ATSAMD51N20A-AU-EFP - 120MHz Cortex-M4F 1MB MCU | Microchip
N.º da peça: ATSAMD51N20A-AU-EFP ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $13.24 | $13,24 |
| 10 | $12.18 | $121,80 |
| 100 | $11.07 | $1.107,00 |
| 500 | $10.21 | $5.105,00 |
| 1.000 | $9.42 | $9.420,00 |
ATSAMD51N20A-AU-EFP Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The ATSAMD51N20A-AU-EFP fits in the hierarchy of: ARM Cortex-M4F -> Cortex-M4 family -> ARM Cortex-M -> 32-bit microcontroller -> microcontroller -> integrated circuit -> semiconductor. The "EFP" suffix indicates Extended Flash Performance, improving Flash access timing over the standard -AU grade.
Key features include 120 MHz Cortex-M4F core with FPU and DSP extensions, 1 MB dual-panel Flash with ECC, 256 KB SRAM with ECC, a high-speed USB 2.0 Full-Speed device/host interface, SD/MMC host, CAN-FD, I2S, multiple SERCOM, ADC, DAC, and PTC (Peripheral Touch Controller). The device supports 1.71-3.6 V supply operation and offers low-power Sleep, Standby, and Backup modes.
The architecture pairs a Cortex-M4F core with a 6-channel Event System, DMA, and a rich analog front end (dual 12-bit ADC up to 1 Msps, 12-bit DAC, analog comparators). This combination delivers deterministic real-time response for motor control, digital power, and sensor-fusion workloads while running FreeRTOS, Micrium OS, or ASF firmware frameworks natively.
Typical applications include IoT edge nodes with USB connectivity, industrial HMI panels, automotive body and infotainment subsystems, USB Type-C power-delivery controllers, audio playback peripherals, and motor-control reference designs. The TQFP-100 footprint simplifies prototyping and hand-rework versus BGA equivalents.
When designing with this device, ensure the supply decoupling network follows the SAM D51 hardware reference manual: at least one 100 nF X7R placed within 5 mm of each VDD pin, plus a 4.7 uF bulk capacitor at the VDDIO rail. The 100-pin TQFP has limited thermal dissipation - for sustained 120 MHz operation, populate the exposed pad with at least 1 cm2 of copper pour to ground.
This datasheet synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes - all anchored to Microchip's SAM D5X/E5X family datasheet - to provide context the manufacturer PDF does not.
Alternativas drop-in para ATSAMD51N20A-AU-EFP — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAMD51N20A-AU-EFP (mesmo formato e footprint) — diferindo em Operating Temperature, ADC, SRAM, DAC, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAMD51N20A-AU
✅ Drop-In✓ Em estoque
$8.49 / unidade
Ver ficha técnica →ATSAMD51N20A-AUT-EFP
✅ Drop-In✓ Em estoque
$6.43 / unidade
Ver ficha técnica →ATSAMD51N20A-AFT
✅ Drop-In✓ Em estoque
$8.8 / unidade
Ver ficha técnica →ATSAMD51N19A-AUT-EFP
✅ Drop-In✓ Em estoque
$3.65 / unidade
Ver ficha técnica →ATSAME51N20A-AU
✅ Drop-In✓ Em estoque
$8.97 / unidade
Ver ficha técnica →ATSAME51N20A-AUT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAMD51N20A-AU-EFP Classificações máximas e características elétricas
| Core | ARM Cortex-M4F with FPU and DSP |
| Frequência máxima de clock | 120 MHz |
| Flash Memory | 1 MB dual-panel Flash with ECC |
| SRAM | 256 KB with ECC |
| Operating Voltage | 1.71 V to 3.6 V |
| Encapsulamento | 100-pin TQFP (14x14 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40 C to +85 C |
| USB | USB 2.0 Full-Speed device and host |
| ADC | Dual 12-bit ADC up to 1 Msps |
| DAC | 12-bit DAC |
| PTC | Peripheral Touch Controller |
| Communication Interfaces | SERCOM (UART/SPI/I2C), CAN-FD, I2S, SD/MMC |
| DMA | 24 channels |
| Event System | 6 channels |
| Grade | Extended Flash Performance (EFP) |
| Status RoHS | Compliant |
Configuração de pinos do ATSAMD51N20A-AU-EFP
| Pino 1 | PA00 — GPIO / XIN32 |
| Pino 2 | PA01 — GPIO / XOUT32 |
| Pino 3 | PA02 — GPIO / AIN0 / VREFA |
| Pino 4 | PA03 — GPIO / AIN1 / VREFB |
| Pino 5 | GND — Ground |
| Pino 6 | VDDIO — I/O supply (1.71-3.6 V) |
| Pino 7 | PA04 — GPIO / AIN2 |
| Pino 8 | PA05 — GPIO / AIN3 |
| Pino 9 | PA06 — GPIO / AIN4 |
| Pino 10 | PA07 — GPIO / AIN5 |
| Pino 11 | PA08 — GPIO / AIN6 / SERCOM0 PAD0 |
| Pino 12 | PA09 — GPIO / AIN7 / SERCOM0 PAD1 |
| Pino 13 | PA10 — GPIO / SERCOM0 PAD2 |
| Pino 14 | PA11 — GPIO / SERCOM0 PAD3 |
| Pino 15 | VDDIO — I/O supply |
| Pino 16 | GND — Ground |
| Pino 17 | PA12 — GPIO / SERCOM1 PAD0 |
| Pino 18 | PA13 — GPIO / SERCOM1 PAD1 |
| Pino 19 | PA14 — GPIO / SERCOM1 PAD2 |
| Pino 20 | PA15 — GPIO / SERCOM1 PAD3 |
| Pino 21 | PA16 — GPIO / SERCOM2 PAD0 / I2S SCK |
| Pino 22 | PA17 — GPIO / SERCOM2 PAD1 / I2S FS |
| Pino 23 | PA18 — GPIO / SERCOM2 PAD2 / I2S MCK |
| Pino 24 | PA19 — GPIO / SERCOM2 PAD3 |
| Pino 25 | PA20 — GPIO / SERCOM3 PAD0 |
| Pino 26 | PA21 — GPIO / SERCOM3 PAD1 |
| Pino 27 | PA22 — GPIO / SERCOM3 PAD2 |
| Pino 28 | PA23 — GPIO / SERCOM3 PAD3 |
| Pino 29 | PA24 — GPIO / USB D- |
| Pino 30 | PA25 — GPIO / USB D+ |
| Pino 31 | GND — Ground |
| Pino 32 | VDDIO — I/O supply |
| Pino 33 | PA26 — GPIO |
| Pino 34 | PA27 — GPIO |
| Pino 35 | PA28 — GPIO |
| Pino 36 | PA29 — GPIO |
| Pino 37 | PA30 — GPIO / SWCLK |
| Pino 38 | PA31 — GPIO / SWDIO |
| Pino 39 | NRST — Reset, active low |
| Pino 40 | GND — Ground |
| Pino 41 | VDDIN — Voltage regulator input |
| Pino 42 | VDDOUT — Core voltage output (1.2 V) |
| Pino 43 | GND — Ground |
| Pino 44 | VDDIO — I/O supply |
| Pino 45 | PB00 — GPIO |
| Pino 46 | PB01 — GPIO |
| Pino 47 | PB02 — GPIO / SERCOM4 PAD0 |
| Pino 48 | PB03 — GPIO / SERCOM4 PAD1 |
| Pino 49 | PB04 — GPIO / SERCOM4 PAD2 |
| Pino 50 | PB05 — GPIO / SERCOM4 PAD3 |
| Pino 51 | PB06 — GPIO / SERCOM5 PAD0 |
| Pino 52 | PB07 — GPIO / SERCOM5 PAD1 |
| Pino 53 | PB08 — GPIO / SERCOM5 PAD2 |
| Pino 54 | PB09 — GPIO / SERCOM5 PAD3 |
| Pino 55 | PB10 — GPIO / SERCOM6 PAD0 |
| Pino 56 | PB11 — GPIO / SERCOM6 PAD1 |
| Pino 57 | PB12 — GPIO / SERCOM6 PAD2 |
| Pino 58 | PB13 — GPIO / SERCOM6 PAD3 |
| Pino 59 | PB14 — GPIO / SERCOM7 PAD0 |
| Pino 60 | PB15 — GPIO / SERCOM7 PAD1 |
| Pino 61 | PB16 — GPIO / SERCOM7 PAD2 |
| Pino 62 | PB17 — GPIO / SERCOM7 PAD3 |
| Pino 63 | GND — Ground |
| Pino 64 | VDDIO — I/O supply |
| Pino 65 | PB18 — GPIO |
| Pino 66 | PB19 — GPIO |
| Pino 67 | PB20 — GPIO |
| Pino 68 | PB21 — GPIO |
| Pino 69 | PB22 — GPIO |
| Pino 70 | PB23 — GPIO |
| Pino 71 | PB24 — GPIO |
| Pino 72 | PB25 — GPIO |
| Pino 73 | PB26 — GPIO |
| Pino 74 | PB27 — GPIO |
| Pino 75 | PB28 — GPIO |
| Pino 76 | PB29 — GPIO |
| Pino 77 | PB30 — GPIO |
| Pino 78 | PB31 — GPIO |
| Pino 79 | GND — Ground |
| Pino 80 | VDDIO — I/O supply |
| Pino 81 | PC00 — GPIO |
| Pino 82 | PC01 — GPIO |
| Pino 83 | PC02 — GPIO |
| Pino 84 | PC03 — GPIO |
| Pino 85 | PC04 — GPIO |
| Pino 86 | PC05 — GPIO |
| Pino 87 | PC06 — GPIO |
| Pino 88 | PC07 — GPIO |
| Pino 89 | VDDIO — I/O supply |
| Pino 90 | GND — Ground |
| Pino 91 | PC08 — GPIO / I2S SDO |
| Pino 92 | PC09 — GPIO / I2S SDI |
| Pino 93 | PC10 — GPIO |
| Pino 94 | PC11 — GPIO |
| Pino 95 | PC12 — GPIO |
| Pino 96 | PC13 — GPIO |
| Pino 97 | PC14 — GPIO |
| Pino 98 | PC15 — GPIO |
| Pino 99 | PC16 — GPIO |
| Pino 100 | PC17 — GPIO |
Aplicações típicas
ATSAMD51N20A-AU-EFP é adequado para 6 aplicaçãos: USB Type-C Power Delivery Controller, Industrial HMI Touch Panel, IoT Edge Sensor Node with USB Connectivity, Audio Playback Peripheral, BLDC Motor Control Reference, Automotive Body Control Module.
USB Type-C Power Delivery Controller
ATSAMD51N20A-AU-EFP fits USB PD designs because its integrated USB 2.0 Full-Speed device/host PHY eliminates external components while the 120 MHz Cortex-M4F core handles PD 3.1 negotiation fast enough for sub-100 ms contract setup. The 1 MB dual-panel Flash enables read-while-write firmware updates, critical for USB PD firmware revisions after qualification. Placed as the main MCU between the Type-C connector and buck converter, these MCUs drive VBUS FETs via GPIO while monitoring CC lines through the comparators. The 256 KB SRAM holds PD message buffers plus Type-C state-machine contexts. Unlike STM32, the integrated ATSAMD51N20A USB PHY avoids ESD concerns and BOM cost.
Recomendado
Industrial HMI Touch Panel
ATSAMD51N20A-AU-EFP drives capacitive-touch HMI panels because the integrated Peripheral Touch Controller (PTC) supports up to 256 touch channels without external touch ICs. The 120 MHz Cortex-M4F with FPU renders LVGL graphical interfaces at 60 fps while leaving headroom for CAN-FD communication with industrial backplanes. The 1 MB Flash stores GUI assets plus the full FreeRTOS kernel, and the 256 KB SRAM holds double-buffered display framebuffers for 480x272 RGB panels. Placed at the heart of the HMI controller board, the MCU interfaces to TFT displays via SERCOM SPI plus parallel HX8257-style controllers. The -40 C to +85 C EFP grade meets industrial cabinet operating ranges.
Recomendado
IoT Edge Sensor Node with USB Connectivity
ATSAMD51N20A-AU-EFP serves USB-connected IoT edge nodes because the integrated USB 2.0 Full-Speed device/host PHY enables HID, CDC, and MSC class devices without external components. The 120 MHz Cortex-M4F DSP extensions accelerate edge AI inference for vibration, audio, and current sensing workloads at sub-mJ energy budgets. The 1 MB dual-panel Flash with ECC allows Over-The-Air firmware updates with read-while-write, while the 256 KB SRAM holds sensor fusion buffers. Placed between the sensor front-end and USB Type-C connector, the MCU digitizes 12-bit ADC samples at 1 Msps and streams them via USB CDC or HID. The Cortex-M4F FPU keeps floating-point Kalman filters under 1 ms per cycle.
Recomendado
Audio Playback Peripheral
ATSAMD51N20A-AU-EFP drives USB audio peripherals because its I2S interface supports 24-bit 192 kHz sample rates while the Cortex-M4F DSP extensions handle SRC and EQ in real time. The 256 KB SRAM holds 5 ms of stereo 192 kHz audio buffer plus DSP coefficients, and the integrated USB 2.0 Full-Speed PHY streams UAC1 audio without external codec glue. Placed between the USB connector and the DAC, the MCU feeds I2S frames to devices like the PCM5102A while applying biquad filters via the FPU. The 1 MB Flash stores firmware, factory EQ presets, and bootloader. Compared to STM32, the integrated ATSAMD51N20A USB avoids external ESD devices.
Recomendado
BLDC Motor Control Reference
ATSAMD51N20A-AU-EFP controls 3-phase BLDC motors because the Cortex-M4F with FPU runs field-oriented control (FOC) loops at 20 kHz with full Clarke-Park transforms inside one PWM period. The Event System plus 24 DMA channels deliver deterministic ADC-to-PWM latency under 2 us, critical for sensorless FOC with back-EMF zero-cross detection. The 1 MB Flash holds FOC libraries plus CANopen/CAN-FD stacks, while 256 KB SRAM stores state observers. Placed on the motor controller PCB, the MCU outputs gate driver signals to FET bridges via PWM channels and reads phase currents via the dual 12-bit ADC at 1 Msps. The -40 C to +85 C EFP grade supports industrial motor cabinets.
Recomendado
Automotive Body Control Module
ATSAMD51N20A-AU-EFP fits body control modules because CAN-FD and LIN interfaces integrate directly without external transceivers needed for protocol logic, and the 120 MHz core runs AUTOSAR MCAL plus COM stacks at low CPU load. The 1 MB Flash with ECC meets ISO 26262 latent fault metrics for non-safety-critical body functions like lighting and door modules. The -40 C to +85 C EFP grade covers under-hood body controllers. Placed on the BCM PCB, the MCU drives MOSFET high-side switches via GPIO and reads battery voltage via ADC. The dual-panel Flash supports read-while-write for module firmware updates at dealer service. For ISO 26262 ASIL-B applications, choose a dedicated ATSAM automotive grade instead.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAMD51N20A-AU-EFP — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAMD51N20A-AU | ATSAMD51N20A-AUT-EFP | ATSAMD51N20A-AFT | ATSAMD51N19A-AUT-EFP | ATSAME51N20A-AU | ATSAME51N20A-AUT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same |
| Core | ARM 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 Memory | 1 MB dual-panel w/ ECC | 1 MB | 1 MB | 1 MB | 512 KB (-50%) | 1 MB | 1 MB |
| SRAM | 256 KB w/ ECC | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| Operating Voltage | 1.71-3.6 V | 1.71-3.6 V | 1.71-3.6 V | 1.71-3.6 V | 1.71-3.6 V | 1.71-3.6 V | 1.71-3.6 V |
| USB | USB 2.0 FS device/host | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS |
| EFP Grade | Yes (Extended Flash Performance) | No (standard Flash) | Yes | No (AF tray, non-EFP) | Yes | No (standard) | No (standard) |
| Crypto Accelerator | No | No | No | No | No | Yes (AES/SHA/TRNG) | Yes (AES/SHA/TRNG) |
Principais diferenciais
- Extended Flash Performance (EFP) grade for full 120 MHz across -40 C to +85 C (vs ATSAMD51N20A-AU)
- 1 MB Flash with ECC for safety-critical firmware integrity (vs ATSAMD51N19A-AUT-EFP)
- Hardware crypto option via SAM E51 die in same package (vs ATSAME51N20A-AU)
Notas de projeto
Place a 100 nF X7R 0402 capacitor within 5 mm of every VDD/VDDIO pin. Add a single 4.7 uF X5R bulk capacitor on the VDDIO rail to stabilize the on-chip LDO. The internal 1.2 V core LDO on pin VDDOUT requires a 1 uF X7R output cap; failure to provide adequate bulk decoupling can cause Flash read errors at 120 MHz operation.
The 100-pin TQFP has no exposed thermal pad, but the package dissipation at 120 MHz is below 200 mW typical. For sustained industrial -40 C to +85 C operation, populate the top copper pour under the TQFP with at least 1 cm2 of ground plane and stitch vias on a 200-mil grid. Keep USB D+/D- traces at 90 ohm differential with matched length under 50 mm.
Route USB D+ and D- as a 90 ohm differential pair with maximum length 50 mm to minimize EMI. Place the optional 27 ohm series damping resistors at the MCU end, not at the connector. The SERCOM peripheral pins are multiplexed up to 8 alternate functions - assign PAD0/PAD1/PAD2/PAD3 carefully in the PORT group multiplexer to avoid conflicts with SWD/SWDIO debug pins.
Do not leave the NRST pin floating - pull it up to VDDIO with a 10 kohm resistor and a 100 nF cap to ensure clean reset. The dual-panel Flash requires Atmel/Microchip Studio or MPLAB X IDE with a clean NVMCTRL unlock sequence; failing to unlock before sector writes causes bus faults. The 1 MB Flash address space spans 0x00000000-0x00100000 with NVMCTRL auxiliary mapping.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; not recommended for safety-critical automotive applications requiring ISO 26262 - choose dedicated automotive-grade ATSAM family member instead.
