ATSAMD51J19A-AUT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
MPN: ATSAMD51J19A-AUT ✓ Hoạt độngATSAMD51J19A-AUT Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a wide range of peripherals onto one die. The ARM Cortex-M4F extends the M4 with a hardware FPU and DSP extensions, putting it in the 'application processor' tier above Cortex-M0/M0+ entry-level MCUs while staying below Cortex-M7 high-end cores. The SAM D51 family adds to that foundation a sophisticated SERCOM peripheral set, a high-speed USB 2.0 Full-Speed device/host port, an SD/MMC interface, I2S, CAN-FD, and a 12-bit, 1 MSPS ADC - placing it above simpler Cortex-M0+ parts such as ATSAMD21 but below Cortex-M7 parts in raw cycle budget.
Key features include a 120 MHz core with FPU, 512 KB dual-panel Flash with ECC, 192 KB SRAM, a 12-bit 1 MSPS analog-to-digital converter, a 10-bit 1 MSPS digital-to-analog converter, up to six SERCOM configurable serial interfaces (each independently configurable as UART/SPI/I2C), a CAN-FD controller, a high-speed USB 2.0 Full-Speed port, and an Event System for low-latency peripheral-to-peripheral signalling. Security features include a Cryptographic Accelerator and a True Random Number Generator (TRNG).
Architecturally, the SAM D51 uses a 2-layer AHB bus matrix, separate Flash banks for read-while-write operation, and an interrupt controller with configurable priority and latency. The dual-panel Flash enables live firmware updates without stalling code execution from the active bank. Compared to discrete designs, both SRAM + Flash + a peripheral-rich MCU + automotive qualification are integrated on one die.
Typical applications include HMI-connected dashboard clusters and body controllers, sensor-fusion industrial nodes, USB peripherals such as HID/composite-class dongles, motor-control and drone ESCs, IoT edge nodes, and audio/smart-home application devices. The wide 3.0-V (vs 3.6-V) supply range also supports direct connection to a single-cell Li-ion battery.
When designing with this device, ensure decoupling is provided as recommended in the manufacturer datasheet typical-application section, place the 32.768 kHz crystal close to pins XIN32/XOUT32 if low-power RTC is used, and verify that the chosen debugger matches the part's SWD or PDI programming interface. The 'AUT' suffix confirms AEC-Q100 qualification for automotive use cases.
This page synthesizes distributor pricing, AEC-Q100-qualified drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho ATSAMD51J19A-AUT — 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 ATSAMD51J19A-AUT (cùng hình factor và footprint) — khác nhau ở ADC, DAC, Core Architecture, SRAM, USB.
ATSAMD51J19A-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J20A-AUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J18A-AUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51J19A-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51J20A-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51J19B-AUT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ATSAMD51J19A-AUT Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4F with FPU |
| Tần số xung maksimum | 120 MHz |
| Program Memory Size | 512KB (512K x 8) Flash with ECC |
| SRAM Size | 192 KB |
| Hộp | 64-TQFP (10x10 mm) |
| Nhiệt độ hoạt động | -40C to +85C |
| Điện áp cung cấp | 1.71V to 3.6V |
| ADC | 12-bit, up to 1 MSPS |
| DAC | 10-bit, up to 1 MSPS |
| SERCOM Interfaces | 6 (configurable as UART/SPI/I2C) |
| USB | USB 2.0 Full-Speed Device/Host |
| CAN | CAN-FD controller |
| Crypto Accelerator | Yes (AES, SHA, TRNG) |
| Qualification | AEC-Q100 automotive grade |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAMD51J19A-AUT
| Chân 1 | PA00 — GPIO / SERCOM1 PAD0 |
| Chân 2 | PA01 — GPIO / SERCOM1 PAD1 |
| Chân 3 | PA02 — GPIO / SERCOM2 PAD0 |
| Chân 4 | PA03 — GPIO / SERCOM2 PAD1 |
| Chân 5 | PA04 — GPIO / SERCOM0 PAD0 / ADC AIN4 |
| Chân 6 | PA05 — GPIO / SERCOM0 PAD1 / ADC AIN5 |
| Chân 7 | PA06 — GPIO / SERCOM0 PAD2 / ADC AIN6 |
| Chân 8 | PA07 — GPIO / SERCOM0 PAD3 / ADC AIN7 |
| Chân 9 | VDD — Digital supply voltage |
| Chân 10 | GND — Ground |
| Chân 11 | PA08 — GPIO / SERCOM2 PAD0 / ADC AIN8 |
| Chân 12 | PA09 — GPIO / SERCOM2 PAD1 / ADC AIN9 |
| Chân 13 | PA10 — GPIO / SERCOM2 PAD2 / ADC AIN10 |
| Chân 14 | PA11 — GPIO / SERCOM2 PAD3 / ADC AIN11 |
| Chân 15 | PA12 — GPIO / SERCOM4 PAD0 |
| Chân 16 | PA13 — GPIO / SERCOM4 PAD1 |
| Chân 17 | PA14 — GPIO / SERCOM4 PAD2 |
| Chân 18 | PA15 — GPIO / SERCOM4 PAD3 |
| Chân 19 | PA16 — GPIO / SERCOM3 PAD0 / I2S FS0 |
| Chân 20 | PA17 — GPIO / SERCOM3 PAD1 / I2S SCK0 |
| Chân 21 | PA18 — GPIO / SERCOM3 PAD2 / I2S SDO |
| Chân 22 | PA19 — GPIO / SERCOM3 PAD3 / I2S SDI |
| Chân 23 | PA20 — GPIO / SERCOM5 PAD2 |
| Chân 24 | PA21 — GPIO / SERCOM5 PAD3 |
| Chân 25 | PA22 — GPIO / SERCOM3 PAD0 / USB D- |
| Chân 26 | PA23 — GPIO / SERCOM3 PAD1 / USB D+ |
| Chân 27 | PA24 — GPIO / SERCOM5 PAD2 |
| Chân 28 | PA25 — GPIO / SERCOM5 PAD3 |
| Chân 29 | PB00 — GPIO / SERCOM5 PAD0 |
| Chân 30 | PB01 — GPIO / SERCOM5 PAD1 |
| Chân 31 | PB02 — GPIO / SERCOM5 PAD2 / ADC AIN14 |
| Chân 32 | PB03 — GPIO / SERCOM5 PAD3 / ADC AIN15 |
| Chân 33 | PB04 — GPIO / SERCOM3 PAD0 |
| Chân 34 | PB05 — GPIO / SERCOM3 PAD1 |
| Chân 35 | PB06 — GPIO / SERCOM3 PAD2 |
| Chân 36 | PB07 — GPIO / SERCOM3 PAD3 |
| Chân 37 | PB08 — GPIO / SERCOM4 PAD0 |
| Chân 38 | PB09 — GPIO / SERCOM4 PAD1 |
| Chân 39 | PB10 — GPIO / SERCOM4 PAD2 |
| Chân 40 | PB11 — GPIO / SERCOM4 PAD3 |
| Chân 41 | PB12 — GPIO / SERCOM4 PAD0 / CAN0 RX |
| Chân 42 | PB13 — GPIO / SERCOM4 PAD1 / CAN0 TX |
| Chân 43 | PB14 — GPIO / SERCOM4 PAD2 |
| Chân 44 | PB15 — GPIO / SERCOM4 PAD3 |
| Chân 45 | PA27 — GPIO / SERCOM3 PAD3 |
| Chân 46 | RESET — Reset (active low) |
| Chân 47 | VDD — Digital supply voltage |
| Chân 48 | GND — Ground |
| Chân 49 | PA28 — GPIO |
| Chân 50 | PA29 — GPIO |
| Chân 51 | PA30 — GPIO / SWDIO |
| Chân 52 | PA31 — GPIO / SWCLK |
| Chân 53 | PB10 — GPIO |
| Chân 54 | PB11 — GPIO |
| Chân 55 | PB12 — GPIO / XIN32 (32.768 kHz crystal in) |
| Chân 56 | PB13 — GPIO / XOUT32 (32.768 kHz crystal out) |
| Chân 57 | PB14 — GPIO / XIN (main crystal in) |
| Chân 58 | PB15 — GPIO / XOUT (main crystal out) |
| Chân 59 | VDDANA — Analog supply voltage |
| Chân 60 | GND — Ground |
| Chân 61 | PB30 — GPIO / SERCOM5 PAD0 |
| Chân 62 | PB31 — GPIO / SERCOM5 PAD1 |
| Chân 63 | PC00 — GPIO |
| Chân 64 | PC01 — GPIO |
Ứng dụng tiêu biểu
ATSAMD51J19A-AUT phù hợp cho 7 Áp dụngs: Automotive Body Control Modules, Industrial HMI and Touch Controllers, USB HID and Composite Devices, Sensor Fusion IoT Edge Nodes, Motor Control and Drone ESCs, Audio Processing and Smart Speakers, Battery-Powered Data Loggers.
Automotive Body Control Modules
The ATSAMD51J19A-AUT's AEC-Q100 automotive qualification and integrated CAN-FD controller make it well suited for automotive body controllers managing lighting, door modules, mirror position, and seat control. The 120 MHz Cortex-M4F core executes complex LIN/CAN-FD stacks while the FPU accelerates sensor fusion. Its 64-TQFP (10x10 mm) footprint provides ample GPIO for relay and switch interfaces; the wide 1.71V-3.6V supply tolerates load-dump events when paired with proper TVS protection. Compared to discrete designs, a single-chip MCU with crypto accelerator + CAN-FD + AEC-Q100 qualification simplifies BOM and accelerates time-to-market for production-grade ECUs.
Được đề xuất
Industrial HMI and Touch Controllers
The ATSAMD51J19A-AUT is well suited for industrial HMI panels with capacitive touch and TFT displays. Its 120 MHz core renders LVGL and MEL drives which deliver responsive UI at 60+ FPS, while the 12-bit 1 MSPS ADC digitizes analog sensors. The six SERCOM interfaces handle SPI display, I2C touch controller, and UART debug ports simultaneously. The 64-TQFP package provides enough GPIO for backlight PWM, button scanning, and rotary encoders. Unlike host CPU + external controller designs, the integrated MCU reduces BOM and PCB area in panel-meter and operator-interface designs.
Được đề xuất
USB HID and Composite Devices
The ATSAMD51J19A-AUT integrates a USB 2.0 Full-Speed device/host port with internal transceiver, making it ideal for USB HID peripherals such as keyboards, gaming controllers, and composite-class devices. The 120 MHz Cortex-M4F core handles USB stack + class driver + application logic, while 512 KB Flash stores USB descriptors and composite interfaces. The 64-TQFP package supports USB Type-A connector footprints. Unlike external USB-interface IC designs, the integrated MCU eliminates the need for a companion interface chip and reduces BOM cost.
Được đề xuất
Sensor Fusion IoT Edge Nodes
The ATSAMD51J19A-AUT suits IoT edge nodes with sensor fusion workloads such as asset trackers, environmental monitors, and wearable health patches. The 120 MHz core + FPU executes Kalman filters and ML inference on accelerometer + gyroscope + magnetometer streams, while the six SERCOM interfaces connect to SPI sensors and I2C peripherals. The crypto accelerator enables secure-boot and TLS acceleration of IoT workloads. The 1.71V-3.6V supply supports direct Li-ion battery operation. Unlike external MCU + sensor hub designs, this integrated part reduces system cost and PCB footprint for compact IoT edge nodes.
Được đề xuất
Motor Control and Drone ESCs
The ATSAMD51J19A-AUT powers drone ESCs and BLDC motor controllers with FOC algorithms. The 120 MHz Cortex-M4F core + FPU executes FOC math at 32 kHz PWM frequency, while the 12-bit ADC samples phase currents with sub-microsecond conversion. The 64-TQFP package provides 6-PWM outputs suitable for 3-phase bridge drive. The AEC-Q100 qualification extends operating range to -40C to +85C, covering consumer and prosumer drones. Unlike external MCU + gate-driver designs, this integrated part reduces BOM and PCB area in compact drone ESC designs.
Được đề xuất
Audio Processing and Smart Speakers
The ATSAMD51J19A-AUT handles audio decoding and post-processing in smart speakers, soundbars, and headphone amplifiers. The 120 MHz core + FPU executes MP3/AAC decode + EQ + DRC, while the 12-bit DAC outputs audio line or drives soundbar. The I2S interface connects to external codec ICs. The 64-TQFP package provides GPIO for button input and LED feedback. Unlike external DSP + MCU designs, this integrated part reduces BOM cost in audio-processing applications.
Được đề xuất
Battery-Powered Data Loggers
The ATSAMD51J19A-AUT powers portable data loggers and BLE-enabled sensor loggers. The 120 MHz core executes compression algorithms while 512 KB Flash stores log data, and the 1.71V-3.6V supply supports single-cell Li-ion. The Event System enables low-power wake-from-sleep on sensor triggers. Unlike Cortex-M0+ parts, the M4F + FPU accelerates compression and enables local analytics. The 64-TQFP package supports compact PCB designs in portable and wearable applications.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAMD51J19A-AUT — 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 | ATSAMD51J19A-AU | ATSAMD51J20A-AUT | ATSAMD51J18A-AUT | ATSAME51J19A-AU | ATSAME51J20A-AU |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Core | Cortex-M4F 120 MHz | Cortex-M4F 120 MHz | Cortex-M4F 120 MHz | Cortex-M4F 120 MHz | Cortex-M4F 120 MHz (no TrustZone-M) | Cortex-M4F 120 MHz (no TrustZone-M) |
| Flash | 512 KB | 512 KB | 1 MB (+100%) | 256 KB (-50%) | 512 KB | 1 MB (+100%) |
| SRAM | 192 KB | 192 KB | 256 KB | 128 KB | 192 KB | 256 KB |
| AEC-Q100 | Yes (AUT) | No (industrial AU) | Yes (AUT) | Yes (AUT) | No (industrial AU) | No (industrial AU) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| CAN-FD | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- AEC-Q100 automotive qualification with 64-TQFP (10x10 mm) package (vsATSAMD51J19A-AU)
- Mid-tier Flash density with dual-panel read-while-write (vsATSAMD51J18A-AUT)
- ARM Cortex-M4F with FPU and DSP extensions (vsATSAME51J20A-EK)
Ghi chú thiết kế
The ATSAMD51J19A-AUT requires separate VDD and VDDANA supplies; both should be decoupled with 100 nF + 1 uF ceramic capacitors placed within 5 mm of the supply pins, plus a 10 uF bulk capacitor per supply rail. Use a ferrite bead between VDD and VDDANA to isolate analog noise from the digital core. Estimated: total decoupling budget is approximately 0.5 cm^2 of PCB footprint for the supply-pin capacitor network.
Place the 32.768 kHz crystal within 5 mm of pins XIN32/XOUT32 (typically PB12/PB13 in the 64-TQFP package) with a guarded ground plane around both crystal leads. Keep high-speed traces (USB D+/D-, SERCOM signals) at least 3 mm away from the crystal area. Route the main 8-12 MHz crystal traces symmetrically from XIN/XOUT to ground guard ring.
Do not omit the 0-ohm ferrite bead between VDD and VDDANA, or analog ADC readings will show digital switching spurs. The SAM G92F supports multiple sleep modes; ensure unused SERCOM peripherals are disabled in PMUX registers to avoid leakage in standby. The AEC-Q100 'AUT' suffix confirms only -40C to +85C grade; for +125C automotive, use the 'AUT' parts explicitly rated for extended automotive range.
Estimated: At 120 MHz active operation with full peripheral activity, core current draw is approximately 30-40 mA, and standby current is below 50 uA. The 64-TQFP (10x10 mm) package has theta_JA of approximately 50 C/W, sufficient for most consumer/automotive applications without external heatsinking.
Thông tin tuân thủ
AEC-Q100 qualified automotive grade per 'AUT' suffix; RoHS and REACH compliant per Microchip product page. Industrial grade ATSAMD51J19A-AU is also available with the same package for non-automotive designs.
