ATSAMD51N20A-AUT-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
부품 번호: ATSAMD51N20A-AUT-EFP ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $9.84 | $9.84 |
| 10 | $8.96 | $89.60 |
| 100 | $8.07 | $807.00 |
| 500 | $7.21 | $3,605.00 |
| 1,000 | $6.43 | $6,430.00 |
ATSAMD51N20A-AUT-EFP 개요
An MCU (Microcontroller Unit) is a single-chip computer integrating CPU core, program memory (Flash), data memory (SRAM), and peripheral interfaces on one die. Microcontrollers sit within the embedded computing hierarchy as: MCU -> embedded processor -> semiconductor device. The Cortex-M4F class specifically targets digital signal control with hardware floating point, allowing deterministic real-time performance with DSP extensions.
Key features of the ATSAMD51N20A-AUT-EFP include 120 MHz core clock with FPU, 1 MB dual-panel Flash with ECC, 256 KB SRAM with ECC, a 12-bit 1 MSPS ADC, two 12-bit DACs, and a high-speed USB 2.0 Full-Speed device/host port. The part supports -40C to +85C industrial temperature range (AUT suffix) and offers low-power Sleep/Standby modes with RTC retention. The "EFP" suffix denotes Extended Flash Performance tuning, and the "T" denotes Tape and Reel packaging.
Architecture-wise, the SAM D51 family uses a Harvard bus structure with separate code and data paths to the Flash and SRAM, allowing zero-wait-state execution at 120 MHz. The dual-panel Flash supports simultaneous read-while-write operations, enabling field firmware updates without halting application code. The Cortex-M4F DSP extensions and single-precision FPU accelerate control-loop math and signal processing.
Typical applications include industrial IoT gateways, USB audio interfaces, motor control (FOC), smart energy metering, and human-machine interface (HMI) panels. The combination of high-speed USB, large Flash, and DSP-capable core is well matched to audio processing, sensor fusion, and connected industrial nodes.
When designing, ensure the 32.768 kHz crystal placement follows the Microchip SAM D51 reference design to maintain USB jitter compliance. Decouple VDDIO and VDDCORE with bulk + 100 nF + 1 nF ceramic capacitors placed within 2 mm of the package pins.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found on the manufacturer summary page.
드롭인 대체품: ATSAMD51N20A-AUT-EFP — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATSAMD51N20A-AUT-EFP (동일 폼 팩터 및 풋프린트) — 차이점: ADC, DAC, Operating Temperature, USB, SRAM.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATSAMD51N20A-AU-EFP
✅ 드롭인✓ 재고 있음
$9.42 / 개
데이터시트 보기 →ATSAMD51N20A-AFT
✅ 드롭인✓ 재고 있음
$8.8 / 개
데이터시트 보기 →ATSAMD51N20A-AUT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMD51N19A-AUT-EFP
✅ 드롭인✓ 재고 있음
$3.65 / 개
데이터시트 보기 →ATSAMD51N20A-AF
✅ 드롭인✓ 재고 있음
$6.84 / 개
데이터시트 보기 →ATSAME51N20A-AUT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ATSAMD51N20A-AUT-EFP 최대 정격 & 전기적 특성
| Core Architecture | ARM Cortex-M4F with FPU |
| Maximum Core Frequency | 120 MHz |
| Bit Width | 32-bit |
| Program Memory (Flash) | 1 MB (1M x 8) with ECC |
| SRAM | 256 KB with ECC |
| 패키지 | 100-pin TQFP (14x14 mm) |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (AUT suffix) |
| USB Interface | USB 2.0 Full-Speed, Device and Host |
| ADC | 12-bit, 1 MSPS |
| DAC | 2 x 12-bit |
| RoHS 상태 | Compliant |
| Special Feature | EFP - Extended Flash Performance |
ATSAMD51N20A-AUT-EFP 100-pin tqfp (14x14 mm) 핀 구성 가이드
ATSAMD51N20A-AUT-EFP(100-pin 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: ATSAMD51N20A-AUT-EFP.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ATSAMD51N20A-AUT-EFP 적합 용도: 6 애플리케이션s: Industrial IoT Gateway, USB Audio Interface, Motor Control (FOC and Trapezoidal), Smart Energy Metering, Human-Machine Interface (HMI) Panel, Wearable Sensor Hub.
Industrial IoT Gateway
The ATSAMD51N20A-AUT-EFP fits industrial IoT gateway applications because of its 120 MHz Cortex-M4F core with FPU that handles protocol conversion (Modbus, CAN, MQTT-SN), 1 MB dual-panel Flash supporting over-the-air (OTA) firmware updates with simultaneous read-while-write, and 256 KB SRAM buffering sensor telemetry streams. The high-speed USB 2.0 Full-Speed device/host port simplifies wired connectivity to upstream PLCs or downstream sensors, and SERCOM peripherals map to UART/SPI/I2C for sensor and modem links. Its -40C to +85C industrial temperature range (AUT) tolerates factory-floor ambient conditions. Power-conscious designs leverage the Sleep and Standby modes with RTC retention to reduce gateway current to under 10 uA between telemetry bursts.
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USB Audio Interface
The ATSAMD51N20A-AUT-EFP is well suited for USB audio interface applications because its Cortex-M4F DSP extensions and single-precision FPU deliver real-time audio DSP (EQ, dynamics, mixing) without taxing the core. The integrated USB 2.0 Full-Speed device interface streams 48 kHz / 16-bit stereo audio with low jitter, while dual 12-bit DACs and the I2S peripheral connect to external audio CODECs for higher fidelity playback. The 1 MB dual-panel Flash supports USB host stack plus audio firmware with headroom for upgrade. According to Microchip SAM D51 reference designs, the part can also act as USB host to read audio files from mass-storage devices, enabling stand-alone player products.
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Motor Control (FOC and Trapezoidal)
The ATSAMD51N20A-AUT-EFP handles three-phase brushless DC motor control with Field-Oriented Control (FOC) because its Cortex-M4F DSP extensions and hardware FPU accelerate Park/Clarke transforms, PI loops, and SVM calculation within a typical 10 kHz control period. The 12-bit 1 MSPS ADC samples phase currents with synchronized PWM from the TCC timer peripherals, providing deterministic control timing. The 1 MB Flash stores application code, motor parameter tables, and fault handlers, while 256 KB SRAM holds control variables. The -40C to +85C operating range and on-chip analog comparator support robust industrial motor drives up to several kW.
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Smart Energy Metering
The ATSAMD51N20A-AUT-EFP supports smart energy metering applications because its 12-bit 1 MSPS ADC with up to 16 analog channels captures voltage and current waveforms from the mains side, and the Cortex-M4F DSP extensions compute real-time RMS, harmonic distortion (THD), and reactive power algorithms. The 1 MB dual-panel Flash with ECC supports calibrated metrology firmware plus communication stack (DLMS/COSEM, M-Bus) with secure OTA updates enabled by read-while-write. Hardware cryptographic accelerators and True Random Number Generator (TRNG) enable tamper-resistant designs. The -40C to +85C temperature range ensures accurate measurement across outdoor meter enclosures in varied climates.
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Human-Machine Interface (HMI) Panel
The ATSAMD51N20A-AUT-EFP drives HMI panel applications because its 120 MHz core with FPU renders graphics and updates TFT-LCD panels smoothly via the integrated parallel display interface, while the QSPI peripheral fetches assets from external Flash at high speed. The dual 12-bit DACs generate audio feedback and reference voltages for touch sensing, and 8 SERCOM channels support UART to PLCs, SPI to displays, and I2C to capacitive touch controllers. The 1 MB Flash hosts LVGL/MODBUS UI stacks, while the 256 KB SRAM supports frame buffers. The -40C to +85C range and EMC-resilient peripherals suit industrial cabinet environments.
추천
Wearable Sensor Hub
The ATSAMD51N20A-AUT-EFP fits wearable sensor hub applications because the Cortex-M4F with FPU runs sensor fusion (IMU, magnetometer, barometer) and on-device machine learning inference (e.g., gesture recognition) with sub-10 ms latency, while Sleep and Standby modes with RTC retention bring idle current to single-digit uA. The 1 MB dual-panel Flash stores inference models and BLE stack, and 256 KB SRAM holds ring buffers for motion data. The integrated USB enables charging and firmware update over a single connector, simplifying mechanical design. The compact 100-pin TQFP fits wrist-worn enclosures; for tighter spaces the ATSAMD51J series offers smaller package footprints at reduced I/O.
추천
추천 제품 요약
엔지니어링 참조 데이터: ATSAMD51N20A-AUT-EFP — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATSAMD51N20A-AU-EFP | ATSAMD51N20A-AFT | ATSAMD51N20A-AUT | ATSAMD51N19A-AUT-EFP | ATSAMD51N20A-AF | ATSAME51N20A-AUT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (14x14) | 100-pin TQFP (14x14) - same | 100-pin TQFP (14x14) - same | 100-pin TQFP (14x14) - same | 100-pin TQFP (14x14) - same | 100-pin TQFP (14x14) - same | 100-pin TQFP (14x14) - same |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 768 KB (-25%) | 1 MB | 1 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| USB | FS Device + Host | FS Device + Host | FS Device + Host | FS Device + Host | FS Device + Host | FS Device + Host | No USB |
| EFP Feature | Yes | Yes | No (AFT suffix) | No | Yes | No (AF suffix) | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
주요 차별점
- Extended Flash Performance tuning for 120 MHz zero-wait-state (vs ATSAMD51N20A-AUT)
- 1 MB Flash vs 768 KB on pin-compatible N19A variant (vs ATSAMD51N19A-AUT-EFP)
- Integrated USB 2.0 FS device/host not present on E51 (vs ATSAME51N20A-AUT)
설계 노트
The ATSAMD51N20A-AUT-EFP integrates a 1.2V internal core LDO fed from the VDDCORE pin. Recommended: place a 1 uF X7R ceramic capacitor within 2 mm of the VDDCORE pin, plus a 100 nF in parallel. For VDDBU (RTC supply), connect to VDDIO if battery backup is not used, or to a coin cell through a Schottky diode for RTC retention in Sleep modes.
Follow Microchip SAM D51 reference design for USB layout: route D+/D- as a 90-ohm differential pair with continuous ground reference, length-matched within 150 mil. Place the 48 MHz crystal within 5 mm of XIN/XOUT pins with guard traces around the oscillator area to reduce EMI coupling. Add a ferrite bead on VBUS to suppress conducted emissions.
Estimated: at 120 MHz active mode with all peripherals enabled, the SAM D51 typically dissipates approximately 60-90 mW. The 100-pin TQFP-14x14 mm has theta_JA around 45 C/W, so junction rise is roughly 4C above ambient at typical load - well within the 85C industrial limit. If peripheral activity is heavy (USB, ADC continuous), add thermal copper pour beneath the exposed pad region.
Do not skip the NVMCTRL row-write lock bits configuration in firmware; leaving defaults can prevent dual-panel Flash read-while-write operation. Ensure BOOTPROT fuse is set appropriately for secure bootloader designs. The EFP (Extended Flash Performance) suffix parts require the latest ASF/MPLAB Harmony core files for correct wait-state configuration at 120 MHz - older ASF may underperform.
규정 준수 정보
RoHS and lead-free per Microchip product page; AUT suffix denotes industrial -40C to +85C operating range. Not AEC-Q100 qualified; for AEC-Q100 automotive use, refer to Microchip's automotive-grade SAM products.
