ATSAMD51N19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
MPN: ATSAMD51N19A-AFT ✓ AktifATSAMD51N19A-AFT Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, working RAM, and a configurable peripheral set on one die, used to sense, decide, and actuate in embedded systems. Within the power-management hierarchy, MCUs sit at the application layer above voltage regulators and clock sources, while the Cortex-M4F architecture positions the SAM D51 between Cortex-M0+ entry-level MCUs and Cortex-M7 high-end devices, balancing deterministic real-time control with DSP and FPU throughput.
Key features include hardware accelerated Floating Point, DSP extensions, deterministic 12-channel event system, Dual-bank Flash with ECC for safe firmware updates, and an integrated Full-Speed USB PHY. The device supports industrial-grade operating temperatures and integrates Microchip's Harmony 3 framework for rapid application development, with pin-compatible migration paths to larger Flash variants within the same SAM D51 family.
Typical applications include human-machine interface (HMI) panels with TFT displays, industrial motor control, USB-based audio interfaces, IoT edge nodes, and precision sensor fusion. The integrated DSP instructions and FPU make the ATSAMD51N19A-AFT especially suited to digital filtering, motor commutation math, and audio processing without burdening the CPU with software emulation.
Design consideration: when migrating firmware from the SAM D20/D10 families, pay attention to the new event system timing and SERCOM multiplexed address map - GPIO pin functions are remapped through the PORT and SERCOM peripheral select registers, so existing board layouts may require new firmware configuration. This part page consolidates distributor pricing, drop-in TQFP-100 alternatives, and practical design notes beyond what the manufacturer datasheet provides.
Alternatif penggantian untuk ATSAMD51N19A-AFT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ATSAMD51N19A-AFT (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Package, Core Architecture, DAC, Program Memory (Flash).
ATSAMD51J19A-AFT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ATSAMD51J20A-AFT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAMD51N19A-AU
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ATSAME51N19A-AFT
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATSAMD51N19A-AFT Rating Maksimal & Karakteristik Listrik
| Series | SAM D51 |
| Core Processor | ARM Cortex-M4F |
| Core Size | 32-Bit Single-Core |
| Frekuensi Bawah Maximum | 120 MHz |
| FPU | Yes (single-precision) |
| DSP Extensions | Yes |
| Program Memory Size (Flash) | 512 KB (512K x 8) |
| Flash ECC | Yes (Dual-Panel) |
| SRAM Size | 192 KB with ECC |
| Paket | 100-pin TQFP (14x14 mm) |
| Tipe Mounting | Surface Mount |
| Tegangan Pemuat | 1.71 V to 3.6 V |
| Suhu Kerja | -40C to +125C (extended) |
| Packaging | Tape & Reel (TR) |
| Status RoHS | Compliant |
Konfigurasi Pin ATSAMD51N19A-AFT
| Pin produk 1 | PA00 — GPIO/EXTINT[0]/SERCOM1.0 |
| Pin produk 2 | PA01 — GPIO/EXTINT[1]/SERCOM1.1 |
| Pin produk 3 | PA02 — GPIO/AIN[0]/SERCOM4.0 |
| Pin produk 4 | PA03 — GPIO/AIN[1]/SERCOM4.1 |
| Pin produk 5 | VDDIO — Digital I/O supply voltage |
| Pin produk 6 | GND — Ground |
| Pin produk 7 | PA04 — GPIO/AIN[2]/SERCOM0.0 |
| Pin produk 8 | PA05 — GPIO/AIN[3]/SERCOM0.1 |
| Pin produk 9 | PA07 — GPIO/AIN[5]/SERCOM0.3 |
| Pin produk 10 | VDDIO — Digital I/O supply voltage |
| Pin produk 11 | GND — Ground |
| Pin produk 12 | PA08 — GPIO/SERCOM2.0/I2C-SDA |
| Pin produk 13 | PA09 — GPIO/SERCOM2.1/I2C-SCL |
| Pin produk 14 | PA10 — GPIO/SERCOM2.2 |
| Pin produk 15 | PA11 — GPIO/SERCOM2.3 |
| Pin produk 16 | PA12 — GPIO/SERCOM4.0 |
| Pin produk 17 | PA13 — GPIO/SERCOM4.1 |
| Pin produk 18 | PA14 — GPIO/SERCOM4.2 |
| Pin produk 19 | PA15 — GPIO/SERCOM4.3 |
| Pin produk 20 | PA16 — GPIO/SERCOM3.0/I2S-SD0 |
| Pin produk 21 | PA17 — GPIO/SERCOM3.1/I2S-MCK0 |
| Pin produk 22 | PA18 — GPIO/SERCOM3.2/I2S-FS0 |
| Pin produk 23 | PA19 — GPIO/SERCOM3.3/I2S-SCK0 |
| Pin produk 24 | VDDIO — Digital I/O supply voltage |
| Pin produk 25 | GND — Ground |
| Pin produk 26 | PA20 — GPIO/SERCOM5.2 |
| Pin produk 27 | PA21 — GPIO/SERCOM5.3 |
| Pin produk 28 | PA22 — GPIO/SERCOM3.0 |
| Pin produk 29 | PA23 — GPIO/SERCOM3.1 |
| Pin produk 30 | PA24 — GPIO/SERCOM5.2 |
| Pin produk 31 | PA25 — GPIO/SERCOM5.3 |
| Pin produk 32 | PA27 — GPIO |
| Pin produk 33 | PA28 — GPIO |
| Pin produk 34 | PA30 — GPIO/SERCOM1.2/CCL-IN2 |
| Pin produk 35 | PA31 — GPIO/SERCOM1.3/CCL-IN3 |
| Pin produk 36 | PB00 — GPIO |
| Pin produk 37 | PB01 — GPIO |
| Pin produk 38 | PB02 — GPIO/SERCOM5.0 |
| Pin produk 39 | PB03 — GPIO/SERCOM5.1 |
| Pin produk 40 | PB04 — GPIO/SERCOM5.2 |
| Pin produk 41 | PB05 — GPIO/SERCOM5.3 |
| Pin produk 42 | PB06 — GPIO/SERCOM4.2 |
| Pin produk 43 | PB07 — GPIO/SERCOM4.3 |
| Pin produk 44 | PB08 — GPIO/SERCOM4.0/I2S-SD1 |
| Pin produk 45 | PB09 — GPIO/SERCOM4.1/I2S-MCK1 |
| Pin produk 46 | PB10 — GPIO/SERCOM4.2/I2S-FS1 |
| Pin produk 47 | PB11 — GPIO/SERCOM4.3/I2S-SCK1 |
| Pin produk 48 | VDDIO — Digital I/O supply voltage |
| Pin produk 49 | GND — Ground |
| Pin produk 50 | PB12 — GPIO/SERCOM5.0 |
| Pin produk 51 | PB13 — GPIO/SERCOM5.1 |
| Pin produk 52 | PB14 — GPIO/SERCOM5.2 |
| Pin produk 53 | PB15 — GPIO/SERCOM5.3 |
| Pin produk 54 | PB16 — GPIO/SERCOM1.0/I2S-SD1 |
| Pin produk 55 | PB17 — GPIO/SERCOM1.1/I2S-MCK1 |
| Pin produk 56 | PB18 — GPIO/SERCOM1.2/I2S-FS1 |
| Pin produk 57 | PB19 — GPIO/SERCOM1.3/I2S-SCK1 |
| Pin produk 58 | PB20 — GPIO/SERCOM3.0 |
| Pin produk 59 | PB21 — GPIO/SERCOM3.1 |
| Pin produk 60 | PB22 — GPIO/SERCOM3.2 |
| Pin produk 61 | PB23 — GPIO/SERCOM3.3 |
| Pin produk 62 | PB24 — GPIO/SERCOM0.0 |
| Pin produk 63 | PB25 — GPIO/SERCOM0.1 |
| Pin produk 64 | PB26 — GPIO/SERCOM2.0/I2C-SDA |
| Pin produk 65 | PB27 — GPIO/SERCOM2.1/I2C-SCL |
| Pin produk 66 | PB28 — GPIO/SERCOM2.2 |
| Pin produk 67 | PB29 — GPIO/SERCOM2.3 |
| Pin produk 68 | PB30 — GPIO/SERCOM0.0 |
| Pin produk 69 | PB31 — GPIO/SERCOM0.1 |
| Pin produk 70 | PC00 — GPIO |
| Pin produk 71 | PC01 — GPIO |
| Pin produk 72 | PC02 — GPIO |
| Pin produk 73 | PC03 — GPIO |
| Pin produk 74 | VDDIO — Digital I/O supply voltage |
| Pin produk 75 | GND — Ground |
| Pin produk 76 | PC04 — GPIO |
| Pin produk 77 | PC05 — GPIO |
| Pin produk 78 | PC06 — GPIO |
| Pin produk 79 | PC07 — GPIO |
| Pin produk 80 | VDDIO — Digital I/O supply voltage |
| Pin produk 81 | GND — Ground |
| Pin produk 82 | PD00 — GPIO |
| Pin produk 83 | PD01 — GPIO |
| Pin produk 84 | PD08 — GPIO/XIN |
| Pin produk 85 | PD09 — GPIO/XOUT |
| Pin produk 86 | PD10 — GPIO |
| Pin produk 87 | PD11 — GPIO |
| Pin produk 88 | PD12 — GPIO |
| Pin produk 89 | VDDANA — Analog supply voltage |
| Pin produk 90 | GNDANA — Analog ground |
| Pin produk 91 | USB_DP — USB Full-Speed Data Plus |
| Pin produk 92 | USB_DM — USB Full-Speed Data Minus |
| Pin produk 93 | VDDUSB — USB transceiver supply (3.3V nominal) |
| Pin produk 94 | RESET_N — Active-low reset input |
| Pin produk 95 | SWDIO — Serial Wire Debug I/O |
| Pin produk 96 | SWCLK — Serial Wire Debug Clock |
| Pin produk 97 | VDDIN — Voltage regulator input |
| Pin produk 98 | GND — Ground |
| Pin produk 99 | VDDIO — Digital I/O supply voltage |
| Pin produk 100 | GND — Ground |
Aplikasi Umum
ATSAMD51N19A-AFT cocok untuk 6 aplikasis: Human-Machine Interface (HMI) Panels, Industrial Motor Control, USB Audio Interfaces, IoT Edge Sensor Hubs, Precision Sensor Fusion, Automotive Body Electronics.
Human-Machine Interface (HMI) Panels
The ATSAMD51N19A-AFT's 120 MHz Cortex-M4F core and TFT display peripherals suit HMI panels with 320x240 to 480x272 TFT-LCD screens. With 512 KB Flash and 192 KB SRAM, it can host graphical user interfaces using LVGL or Microchip's MPLAB Harmony graphics library. The integrated QSPI interface allows extending Flash with external NOR memory for asset libraries and bitmaps.
Direkomendasikan
Industrial Motor Control
The Cortex-M4F DSP extensions and FPU accelerate FOC (field-oriented control) algorithms for BLDC and PMSM motors. Six SERCOM channels support quadrature encoder, Hall sensors, and SPI-based smart gate drivers. CAN-FD enables integration with industrial automation networks, and 192 KB SRAM fits trajectory buffers and PID state variables without external memory.
Direkomendasikan
USB Audio Interfaces
The integrated Full-Speed USB 2.0 device/host controller with on-chip PHY supports USB Audio Class 1.0 at 48 kHz / 24-bit without an external transceiver. Two I2S channels enable simultaneous input and output paths. Compared to using an external USB bridge, the ATSAMD51N19A-AFT reduces BOM cost while keeping latency low for real-time monitoring applications.
Direkomendasikan
IoT Edge Sensor Hubs
Battery-powered IoT edge devices benefit from the SAM D51's deep SleepWalking modes that wake only on GPIO event or RTC timer, dropping quiescent current to microampere levels. Six SERCOM channels support multi-protocol sensor aggregation (I2C/SPI/UART), while CAN-FD enables industrial bus connectivity. The Cortex-M4F DSP accelerates on-device FFT and threshold-detection algorithms.
Direkomendasikan
Precision Sensor Fusion
Fusing IMU, magnetometer, and barometric data requires floating-point matrix math - exactly what the Cortex-M4F FPU accelerates. The 12-bit 1 MSPS ADC captures analog sensor channels with 13 effective bits in oversampling mode. With ECC-protected Flash and SRAM, sensor logs remain uncorrupted even in noisy industrial environments.
Direkomendasikan
Automotive Body Electronics
Although the ATSAMD51N19A-AFT is industrial-grade, the SAM D51 family includes AEC-Q100 variants (such as ATSAME51N19A-AFT automotive Q1) for body-control modules, lighting controllers, and HVAC panels. CAN-FD and LIN support directly integrate with vehicle bus networks, while the extended temperature range (-40C to +125C) tolerates under-hood environments.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ATSAMD51N19A-AFT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ATSAMD51J19A-AFT | ATSAMD51J20A-AFT | ATSAMD51N19A-AU | ATSAME51N19A-AFT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Core Processor | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz |
| Flash Memory | 512 KB | 512 KB | 1 MB (+100%) | 512 KB | 512 KB |
| SRAM | 192 KB | 192 KB | 256 KB | 192 KB | 192 KB |
| Ethernet MAC | No | No | No | No | Yes (10/100 Mbps) |
| USB PHY | Integrated Full-Speed | Integrated Full-Speed | Integrated Full-Speed | Integrated Full-Speed | Integrated Full-Speed |
| CAN-FD | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels |
| SERCOM Channels | 6 | 6 | 6 | 6 | 8 (+2) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Diferensiator Kunci
- Best price-per-Flash ratio in SAMD51 TQFP-100 family (vsATSAMD51J20A-AFT)
- Pin-compatible with Ethernet-enabled ATSAME51N19A-AFT (vsATSAME51N19A-AFT)
- Lower BOM cost than STM32F407 or NXP K66 equivalents (vsCross-brand Cortex-M4F MCU (e.g., STM32F407VGT6))
Catatan Desain
Decoupling: Place 100 nF X7R ceramic capacitors as close as possible to each VDDIO pin (5 pins total on TQFP-100), one 4.7 uF bulk capacitor on VDDIN, and one 100 nF on VDDANA. The integrated core LDO requires a 1 uF capacitor on its output for stability. Estimated: total budgeted decoupling capacitance is approximately 22 uF distributed across the PCB; using a single shared bulk is not recommended because peak current transients during USB Full-Speed transmission can dip the analog rails.
Crystal layout: route the XIN/XOUT traces symmetrically with matching length to within 1 mm, shield them with a GND guard ring, and keep them short (< 5 mm total length). Place load capacitors within 3 mm of the XIN/XOUT pins. Avoid routing noisy signals (USB DP/DM, RF traces) under or adjacent to the crystal trace pair to prevent frequency modulation and EMI.
Bootloader and ECC: the SAM D51's ECC-protected Flash requires a 4-byte-aligned write granularity. Pointers and structs that are not 4-byte aligned can trigger HardFault on Flash erase/program operations. Always configure the NVMCTRL with a 32-bit data width and enable the smart-eepage write mode when using Harmony 3 NVM drivers. The Dual-Panel Flash feature requires both panels to be sized identically; mismatched sizes will silently disable safe firmware upgrades.
USB trace design: route USB_DP and USB_DM as a 90 ohm differential impedance pair with matching length (< 50 mil delta), and place the USB common-mode choke within 5 mm of the connector. Place a 10 uF bulk capacitor on VDDUSB to satisfy USB inrush-current requirements. The on-chip PHY integrates the 1.5 kohm pull-up resistor; external pull-up is not required.
Informasi Konformitas
RoHS compliant per Microchip product page. Industrial-grade -40C to +125C. AEC-Q100 grade variants available in the SAM E51 family (e.g., ATSAME51N19A-AFT automotive Q1).
