ATSAME51J19A-MF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
Référence : ATSAME51J19A-MF ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
ATSAME51J19A-MF Présentation
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.
Alternatives de remplacement direct pour ATSAME51J19A-MF — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAME51J19A-MF (même facteur de forme et même empreinte) — différant par Package, SRAM, Operating Temperature, USB, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAME51J19A-MFT
✅ Remplacement direct✓ En stock
$5.78 / unité
Voir la fiche technique →ATSAME51J19A-AUT-EFP
✅ Remplacement direct✓ En stock
$6.45 / unité
Voir la fiche technique →ATSAME51J19A-MUT-EFP
✅ Remplacement direct✓ En stock
$2.43 / unité
Voir la fiche technique →ATSAME51J18A-MFT
✅ Remplacement direct✓ En stock
$4.15 / unité
ATSAME51G19A-MFT
✅ Remplacement direct✓ En stock
$3.95 / unité
Voir la fiche technique →ATSAME51G18A-MFT
✅ Remplacement direct✓ En stock
$3.95 / unité
Voir la fiche technique →ATSAMD51J19A-MF
✅ Remplacement direct✓ En stock
$5.4 / unité
Voir la fiche technique →ATSAMD51J20A-MF
✅ Remplacement direct✓ En stock
$5.2 / unité
Voir la fiche technique →ATSAME51J19A-MF Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 64-pin QFN (9x9 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -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 |
| Statut RoHS | Compliant |
| Niveau MSL | 3 (per JEDEC J-STD-020) |
Configuration des broches de ATSAME51J19A-MF
| Broche 1 | PB00 — General purpose I/O / SERCOM |
| Broche 2 | PB01 — General purpose I/O / SERCOM |
| Broche 3 | PB02 — General purpose I/O / SERCOM / ADC |
| Broche 4 | PB03 — General purpose I/O / SERCOM / ADC |
| Broche 5 | PA00 — General purpose I/O / SERCOM |
| Broche 6 | PA01 — General purpose I/O / SERCOM |
| Broche 7 | VDDIO — Digital I/O supply voltage |
| Broche 8 | GND — Common ground reference |
| Broche 9 | PA02 — General purpose I/O / SERCOM |
| Broche 10 | PA03 — General purpose I/O / SERCOM |
| Broche 11 | PA04 — General purpose I/O / SERCOM / ADC |
| Broche 12 | PA05 — General purpose I/O / SERCOM / ADC |
| Broche 13 | PA06 — General purpose I/O / SERCOM / ADC |
| Broche 14 | PA07 — General purpose I/O / SERCOM / ADC |
| Broche 15 | PA08 — General purpose I/O / SERCOM / I2S |
| Broche 16 | PA09 — General purpose I/O / SERCOM / I2S |
| Broche 17 | PA10 — General purpose I/O / SERCOM |
| Broche 18 | PA11 — General purpose I/O / SERCOM |
| Broche 19 | VDDIN — Voltage regulator input supply |
| Broche 20 | GND — Common ground reference |
| Broche 21 | PA12 — General purpose I/O / SERCOM |
| Broche 22 | PA13 — General purpose I/O / SERCOM |
| Broche 23 | PA14 — General purpose I/O / SERCOM |
| Broche 24 | PA15 — General purpose I/O / SERCOM |
| Broche 25 | PA16 — General purpose I/O / SERCOM / I2S |
| Broche 26 | PA17 — General purpose I/O / SERCOM / I2S |
| Broche 27 | PA18 — General purpose I/O / SERCOM |
| Broche 28 | PA19 — General purpose I/O / SERCOM |
| Broche 29 | PA20 — General purpose I/O / SERCOM |
| Broche 30 | PA21 — General purpose I/O / SERCOM |
| Broche 31 | PA22 — General purpose I/O / SERCOM |
| Broche 32 | PA23 — General purpose I/O / SERCOM / USB |
| Broche 33 | PA24 — General purpose I/O / SERCOM / USB |
| Broche 34 | PA25 — General purpose I/O / SERCOM |
| Broche 35 | PA27 — General purpose I/O / SERCOM |
| Broche 36 | PA28 — General purpose I/O |
| Broche 37 | GND — Common ground reference |
| Broche 38 | VDDIO — Digital I/O supply voltage |
| Broche 39 | PB04 — General purpose I/O / SERCOM |
| Broche 40 | PB05 — General purpose I/O / SERCOM |
| Broche 41 | PB06 — General purpose I/O / SERCOM |
| Broche 42 | PB07 — General purpose I/O / SERCOM |
| Broche 43 | PB08 — General purpose I/O / SERCOM |
| Broche 44 | PB09 — General purpose I/O / SERCOM |
| Broche 45 | PB10 — General purpose I/O / SERCOM |
| Broche 46 | PB11 — General purpose I/O / SERCOM |
| Broche 47 | PB12 — General purpose I/O / SERCOM |
| Broche 48 | PB13 — General purpose I/O / SERCOM |
| Broche 49 | PB14 — General purpose I/O / SERCOM |
| Broche 50 | PB15 — General purpose I/O / SERCOM |
| Broche 51 | PB16 — General purpose I/O / SERCOM |
| Broche 52 | PB17 — General purpose I/O / SERCOM |
| Broche 53 | PB18 — General purpose I/O / SERCOM |
| Broche 54 | PB19 — General purpose I/O / SERCOM |
| Broche 55 | PB20 — General purpose I/O / SERCOM |
| Broche 56 | PB21 — General purpose I/O / SERCOM |
| Broche 57 | VDDIN — Voltage regulator input supply |
| Broche 58 | GND — Common ground reference |
| Broche 59 | PB22 — General purpose I/O / SERCOM |
| Broche 60 | PB23 — General purpose I/O / SERCOM |
| Broche 61 | PB24 — General purpose I/O / SERCOM |
| Broche 62 | PB25 — General purpose I/O / SERCOM |
| Broche 63 | RESET — Active-low reset input |
| Broche 64 | VDDIO — Digital I/O supply voltage |
Applications typiques
ATSAME51J19A-MF convient pour 7 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAME51J19A-MF — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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) |
Principaux différenciateurs
- Includes two CAN-FD controllers in the same QFN-64 footprint (vs ATSAME51G19A-MFT)
- Industrial extended temperature range -40C to +125C (vs ATSAMD51J19A-MF)
- Dual-panel Flash for fail-safe in-field updates (vs ATSAMD51J20A-MF)
Notes de conception
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.
Informations de conformité
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.
