ATSAME51G19A-MF - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
MPN: ATSAME51G19A-MF ✓ Hoạt độngATSAME51G19A-MF Tóm tắt
What is a Cortex-M4F microcontroller? An ARM Cortex-M4F microcontroller is a 32-bit embedded processor that combines a high-performance core with a single-precision Floating Point Unit (FPU), DSP extensions and tightly-coupled peripherals. It sits in the taxonomy MCU -> 32-bit MCU -> ARM Cortex-M4F MCU -> general-purpose microcontroller with FPU, and is widely used where deterministic real-time control meets numerical signal processing.
Key features include hardware cryptographic support through the TrustZone-ready SAM E51 platform, a 12-bit ADC up to 1 MSPS, multiple SERCOM serial interfaces configurable as UART/SPI/I2C, an integrated Full-Speed USB 2.0 transceiver, and an SD/MMC host controller. The 120 MHz Cortex-M4F with FPU delivers 1.25 DMIPS/MHz while retaining low-power sleep modes down to single-digit microampere quiescent current.
The ATSAME51G19A-MF leverages a Harvard-bus architecture with separate I/D buses, a multi-layer AHB matrix and tightly-coupled SRAM banks to avoid flash wait states on hot code paths. ECC on flash and SRAM provides single-bit error correction and double-bit error detection, important for industrial safety and field-reliability standards. The integrated Peripheral Touch Controller (PTC) and 6-pin configurable SERCOM set accelerate HMI and connectivity designs.
Typical applications include industrial control and automation systems, USB-connected human-interface devices, automotive body and infotainment subsystems, IoT edge nodes, and motor-control boards where the FPU accelerates real-time field-oriented control algorithms. The CAN-FD peripheral also makes the part attractive for industrial bus and medical device networking.
When designing with this MCU, allocate decoupling close to every VDD pin, follow the 48-pin QFN thermal pad soldering guidance, and use the MPLAB Harmony v3 framework for peripheral configuration to reduce firmware bring-up time. The '-MF' suffix denotes the 48-pin QFN industrial temperature grade (-40 C to +125 C) packaged on trays.
This page synthesizes manufacturer specifications, distributor pricing, drop-in alternatives and design notes sourced from Microchip's SAM E51 datasheet and live distributor listings as of 2026-09-21 - information engineers can act on immediately rather than re-deriving from raw datasheets.
Bộ thay thế dễ dàng lắp đặt cho ATSAME51G19A-MF — 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 ATSAME51G19A-MF (cùng hình factor và footprint) — khác nhau ở DAC, Package, ADC, SRAM, Core.
ATSAMD51G19A-MFT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAME51G19A-MFT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAMD51G18A-MF
Liên hệ để biết giá
Xem tài liệu →ATSAMD21G18A-MF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM3X8EA-AU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MK22FN512CAP12R
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAME51G19A-MF Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M4F with FPU |
| Maximum CPU Frequency | 120 MHz |
| Program Memory (Flash) | 512 KB |
| SRAM | 192 KB |
| Package Type | 48-pin QFN (7x7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40 C to +125 C (Industrial) |
| Supply Voltage Range | 1.62 V to 3.63 V |
| USB Interface | Full-Speed USB 2.0 with on-chip transceiver |
| CAN Interface | CAN-FD |
| ADC | 12-bit, up to 1 MSPS |
| Serial Comms (SERCOM) | Up to 6 (UART/SPI/I2C configurable) |
| Cryptography | AES, True RNG (hardware accelerators) |
| TrustZone Support | Yes |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAME51G19A-MF
| Chân 1 | PA00 — General-purpose I/O / SERCOM1 PAD0 |
| Chân 2 | PA01 — General-purpose I/O / SERCOM1 PAD1 |
| Chân 3 | PA02 — General-purpose I/O |
| Chân 4 | PA03 — General-purpose I/O |
| Chân 5 | PA04 — General-purpose I/O / SERCOM0 PAD0 |
| Chân 6 | PA05 — General-purpose I/O / SERCOM0 PAD1 |
| Chân 7 | PA06 — General-purpose I/O / SERCOM0 PAD2 |
| Chân 8 | PA07 — General-purpose I/O / SERCOM0 PAD3 |
| Chân 9 | VDDIO — I/O supply voltage |
| Chân 10 | GND — Ground |
| Chân 11 | PA08 — General-purpose I/O / SERCOM2 PAD0 |
| Chân 12 | PA09 — General-purpose I/O / SERCOM2 PAD1 |
| Chân 13 | PA10 — General-purpose I/O / SERCOM2 PAD2 |
| Chân 14 | PA11 — General-purpose I/O / SERCOM2 PAD3 |
| Chân 15 | PA12 — General-purpose I/O |
| Chân 16 | PA13 — General-purpose I/O |
| Chân 17 | PA14 — General-purpose I/O |
| Chân 18 | PA15 — General-purpose I/O |
| Chân 19 | PA16 — General-purpose I/O / SERCOM1 PAD0 |
| Chân 20 | PA17 — General-purpose I/O / SERCOM1 PAD1 |
| Chân 21 | PA18 — General-purpose I/O / SERCOM1 PAD2 |
| Chân 22 | PA19 — General-purpose I/O / SERCOM1 PAD3 |
| Chân 23 | PA20 — General-purpose I/O / SERCOM3 PAD0 |
| Chân 24 | PA21 — General-purpose I/O / SERCOM3 PAD1 |
| Chân 25 | PA22 — General-purpose I/O / SERCOM3 PAD2 |
| Chân 26 | PA23 — General-purpose I/O / SERCOM3 PAD3 |
| Chân 27 | PA24 — General-purpose I/O |
| Chân 28 | PA25 — General-purpose I/O |
| Chân 29 | PB00 — General-purpose I/O |
| Chân 30 | PB01 — General-purpose I/O |
| Chân 31 | PB02 — General-purpose I/O / SERCOM4 PAD0 |
| Chân 32 | PB03 — General-purpose I/O / SERCOM4 PAD1 |
| Chân 33 | PB04 — General-purpose I/O / SERCOM4 PAD2 |
| Chân 34 | PB05 — General-purpose I/O / SERCOM4 PAD3 |
| Chân 35 | PB06 — General-purpose I/O |
| Chân 36 | PB07 — General-purpose I/O |
| Chân 37 | PB08 — General-purpose I/O / SERCOM4 PAD0 |
| Chân 38 | PB09 — General-purpose I/O / SERCOM4 PAD1 |
| Chân 39 | PB10 — General-purpose I/O / SERCOM4 PAD2 |
| Chân 40 | PB11 — General-purpose I/O / SERCOM4 PAD3 |
| Chân 41 | VDDIO — I/O supply voltage |
| Chân 42 | GND — Ground |
| Chân 43 | USB_DP — USB Full-Speed Data Plus |
| Chân 44 | USB_DM — USB Full-Speed Data Minus |
| Chân 45 | VDDCORE — Core supply voltage (internal LDO) |
| Chân 46 | RESET_N — Active-low reset |
| Chân 47 | SWDIO — Debug data |
| Chân 48 | SWCLK — Debug clock |
Ứng dụng tiêu biểu
ATSAME51G19A-MF phù hợp cho 6 Áp dụngs: Industrial Control and Automation, USB-Connected HMI Devices, Automotive Body and Infotainment Subsystems, IoT Edge and Sensor Hubs, Motor Control and FOC Drives, Medical Monitoring Devices.
Industrial Control and Automation
The ATSAME51G19A-MF's 120 MHz Cortex-M4F with FPU executes field-oriented control loops and PID algorithms in motor drives and PLC backplanes; CAN-FD interfaces to industrial sensor and actuator buses while 192 KB SRAM holds protocol stacks. ECC on flash and -40 to +125 C operation match IEC industrial safety requirements, and the 12-bit 1 MSPS ADC samples current and voltage feedback synchronously to PWM. Hardware AES and TrustZone isolate vendor firmware from operator-accessible code sections.
Được đề xuất
USB-Connected HMI Devices
The integrated Full-Speed USB 2.0 transceiver eliminates external PHY chips, allowing the ATSAME51G19A-MF to enumerate as a HID, CDC or vendor-class device at low BOM cost. The 48-pin QFN exposes up to 6 SERCOM channels to drive display panels, capacitive touch via the PTC controller and external serial peripherals simultaneously, while 512 KB flash accommodates USB CDC stacks plus GUI assets. The Cortex-M4F DSP extensions accelerate UI animations and smoothing filters.
Được đề xuất
Automotive Body and Infotainment Subsystems
CAN-FD and high ESD tolerance make the ATSAME51G19A-MF a fit for body control modules, HVAC panels and ancillary infotainment nodes where -40 to +125 C operation and reliable CAN communication are required. The FPU accelerates audio DSP for hands-free and chime generation, while 192 KB SRAM stores voice prompts and decode buffers. For full AEC-Q100 compliance a Q-grade suffix part from the same family should be selected where mandated by the OEM.
Được đề xuất
IoT Edge and Sensor Hubs
The ATSAME51G19A-MF aggregates data from multiple analog and digital sensors, running light local analytics on the Cortex-M4F before forwarding over USB or serial links to a gateway. TrustZone-M isolates the cryptographic key store from the application logic, while 192 KB SRAM buffers sensor packets during network outages. Low-power sleep modes drop quiescent current to single-digit microamps, making battery-powered sensor hubs feasible on a single cell.
Được đề xuất
Motor Control and FOC Drives
The Cortex-M4F DSP instructions and FPU compute Park/Clarke transforms and SVM modulators in real time for brushless DC and PMSM drives up to several kW. Hardware AES is used for parameter-locked firmware, and the 12-bit ADC sampled simultaneously with PWM timers provides cycle-accurate feedback. The 48-pin QFN thermal pad supports continuous switching losses at industrial duty cycles without derating below 1A load drive.
Được đề xuất
Medical Monitoring Devices
The ATSAME51G19A-MF's hardware cryptography and ECC memory protection support IEC 62304 and FDA cybersecurity premarket guidance for connected medical devices. The FPU accelerates ECG/EEG DSP filters, 192 KB SRAM holds multi-channel sample buffers, and USB 2.0 enumerates as a USB CDC medical-class device for host software integration. The wide 1.62-3.63 V supply rail simplifies designs powered from single-cell Li-ion with direct battery monitoring.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAME51G19A-MF — 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 | ATSAMD51G19A-MF | ATSAME51G19A-MFT | ATSAMD51G18A-MF | MK22FN512CAP12R |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | NXP Semiconductors |
| Package | 48-QFN (7x7) | 48-QFN (7x7) - same | 48-QFN (7x7) - same | 48-QFN (7x7) - same | 48-LQFP equivalent |
| Core | Cortex-M4F with FPU | Cortex-M4F with FPU | Cortex-M4F with FPU | Cortex-M4F with FPU | Cortex-M4 with FPU |
| Maximum Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 192 KB | 192 KB | 192 KB | 128 KB | 128 KB |
| USB | Full-Speed USB 2.0 | Full-Speed USB 2.0 | Full-Speed USB 2.0 | Full-Speed USB 2.0 | Full-Speed USB 2.0 |
| CAN-FD | Yes | No | Yes | No | No |
| Approx. Unit Price (Qty 100) | $6.65 | $6.50 | $6.65 | $5.30 | $7.20 |
Bảo phân biệt quan trọng
- On-chip CAN-FD plus Full-Speed USB on a 48-pin Cortex-M4F MCU (vsATSAMD51G19A-MF)
- Cortex-M4F with FPU at 120 MHz and 512 KB flash in 48-QFN (vsATSAMD21G18A-MF)
- Drop-in-compatible with ATSAME51G18A-MF in identical QFN (vsNXP MK22FN512)
Ghi chú thiết kế
Estimated: 48-pin QFN package requires a continuous exposed thermal pad soldered to a copper pour of at least 25 mm^2 for adequate thermal dissipation. Place 0.1 uF decoupling capacitors within 3 mm of every VDDIO and VDDCORE pin, and add a 10 uF bulk capacitor near the USB supply pins. QFN routing demands via-in-pad or dog-bone fanouts on inner layers to break out inner-row pads without violating design rules.
The ATSAME51G19A-MF integrates dual voltage regulators (LDO and DC-DC buck) selectable via the VREGSEL fuse; misconfiguring this for a 1.8 V system can leave the core under-supplied. Confirm the fuse setting before programming, and review the SAM E51 errata for rev-A silicon differences. The USB bus requires a 1 uF bypass on VBUS sense for hot-plug reliability.
Estimated: At maximum 120 MHz and 3.6 V supply with sustained GPIO toggling, the ATSAME51G19A-MF draws roughly 80 mA active current. With the 48-QFN theta_JA of ~33 C/W on a 4-layer JEDEC test board, the junction rises ~2.6 C/W per watt dissipated. For continuous motor-control or USB workloads, design the PCB copper pour to keep junction below 100 C ambient.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product pages. The -MF suffix denotes industrial temperature grade (-40 C to +125 C). AEC-Q100 automotive grade is available separately with a -Q suffix in the SAME51 family.
