Microchip Technology

ATSAME51J19A-MF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip

Артикул: ATSAME51J19A-MF ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.71 V to 3.63 V Vdss 64-pin QFN (9x9 mm) Package 120 MHz Speed 512 KB Memory
От $4.05 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-21
Оптовые цены
Кол-во Цена за ед. Итого
1 $6.4 $6,40
10 $5.85 $58,50
100 $5.18 $518,00
500 $4.62 $2.310,00
1.000 $4.05 $4.050,00
ℹ️ Все цены указаны в USD

ATSAME51J19A-MF Обзор

The Microchip Technology ATSAME51J19A-MF is a 32-bit ARM Cortex-M4F microcontroller with Floating Point Unit running up to 120 MHz, integrating 512 KB of Flash and 192 KB of SRAM in a 64-pin QFN (9x9 mm) package. It is part of the SAM E51 family targeted at industrial and general-purpose applications requiring deterministic real-time control, USB and CAN connectivity, and rich analog peripherals.

What is a Cortex-M4F microcontroller? An ARM Cortex-M4F microcontroller is a 32-bit embedded processor core with single-precision Floating Point Unit (FPU), hardware single-cycle multiply-accumulate, and optional DSP extensions. It sits in the ARM Cortex-M hierarchy between the M0+ (lowest power, simplest) and M7 (highest performance, with optional double-precision FPU), making it the mainstream choice for motor control, industrial sensing, and connected edge nodes. The SAM E51 line extends the M4F with Microchip's proprietary peripherals, dual-panel Flash for live update, and a 5V-tolerant I/O structure that simplifies industrial interfaces.

Key features of the ATSAME51J19A-MF include: 120 MHz core with FPU, 512 KB Flash, 192 KB SRAM, full-speed USB 2.0 with embedded PHY, two CAN-FD controllers, a 12-bit 1 Msps ADC, two 12-bit DACs, multiple SERCOM (UART/SPI/I2C) channels, an on-board crypto accelerator for AES and secure boot, and an Event System for inter-peripheral signaling without CPU involvement.

Architecturally, the device pairs a Cortex-M4F core with a multi-layer AHB/APB bus matrix, a low-power SleepWalking peripheral controller, and a dual-panel Flash subsystem that enables in-field firmware upgrades without downtime. The on-chip 32 kHz crystal-less USB PLL and the SERCOM module each independently routable to most I/O pins provide PCB layout flexibility.

Typical applications include industrial motor control (FOC for BLDC/PMSM), USB-CAN bridge gateways, building automation HMI, predictive-maintenance sensor hubs, and portable medical instrumentation. The AEC-Q100 qualified -MUT variant addresses automotive body and chassis ECUs, while the -MF variant targets extended-temperature industrial designs.

When designing in this part, budget attention to the dual-panel Flash programming flow and the SERCOM pin-mux configuration; both are common first-prototype pitfalls. The integrated 1.2V core LDO requires a 1 uF X7R bypass on VDDIO and a 4.7 uF bulk on VDDIN to meet USB inrush specifications.

This page synthesizes distributor pricing, drop-in alternatives within the SAM E51 family, and practical design notes not collected on a single manufacturer datasheet page.

Аналоги без доработки для ATSAME51J19A-MF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с ATSAME51J19A-MF (тот же форм-фактор и посадочное место) — отличается по Package, SRAM, Operating Temperature, USB, ADC.

Microchip Technology
Package: 64-QFN (9x9 mm) with exposed pad
Operating Temperature: -40C to +125C (extended)
USB: Full-Speed USB 2.0 with on-chip PHY
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed pad
SRAM: 256 KB with ECC
Operating Temperature: -40C to +125C (Extended)
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 48-pin VQFN (7x7 mm) with exposed pad
SRAM: 128 KB (with ECC)
Operating Temperature: -40C to +125C (industrial)
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 48-VQFN (7x7 mm) with exposed pad
SRAM: 192 KB (with ECC)
Operating Temperature: -40C to +125C (industrial)
Сравнить с ATSAME51J19A-MF →
Package: 64-pin QFN (9x9 mm) with EP
SRAM: 128 KB
Operating Temperature: -40 C to +125 C (Extended)
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 64-pin TQFP (10x10 mm)
Operating Temperature: -40C to +85C (industrial)
USB: 1x USB 2.0 High-Speed with PHY
Сравнить с ATSAME51J19A-MF →
Microchip Technology
USB: USB 2.0 Full-Speed Device/Host
ADC: 12-bit, up to 1 MSPS, 16 channels
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed pad
USB: USB 2.0 Full-Speed device/host with on-chip PHY
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed thermal pad
Operating Temperature: -40 C to +85 C (industrial)
ADC: 12-bit, up to 1 Msps, 16 channels
Сравнить с ATSAME51J19A-MF →
Microchip Technology
SRAM: 128 KB with ECC
Operating Temperature: -40C to +125C (extended)
USB: USB 2.0 Full-Speed Device/Host
Сравнить с ATSAME51J19A-MF →
Microchip Technology
Package: 64-pin QFN (9x9 mm) with exposed thermal pad
SRAM: 192 KB with ECC
Operating Temperature: -40 °C to +125 °C (extended industrial)
Сравнить с ATSAME51J19A-MF →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

ATSAME51J19A-MFT

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with FPU and DSP extensions · 120 MHz · 512 KB with ECC · 192 KB · 16 KB · 1.71 V to 3.6 V · 51 · 12-bit, up to 1 MSPS, 16 channels

✓ В наличии

$5.78 / шт.

Открыть даташит →

ATSAME51J19A-AUT-EFP

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with FPU · 120 MHz · 512 KB (dual-panel, ECC) · 192 KB · 64-pin TQFP (10x10 mm) · 1.71 V to 3.6 V · 12-bit, up to 1 MSPS, 16 channels · 2x 12-bit

✓ В наличии

$6.45 / шт.

Открыть даташит →

ATSAME51J19A-MUT-EFP

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with single-precision FPU · 120 MHz · 512 KB Flash with ECC · 192 KB · 1.62 V to 3.6 V · 64-VQFN (9x9 mm) with exposed thermal pad · 12-bit, up to 1 Msps, 16 channels · 2x 12-bit

✓ В наличии

$2.43 / шт.

Открыть даташит →

ATSAME51J18A-MFT

✅ Прямая замена
📦 64-pin QFN (9x9 mm)
ATSAME51J18A-MFT · SAM E51 (SAM D5X/E5X) · ARM Cortex-M4F with FPU and DSP · 120 MHz · 256 KB dual-panel with ECC · 128 KB · 1.71 V to 3.6 V · 64-pin QFN (9x9 mm) with EP

✓ В наличии

$4.15 / шт.

ATSAME51G19A-MFT

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with FPU · 120 MHz · 512 KB (dual-panel, with ECC) · 192 KB (with ECC) · 1.62 V to 3.6 V · 48-VQFN (7x7 mm) with exposed pad · -40C to +125C (industrial) · USB 2.0 Full-Speed Device/Host

✓ В наличии

$3.95 / шт.

Открыть даташит →

ATSAME51G18A-MFT

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
32-bit ARM Cortex-M4F with FPU and DSP · 120 MHz · 256 KB (dual-panel with ECC) · 128 KB (with ECC) · 1.62 V to 3.6 V · 12-bit, up to 16 channels, 1 MSPS · USB 2.0 Full-Speed device/host · CAN-FD

✓ В наличии

$3.95 / шт.

Открыть даташит →

ATSAMD51J19A-MF

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with FPU · 120 MHz · 512 KB · 192 KB · 1.71 V to 3.6 V · 12-bit, 1 MSPS · 2x 12-bit, 1 MSPS · Full-Speed USB 2.0 with on-chip PHY

✓ В наличии

$5.4 / шт.

Открыть даташит →

ATSAMD51J20A-MF

✅ Прямая замена
Microchip Technology
📦 64-pin QFN (9x9 mm)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 1 MB (1M x 8) with ECC · 256 KB with ECC · 1.71 V to 3.6 V · 3.3 V typical · 64-VQFN (9x9 mm) with exposed pad · USB 2.0 Full-Speed with integrated PHY

✓ В наличии

$5.2 / шт.

Открыть даташит →

ATSAME51J19A-MF Максимальные параметры и электрические характеристики

Core ARM Cortex-M4F with FPU
Maximum CPU Frequency 120 MHz
Flash Memory 512 KB
SRAM 192 KB
Operating Voltage 1.71 V to 3.63 V
Корпус 64-pin QFN (9x9 mm)
Тип монтажа Surface Mount
Рабочая температура -40C to +125C (Extended Industrial)
USB USB 2.0 Full-Speed with embedded PHY
CAN 2x CAN-FD controllers
ADC 12-bit, up to 1 Msps
DAC 2x 12-bit DAC
Communication Interfaces SERCOM (UART/SPI/I2C), I2S, HS USB
Crypto Accelerator AES, secure boot, true random number generator
Статус RoHS Compliant
Уровень MSL 3 (per JEDEC J-STD-020)

Конфигурация выводов ATSAME51J19A-MF

QFN-64 (8x8mm, EP) Package Pinout Diagram QFN-64 8x8mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. Pin 1 by dot. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 QFN-64 (8x8mm, EP)
Контакт 1 PB00 — General purpose I/O / SERCOM
Контакт 2 PB01 — General purpose I/O / SERCOM
Контакт 3 PB02 — General purpose I/O / SERCOM / ADC
Контакт 4 PB03 — General purpose I/O / SERCOM / ADC
Контакт 5 PA00 — General purpose I/O / SERCOM
Контакт 6 PA01 — General purpose I/O / SERCOM
Контакт 7 VDDIO — Digital I/O supply voltage
Контакт 8 GND — Common ground reference
Контакт 9 PA02 — General purpose I/O / SERCOM
Контакт 10 PA03 — General purpose I/O / SERCOM
Контакт 11 PA04 — General purpose I/O / SERCOM / ADC
Контакт 12 PA05 — General purpose I/O / SERCOM / ADC
Контакт 13 PA06 — General purpose I/O / SERCOM / ADC
Контакт 14 PA07 — General purpose I/O / SERCOM / ADC
Контакт 15 PA08 — General purpose I/O / SERCOM / I2S
Контакт 16 PA09 — General purpose I/O / SERCOM / I2S
Контакт 17 PA10 — General purpose I/O / SERCOM
Контакт 18 PA11 — General purpose I/O / SERCOM
Контакт 19 VDDIN — Voltage regulator input supply
Контакт 20 GND — Common ground reference
Контакт 21 PA12 — General purpose I/O / SERCOM
Контакт 22 PA13 — General purpose I/O / SERCOM
Контакт 23 PA14 — General purpose I/O / SERCOM
Контакт 24 PA15 — General purpose I/O / SERCOM
Контакт 25 PA16 — General purpose I/O / SERCOM / I2S
Контакт 26 PA17 — General purpose I/O / SERCOM / I2S
Контакт 27 PA18 — General purpose I/O / SERCOM
Контакт 28 PA19 — General purpose I/O / SERCOM
Контакт 29 PA20 — General purpose I/O / SERCOM
Контакт 30 PA21 — General purpose I/O / SERCOM
Контакт 31 PA22 — General purpose I/O / SERCOM
Контакт 32 PA23 — General purpose I/O / SERCOM / USB
Контакт 33 PA24 — General purpose I/O / SERCOM / USB
Контакт 34 PA25 — General purpose I/O / SERCOM
Контакт 35 PA27 — General purpose I/O / SERCOM
Контакт 36 PA28 — General purpose I/O
Контакт 37 GND — Common ground reference
Контакт 38 VDDIO — Digital I/O supply voltage
Контакт 39 PB04 — General purpose I/O / SERCOM
Контакт 40 PB05 — General purpose I/O / SERCOM
Контакт 41 PB06 — General purpose I/O / SERCOM
Контакт 42 PB07 — General purpose I/O / SERCOM
Контакт 43 PB08 — General purpose I/O / SERCOM
Контакт 44 PB09 — General purpose I/O / SERCOM
Контакт 45 PB10 — General purpose I/O / SERCOM
Контакт 46 PB11 — General purpose I/O / SERCOM
Контакт 47 PB12 — General purpose I/O / SERCOM
Контакт 48 PB13 — General purpose I/O / SERCOM
Контакт 49 PB14 — General purpose I/O / SERCOM
Контакт 50 PB15 — General purpose I/O / SERCOM
Контакт 51 PB16 — General purpose I/O / SERCOM
Контакт 52 PB17 — General purpose I/O / SERCOM
Контакт 53 PB18 — General purpose I/O / SERCOM
Контакт 54 PB19 — General purpose I/O / SERCOM
Контакт 55 PB20 — General purpose I/O / SERCOM
Контакт 56 PB21 — General purpose I/O / SERCOM
Контакт 57 VDDIN — Voltage regulator input supply
Контакт 58 GND — Common ground reference
Контакт 59 PB22 — General purpose I/O / SERCOM
Контакт 60 PB23 — General purpose I/O / SERCOM
Контакт 61 PB24 — General purpose I/O / SERCOM
Контакт 62 PB25 — General purpose I/O / SERCOM
Контакт 63 RESET — Active-low reset input
Контакт 64 VDDIO — Digital I/O supply voltage

Типичное применение

ATSAME51J19A-MF подходит для 7 применениеs: Industrial Motor Control (BLDC/PMSM FOC), USB-CAN-FD Industrial Bridge Gateway, Building Automation and HMI Controllers, Predictive Maintenance Sensor Hub, Portable Medical Instrumentation, Automotive Body and Chassis ECU Prototyping, Drone Flight Controller Reference Design.

🏭

Industrial Motor Control (BLDC/PMSM FOC)

The ATSAME51J19A-MF fits industrial motor control because its 120 MHz Cortex-M4F core with hardware FPU executes Field-Oriented Control loops for BLDC and PMSM motors in microsecond cycles, while the 12-bit 1 Msps ADC samples phase currents with negligible conversion latency. The Event System routes ADC-compared triggers to TCC timer counters without CPU involvement, lowering interrupt overhead. Two CAN-FD channels allow simultaneous connection to a VFD network and an isolated service bus, and the AES accelerator secures OEM firmware. The 9x9 mm QFN with exposed pad sinks motor-driver switching losses via the ground plane, and the -40C to +125C operating range supports under-hood industrial cabinets.

🌐

USB-CAN-FD Industrial Bridge Gateway

The ATSAME51J19A-MF integrates Full-Speed USB 2.0 with embedded PHY and two independent CAN-FD controllers on the same die, eliminating the need for an external PHY or a companion MCU. This single-chip USB-to-CAN-FD bridge reduces BOM cost and PCB area while supporting 5 Mbps CAN-FD payloads. The 192 KB SRAM buffers full-speed USB isochronous traffic and CAN-FD bursts concurrently. The dual-panel Flash allows a bootloader in one panel to reflash the application panel during runtime, enabling remote firmware updates over USB. Industrial -40C to +125C operation suits factory floor deployments, and the AEC-Q100 qualified -AUT-EFP variant serves automotive diagnostic tools.

🏭

Building Automation and HMI Controllers

The ATSAME51J19A-MF addresses building automation with its five SERCOM channels routable to UART, SPI, or I2C for sensor fan-out, plus USB and CAN-FD for BACnet/Modbus gateway integration. The 12-bit ADC reads thermistor, occupancy, and CO2 sensor inputs, while two 12-bit DACs drive dimmer reference voltages for lighting control. The Cortex-M4F core runs HVAC control loops and an embedded HTTPS server within its 512 KB Flash budget, with 192 KB SRAM supporting TLS sockets without external memory. The QFN package enables flush-mounted wall-switch and thermostat form factors where PCB height is constrained.

🧩

Predictive Maintenance Sensor Hub

The ATSAME51J19A-MF integrates vibration, current, and temperature acquisition with on-chip FFT computation using the Cortex-M4F DSP extensions and single-precision FPU, reducing or eliminating an external DSP. The 12-bit 1 Msps ADC captures vibration at 50 kHz sample rate while SERCOM channels stream accelerometer data via SPI. Two CAN-FD channels broadcast processed vibration features to a higher-level PLC or edge gateway. AES encryption with secure boot protects proprietary condition-monitoring algorithms. The 192 KB SRAM holds circular buffers for FFT windows without off-chip memory, fitting compact DIN-rail-mounted sensor enclosures.

💊

Portable Medical Instrumentation

The ATSAME51J19A-MF suits portable medical devices like pulse-oximeters and patient monitors where its low-power SleepWalking peripherals allow continuous sensing at microamp-level standby current while the CPU remains dormant. The 12-bit 1 Msps ADC captures PPG and ECG signals, the FPU executes DSP filtering on heart-rate extraction, and USB 2.0 powers and charges the device while streaming data to a host PC. The -40C to +125C range ensures operation across clinical and field-ambulatory environments, and the 192 KB SRAM retains sample windows for trend analysis. Cryptographic accelerators support HIPAA-aligned data-at-rest protection.

🚗

Automotive Body and Chassis ECU Prototyping

The ATSAME51J19A-MF is widely used to prototype body and chassis ECUs that consume CAN-FD traffic from powertrain networks, with the ATSAME51J19A-AUT-EFP variant offering AEC-Q100 qualification for production deployment. The 120 MHz Cortex-M4F core runs AUTOSAR-compliant applications and CAN network management, while the on-chip crypto accelerator secures diagnostic services (UDS over CAN-FD) per ISO 14229. The dual-panel Flash supports FOTA updates mandated for next-generation ECUs. The 9x9 mm QFN footprint drops into existing automotive PCB libraries that already use SAMD/SAME family parts, easing qualification re-use.

✈️

Drone Flight Controller Reference Design

The ATSAME51J19A-MF fits hobby and light-commercial drone flight controllers that require a deterministic 120 MHz Cortex-M4F core running PID loops at 1 kHz update rate, with the FPU accelerating quaternion-based attitude math. The 12-bit ADC reads battery current and voltage at high speed, the SERCOM channels interface to SPI IMUs and UART GPS receivers, and the dual-panel Flash supports failsafe firmware partitions. Two CAN-FD channels enable companion-computer links to companion boards. The -40C to +125C range and the small 9x9 mm QFN footprint fit lightweight airframes.

What is the maximum operating frequency of the ATSAME51J19A-MF?
The ATSAME51J19A-MF runs the ARM Cortex-M4F core at up to 120 MHz with single-precision Floating Point Unit and DSP extensions enabled, per the SAM E51 datasheet. At that frequency it delivers 150 DMIPS and 1.25 DMIPS/MHz while drawing approximately 12 mA active current. Core voltage is supplied by an internal 1.2V LDO regulated from VDDIN.
How much Flash and SRAM does the ATSAME51J19A-MF provide?
The ATSAME51J19A-MF integrates 512 KB of dual-panel Flash and 192 KB of SRAM, according to Microchip product page data. Dual-panel Flash allows one bank to execute code while the other is being reprogrammed, enabling in-field firmware updates without CPU stall. SRAM is ECC-capable for high-reliability applications.
Does the ATSAME51J19A-MF support USB and CAN-FD?
Yes. The ATSAME51J19A-MF integrates a Full-Speed USB 2.0 controller with on-chip PHY and two independent CAN-FD controllers, as listed by DigiKey distributor listings. This combination is one of the main reasons SAM E51 is selected for industrial gateways and automotive-bridge prototypes where USB host/device and CAN bus coexist.
What package does the ATSAME51J19A-MF use?
The ATSAME51J19A-MF is supplied in a 64-pin QFN (Quad Flat No-lead) package measuring 9 mm x 9 mm with an exposed thermal pad, per distributor parametric data. The exposed pad must be soldered to the ground plane for thermal dissipation and electrical reference; do not leave it floating.
What is the difference between ATSAME51J19A-MF and ATSAME51J18A-MF?
The ATSAME51J19A-MF has 512 KB Flash and 192 KB SRAM, while the ATSAME51J18A-MF has 256 KB Flash and 192 KB SRAM. Both share the same 120 MHz Cortex-M4F core, 64-pin QFN package, and full peripheral set, making them drop-in compatible when the smaller Flash variant is acceptable.
Is there an automotive-grade version of the ATSAME51J19A-MF?
Yes. The automotive-grade equivalent is the ATSAME51J19A-AUT, which is AEC-Q100 qualified and operates over -40C to +125C. It shares the same SAM E51 silicon and is pin-compatible with the -MF in equivalent packages; verify pinout against the datasheet when migrating.
Where can I buy the ATSAME51J19A-MF online?
The ATSAME51J19A-MF can be ordered from authorized distributors including DigiKey, Mouser, and LCSC Electronics, with unit pricing starting at approximately USD 6.40 at qty-1 and dropping to roughly USD 4.05 per unit at qty-1000 as of 2026-09-21. Lead time on distributor stock is typically 4-8 weeks for production volumes; confirm via Octopart for current distributor inventory.
What is the price of the ATSAME51J19A-MF in 100-piece quantities?
The ATSAME51J19A-MF list price at qty-100 is approximately USD 5.18 per unit as of 2026-09-21, sourced from LCSC Electronics public pricing. Volume breaks at 500 and 1000 pieces further reduce unit cost to roughly USD 4.62 and USD 4.05 respectively. For OEM contracts, contact Microchip franchised distributors for rolling forecast pricing.
What is the lead time for the ATSAME51J19A-MF?
Lead time for the ATSAME51J19A-MF from authorized distributors (DigiKey, Mouser) is typically 6-10 weeks in production quantities as of 2026-09-21, based on current distributor listings. Sample quantities are usually in stock. Check Octopart for real-time stock across multiple distributors before placing an order.
ATSAME51J19A-MF vs ATSAME53J19A - which is better for USB audio applications?
The ATSAME51J19A-MF includes two CAN-FD controllers and a Cortex-M4F core, while the ATSAME53J19A adds a high-speed USB and I2S for richer audio streaming. For pure USB-CAN bridge applications the SAM E51 is the right choice; for USB audio bridges or PDM/PCM microphones consider SAM E53.
Can ATSAME51J19A-MFT replace ATSAME51J19A-MF?
Yes, the ATSAME51J19A-MFT is the tape-and-reel packaging variant of the ATSAME51J19A-MF and is fully drop-in compatible in the same 64-pin QFN package. The only difference is the shipping media: tray for the -MF and 1000-unit reel for the -MFT. Specified electrical parameters are identical.
When should I choose ATSAME51J19A-MF over ATSAMD51J19A-MF?
Choose the ATSAME51J19A-MF when your design needs CAN-FD or extended industrial temperature range up to +125C. Choose the ATSAMD51J19A-MF when you need Cortex-M4F but do not require CAN-FD and operate in commercial temperature. Both share the 64-pin QFN footprint and the same peripheral set.
What is the best drop-in replacement for ATSAME51J19A-MF?
The best drop-in replacement for ATSAME51J19A-MF is the ATSAME51J19A-MFT (tape and reel variant) or the automotive-grade ATSAME51J19A-AUT-EFP if AEC-Q100 is required. All three share the same silicon, 64-pin QFN package, and pinout, with only packaging or qualification differing.
Where can I download the ATSAME51J19A-MF datasheet PDF?
The ATSAME51J19A-MF datasheet PDF is available for download on Microchip's official product page under the Documentation tab. Microchip also publishes the SAM E51 Family Datasheet covering ATSAME51J19A, J18A, G19A, and G18A derivatives. Registration on Microchip.com may be required for the latest revision.
Where can I find the ATSAME51J19A-MF pinout diagram?
The 64-pin QFN pinout for the ATSAME51J19A-MF is in the SAM E51 family datasheet, Section 6 (Pinout). The XAIPART product page also displays a labeled pinout diagram and the 9x9 mm land-pattern recommendation for PCB layout.
What is the operating voltage of the ATSAME51J19A-MF?
The ATSAME51J19A-MF operates from 1.71 V to 3.63 V on VDDIN/VDDIO. The internal 1.2V core regulator is supplied from VDDIN. Decouple VDDIN with a 4.7 uF bulk capacitor and VDDIO with a 1 uF X7R ceramic placed within 3 mm of the pin.

Справочные инженерные данные для ATSAME51J19A-MF — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose ATSAME51J19A-MF when you need an industrial-grade 120 MHz Cortex-M4F MCU with two CAN-FD channels, full-speed USB, and 512 KB Flash in a 9x9 mm QFN, and your design operates from -40C to +125C. Replace with ATSAME51J19A-MFT if you need tape-and-reel packaging for high-volume SMT assembly (same silicon and footprint). Replace with ATSAME51J19A-AUT-EFP for AEC-Q100 production; the silicon is identical, only the qualification tier changes. Replace with ATSAME51J18A-MFT if 256 KB Flash is acceptable, saving roughly 10% unit cost. Replace with ATSAME51G19A-MFT if CAN-FD is unnecessary, gaining the same peripherals for a lower price. Replace with ATSAMD51J19A-MF if CAN-FD is unnecessary AND commercial temperature range suffices.

Сравнение с аналогами

Параметр Этот товар ATSAME51J19A-MFT ATSAME51J19A-AUT-EFP ATSAME51J18A-MFT ATSAME51G19A-MFT ATSAMD51J19A-MF ATSAMD51J20A-MF
Package 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm) 64-pin QFN (9x9 mm)
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Flash 512 KB 512 KB 512 KB 256 KB 512 KB 512 KB 1 MB
SRAM 192 KB 192 KB 192 KB 192 KB 192 KB 192 KB 256 KB
CAN-FD 2x CAN-FD 2x CAN-FD 2x CAN-FD 2x CAN-FD None None None
Operating Temperature -40C to +125C -40C to +125C -40C to +125C (AEC-Q100) -40C to +125C -40C to +125C -40C to +85C -40C to +85C
USB USB 2.0 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 Full-Speed USB 2.0 Full-Speed + HS
Core Cortex-M4F Cortex-M4F Cortex-M4F Cortex-M4F Cortex-M4F Cortex-M4F Cortex-M4F
Unit Price (qty-1000) USD 4.05 USD 4.05 (estimated) USD 5.20 (estimated) USD 3.65 (estimated) USD 3.85 (estimated) USD 3.75 (estimated) USD 4.95 (estimated)

Ключевые отличия

  • Includes two CAN-FD controllers in the same QFN-64 footprint (против ATSAME51G19A-MFT)
  • Industrial extended temperature range -40C to +125C (против ATSAMD51J19A-MF)
  • Dual-panel Flash for fail-safe in-field updates (против ATSAMD51J20A-MF)

Заметки по проектированию

Place a 4.7 uF X7R ceramic bypass on VDDIN (pin 19 and pin 57) within 3 mm of the pins and a 1 uF X7R on each VDDIO (pins 7, 38, 64). The internal 1.2V LDO requires these capacitors to meet the 5V-tolerance and USB inrush specifications. Use a star-ground topology with the QFN exposed pad as the single-point ground tie to the PCB ground plane.

Solder the QFN-64 exposed thermal pad (pin 65) directly to a continuous ground-pour region no smaller than 25 mm x 25 mm to achieve the datasheet thermal resistance. Place at least 12 thermal vias (0.3 mm drill, 0.5 mm pitch) under the pad connecting top and inner ground planes. Avoid routing signal traces beneath the QFN body.

SAM E51 SERCOM channels are multiplexed - mis-assigning pin-mux in Atmel START / MPLAB Harmony is the most common first-prototype pitfall. Confirm SERCOM PAD assignments against the 'I/O Multiplexing and Considerations' table in the datasheet before committing PCB layout. Also configure NVMCTRL to use dual-panel Flash mode before enabling FOTA, otherwise the bootloader cannot reflash the live application.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

Standard ATSAME51J19A-MF is not AEC-Q100 qualified. Choose ATSAME51J19A-AUT-EFP variant for AEC-Q100 Grade 1 automotive qualification. RoHS and REACH compliance per Microchip product environmental compliance documentation.

Данные проверены: 2026-09-21 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Microchip Technology ATSAME51J19A-MF ATSAME51J19A-MFT ATSAME51J19A-AUT-EFP ATSAME51J18A-MFT ATSAME51G19A-MFT ATSAMD51J19A-MF ATSAMD51J20A-MF ARM Cortex-M4F FPU CAN-FD USB 2.0 Full-Speed QFN-64 SAM E51 RoHS REACH AEC-Q100 SERCOM DSP extensions AES hardware accelerator dual-panel Flash industrial motor control BLDC FOC I2S I2C SPI
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