Yes (EFP suffix) |
| Packaging | Tape and Reel |
Cấu hình chân ATSAMD51J18A-MUT-EFP
| Chân 1 | PA00 — Port A GPIO / SERCOM1 pad 0 |
| Chân 2 | PA01 — Port A GPIO / SERCOM1 pad 1 |
| Chân 3 | PA02 — Port A GPIO / SERCOM1 pad 2 (AIN0) |
| Chân 4 | PA03 — Port A GPIO / SERCOM1 pad 3 (AIN1, VREFA) |
| Chân 5 | PA04 — Port A GPIO / SERCOM0 pad 0 (AIN2) |
| Chân 6 | PA05 — Port A GPIO / SERCOM0 pad 1 (AIN3) |
| Chân 7 | PA06 — Port A GPIO / SERCOM0 pad 2 (AIN4) |
| Chân 8 | PA07 — Port A GPIO / SERCOM0 pad 3 (AIN5) |
| Chân 9 | VDDIO — Digital I/O supply voltage |
| Chân 10 | GND — Ground |
| Chân 11 | PA08 — Port A GPIO / SERCOM2 pad 0 (NMI) |
| Chân 12 | PA09 — Port A GPIO / SERCOM2 pad 1 |
| Chân 13 | PA10 — Port A GPIO / SERCOM2 pad 2 |
| Chân 14 | PA11 — Port A GPIO / SERCOM2 pad 3 |
| Chân 15 | PA12 — Port A GPIO / SERCOM3 pad 0 (URT0) |
| Chân 16 | PA13 — Port A GPIO / SERCOM3 pad 1 (URT1) |
| Chân 17 | PA14 — Port A GPIO / SERCOM3 pad 2 |
| Chân 18 | PA15 — Port A GPIO / SERCOM3 pad 3 |
| Chân 19 | PA16 — Port A GPIO / SERCOM1 pad 0 (I2S SCK) |
| Chân 20 | PA17 — Port A GPIO / SERCOM1 pad 1 (I2S FS) |
| Chân 21 | PA18 — Port A GPIO / SERCOM1 pad 2 (I2S SDO) |
| Chân 22 | PA19 — Port A GPIO / SERCOM1 pad 3 (I2S SDI) |
| Chân 23 | PA20 — Port A GPIO / SERCOM5 pad 2 (I2C SDA) |
| Chân 24 | PA21 — Port A GPIO / SERCOM5 pad 3 (I2C SCL) |
| Chân 25 | PA22 — Port A GPIO / SERCOM3 pad 0 (USB D-) |
| Chân 26 | PA23 — Port A GPIO / SERCOM3 pad 1 (USB D+) |
| Chân 27 | PA24 — Port A GPIO / USB SOF |
| Chân 28 | PA25 — Port A GPIO / USB VBUS |
| Chân 29 | VDDIN — Main voltage regulator input |
| Chân 30 | GND — Ground |
| Chân 31 | PB00 — Port B GPIO / AIN8 |
| Chân 32 | PB01 — Port B GPIO / AIN9 |
| Chân 33 | PB02 — Port B GPIO / SERCOM5 pad 0 (AIN10) |
| Chân 34 | PB03 — Port B GPIO / SERCOM5 pad 1 (AIN11) |
| Chân 35 | PB04 — Port B GPIO / SERCOM4 pad 0 |
| Chân 36 | PB05 — Port B GPIO / SERCOM4 pad 1 |
| Chân 37 | PB06 — Port B GPIO / SERCOM4 pad 2 |
| Chân 38 | PB07 — Port B GPIO / SERCOM4 pad 3 |
| Chân 39 | PB08 — Port B GPIO / SERCOM4 pad 0 (TC4) |
| Chân 40 | PB09 — Port B GPIO / SERCOM4 pad 1 (TC5) |
| Chân 41 | PB10 — Port B GPIO / SERCOM4 pad 2 |
| Chân 42 | PB11 — Port B GPIO / SERCOM4 pad 3 |
| Chân 43 | PB12 — Port B GPIO / TCC0 WO0 |
| Chân 44 | PB13 — Port B GPIO / TCC0 WO1 |
| Chân 45 | PB14 — Port B GPIO / TCC0 WO2 |
| Chân 46 | PB15 — Port B GPIO / TCC0 WO3 |
| Chân 47 | PB16 — Port B GPIO / TCC0 WO4 |
| Chân 48 | PB17 — Port B GPIO / TCC0 WO5 |
| Chân 49 | PB18 — Port B GPIO / TCC0 WO6 |
| Chân 50 | PB19 — Port B GPIO / TCC0 WO7 |
| Chân 51 | PB20 — Port B GPIO |
| Chân 52 | PB21 — Port B GPIO |
| Chân 53 | PB22 — Port B GPIO |
| Chân 54 | PB23 — Port B GPIO |
| Chân 55 | PB24 — Port B GPIO |
| Chân 56 | PB25 — Port B GPIO |
| Chân 57 | PB26 — Port B GPIO |
| Chân 58 | PB27 — Port B GPIO |
| Chân 59 | PB28 — Port B GPIO |
| Chân 60 | PB29 — Port B GPIO |
| Chân 61 | PB30 — Port B GPIO |
| Chân 62 | PB31 — Port B GPIO |
| Chân 63 | RESETn — Active-low reset input |
| Chân 64 | VDDIO — Digital I/O supply voltage |
Ứng dụng tiêu biểu
ATSAMD51J18A-MUT-EFP phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAMD51J18A-MUT-EFP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- 120 MHz Cortex-M4F with hardware FPU vs Cortex-M0+ alternatives (vsATSAMD21J18A-MFT)
- 256 KB dual-panel Flash with ECC vs single-panel without ECC on lower-tier parts (vsATSAMD20J18A-MNT)
- On-chip USB 2.0 Full-Speed PHY eliminates external transceiver (vsPIC16F747-E/ML)
- Extended Flash Performance (EFP) vs standard flash endurance (vsATSAMD51J18A-MU)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
