ATSAMD51P19A-AU-EFP - 120MHz Cortex-M4F MCU 512KB Flash TQFP-128
부품 번호: ATSAMD51P19A-AU-EFP ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $9.45 | $9.45 |
| 10 | $8.78 | $87.80 |
| 100 | $7.42 | $742.00 |
| 500 | $6.55 | $3,275.00 |
| 1,000 | $5.88 | $5,880.00 |
ATSAMD51P19A-AU-EFP 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and a mix of peripherals such as timers, ADC/DAC, communication interfaces (UART, SPI, I2C, USB, CAN, Ethernet), and GPIO into one package. MCUs are the lowest tier of the embedded processor hierarchy (MCU -> microprocessor -> SoC), and the Cortex-M4F class specifically targets deterministic real-time control with hardware floating-point and DSP extensions. The SAM D51 family sits at the high end of Microchip's Cortex-M4F portfolio, above the SAM D21 and SAM D11 families, and offers substantially more memory, peripherals, and connectivity than lower-tier parts.
Key features of the ATSAMD51P19A-AU-EFP include: ARM Cortex-M4F core with single-precision FPU and DSP extensions, 120 MHz max CPU clock, 512 KB Flash with ECC (Extended Flash Performance variant), 192 KB SRAM, full-speed USB 2.0 with integrated PHY, up to 6 SERCOM serial communication interfaces, 12-bit ADC and DAC, and a 128-pin TQFP footprint. The EFP suffix indicates the Extended Flash Performance temperature/operating profile.
Technically, the SAM D51 architecture uses a 4-layer AHB bus matrix for parallel peripheral DMA, a low-power sleepwalking peripheral event system, and an Event System for inter-peripheral signaling without CPU intervention. The integrated USB 2.0 Full-Speed PHY eliminates external components for USB-device applications, while the 12-bit 1 MSPS ADC enables precision mixed-signal sensing.
Typical applications include industrial IoT edge nodes, USB human-interface devices (HID), motor control (BLDC and FOC), graphical HMI with TFT displays, audio processing with USB streaming, smart energy metering, and wearable medical/fitness devices. The wide peripheral set also suits home automation gateways and connected sensor hubs.
Designers should ensure the PCB provides adequate 3.3V decoupling (100 nF + bulk) near each power pin, route the USB DP/DM pair as a 90-ohm differential, and respect the 128-pin TQFP land pattern. Programming is supported through Microchip's MPLAB X IDE and Atmel Studio, with debug via SWD or JTAG.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the ATSAMD51P19A-AU-EFP for new designs and replacements.
드롭인 대체품: ATSAMD51P19A-AU-EFP — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATSAMD51P19A-AU-EFP (동일 폼 팩터 및 풋프린트) — 차이점: Operating Temperature, ADC, SRAM, Package, USB.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATSAMD51P19A-AUT-EFP
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMD51P19A-AU
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMD51P19A-AUT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMD51P19A-AFT
✅ 드롭인✓ 재고 있음
$6.18 / 개
데이터시트 보기 →ATSAMD51N20A-AU
✅ 드롭인✓ 재고 있음
$8.49 / 개
데이터시트 보기 →ATSAMD51N19A-AUT-EFP
✅ 드롭인✓ 재고 있음
$3.65 / 개
데이터시트 보기 →ATSAMD51P19A-AU-EFP 최대 정격 & 전기적 특성
| Core Processor | ARM Cortex-M4F |
| Core Size | 32-bit |
| Maximum CPU Clock | 120 MHz |
| FPU | Yes (single-precision) |
| DSP Extensions | Yes |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC |
| RAM Size | 192 KB |
| 동작 온도 | -40C to +85C |
| 패키지 | 128-TQFP (14x14 mm) |
| 실장 유형 | Surface Mount |
| USB | USB 2.0 Full-Speed with integrated PHY |
| RoHS 상태 | Compliant |
| Programming/Debug | SWD, JTAG |
| Lead-Free | Yes |
ATSAMD51P19A-AU-EFP 128-tqfp (14x14 mm) 핀 구성 가이드
ATSAMD51P19A-AU-EFP(128-tqfp (14x14 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: ATSAMD51P19A-AU-EFP.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ATSAMD51P19A-AU-EFP 적합 용도: 7 애플리케이션s: Industrial IoT Edge Node, USB Human Interface Device (HID), Motor Control (BLDC / FOC), Graphical HMI with TFT Display, Audio Processing with USB Streaming, Smart Energy Metering, Wearable Medical / Fitness Device.
Industrial IoT Edge Node
The ATSAMD51P19A-AU-EFP's 120 MHz Cortex-M4F core, 192 KB SRAM, and ECC-protected 512 KB Flash make it a strong fit for industrial IoT edge nodes aggregating sensor data. Its hardware FPU accelerates edge analytics such as FFT-based vibration analysis and threshold detection, while the -40C to +85C industrial temperature range supports factory-floor deployment. The integrated USB 2.0 Full-Speed PHY enables direct connection to industrial gateways without external components. Place the MCU between the sensor I/O chain and the upstream network processor; decoupling requires 100 nF X7R near each VDD pin plus 10 uF bulk, and the SERCOM interfaces can be software-configured as I2C for sensor hubs or SPI for high-speed ADCs.
추천
USB Human Interface Device (HID)
With its integrated USB 2.0 Full-Speed PHY and 120 MHz Cortex-M4F core, the ATSAMD51P19A-AU-EFP is well-suited for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The 192 KB SRAM comfortably accommodates USB descriptor stacks plus HID report buffers. The integrated PHY eliminates external USB transceivers, reducing BOM cost by $0.30-0.50 compared to MCUs requiring external USB. Route the DP/DM pair as a 90-ohm differential with controlled impedance, and use the SERCOM interfaces for button matrices or capacitive touch scanning upstream of the HID reports.
추천
Motor Control (BLDC / FOC)
The ATSAMD51P19A-AU-EFP's hardware FPU, 120 MHz clock, and rich timer/PWM peripheral set make it suitable for sensorless BLDC and field-oriented control (FOC) of small to mid-size motors. The Cortex-M4F executes FOC loops within microseconds, while the integrated 12-bit ADC enables back-EMF sensing and current measurement. The 512 KB Flash accommodates full motor-control firmware including state machines, ramp tables, and protection logic. Place shunt resistors on the low-side of each phase leg and connect ADC channels accordingly; the SERCOM interfaces handle encoder feedback or UART-to-host diagnostics, reducing external component count.
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Graphical HMI with TFT Display
Driving small TFT displays for HMI requires an MCU with sufficient RAM for framebuffers and a fast core for graphics rendering; the ATSAMD51P19A-AU-EFP delivers both. Its 192 KB SRAM holds partial framebuffers for 320x240 RGB565 displays, and the 120 MHz Cortex-M4F handles redraws and widget rendering. The integrated USB Full-Speed supports touch-panel data and host commands, while SERCOM interfaces connect to SPI flash for asset images. Use the EBI interface (where available in this family) to offload TFT data lines; configure DMA channels to reduce CPU load during screen updates.
추천
Audio Processing with USB Streaming
The ATSAMD51P19A-AU-EFP's Cortex-M4F DSP extensions and 192 KB SRAM make it suitable for USB audio streaming applications such as USB headphones, microphones, and audio interfaces at 48 kHz/24-bit. The integrated USB Full-Speed PHY supports USB Audio Class 1.0 without external components. Hardware DSP enables on-the-fly filtering, mixing, and dynamic-range control with negligible CPU overhead. Allocate ~64 KB of SRAM for double-buffered audio I/O; route I2S to external codec via SERCOM in I2S mode, and use the 12-bit DAC for direct headphone amplification in cost-sensitive designs.
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Smart Energy Metering
For smart electricity, gas, or water metering, the ATSAMD51P19A-AU-EFP's Cortex-M4F core enables accurate energy calculation algorithms while its ECC-protected Flash supports secure firmware updates. The 12-bit ADC samples current/voltage with sufficient resolution for class-1 metering accuracy, and the integrated USB PHY supports local configuration interfaces. The wide operating temperature and industrial-grade qualification suit outdoor meter enclosures. Use DMA-driven ADC sampling to offload computation, and route calibration data to the 512 KB Flash's EEPROM emulation region; the SERCOM interfaces handle Modbus, M-Bus, or wireless module connectivity.
추천
Wearable Medical / Fitness Device
The ATSAMD51P19A-AU-EFP's low-power sleep modes and hardware FOC support biometric signal processing in wearable medical and fitness devices. The integrated USB Full-Speed PHY enables charging-crate data sync without external components, and the 192 KB SRAM accommodates biosignal buffers for ECG, PPG, or motion data. The Cortex-M4F DSP extensions accelerate FFT-based heart-rate variability analysis. Configure the Event System to wake the CPU from sleep on sensor interrupts, minimizing average power consumption; route analog sensor outputs to the 12-bit ADC for direct digitization, and use SERCOM interfaces for BLE module connectivity.
추천
추천 제품 요약
엔지니어링 참조 데이터: ATSAMD51P19A-AU-EFP — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATSAMD51P19A-AUT-EFP | ATSAMD51P19A-AU | ATSAMD51N20A-AU | ATSAMD51N19A-AUT-EFP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 128-TQFP (14x14 mm) | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same | 128-TQFP (14x14 mm) - same |
| Flash Memory | 512 KB with ECC | 512 KB with ECC | 512 KB with ECC | 1 MB with ECC | 1 MB with ECC |
| SRAM Size | 192 KB | 192 KB | 192 KB | 256 KB | 256 KB |
| Core / Clock | Cortex-M4F / 120 MHz | Cortex-M4F / 120 MHz | Cortex-M4F / 120 MHz | Cortex-M4F / 120 MHz | Cortex-M4F / 120 MHz |
| EFP Suffix | Yes (Extended Flash Performance) | Yes | No | No | Yes |
| Packaging Format | Tray (AU) | Tape & Reel (AUT) | Tray (AU) | Tray (AU) | Tape & Reel (AUT) |
| Pin Count | 128 | 128 | 128 | 128 | 128 |
| USB PHY | Integrated Full-Speed | Integrated Full-Speed | Integrated Full-Speed | Integrated Full-Speed + HS | Integrated Full-Speed + HS |
주요 차별점
- Extended Flash Performance (EFP) variant (vs ATSAMD51P19A-AU (non-EFP))
- Drop-in scalability to 1 MB Flash / 256 KB SRAM (vs ATSAMD51P19A-AU (same Flash density))
- Integrated USB 2.0 Full-Speed PHY (vs Other Cortex-M4F MCUs requiring external USB PHY)
설계 노트
Decouple each VDD pin with a 100 nF X7R ceramic placed within 3 mm of the pin, and add a single 10 uF bulk capacitor on each power rail (VDD, VDDIO, VDDCORE). According to the SAM D51 datasheet, VDDCORE requires an additional 1 uF decoupling capacitor. Bulk capacitors should be low-ESR ceramic types; tantalum is generally avoided for VDDCORE due to high transient currents.
The 128-TQFP package has 0.4 mm pitch and 14x14 mm body. Follow Microchip's recommended land pattern with solder mask-defined (SMD) pads to reduce solder bridging. Route the USB DP/DM pair as a 90-ohm differential with matched length to within 150 mils; place the common-mode choke and ESD protection array within 10 mm of the connector. If the device has an exposed thermal pad, solder it to a continuous ground pour for thermal dissipation.
Three common pitfalls: (1) Forgetting to configure the NVMCTRL peripheral for ECC before writing to Flash can lead to silent corruption; (2) USB VBUS sense must be enabled in the SYSCTRL to detect attach/detach reliably; (3) The GCLK generators must be configured before SERCOM peripherals to avoid peripheral startup failures. Always use Microchip's MPLAB Harmony configurator to set clock and peripheral trees to avoid these traps.
규정 준수 정보
RoHS compliant per Microchip product page; lead-free TQFP package. AEC-Q100 not qualified - for automotive applications consider SAM RH71 or SAM V71 families. Halogen-free status not explicitly stated in provided data.