ATSAME51J19A-MFT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
Référence : ATSAME51J19A-MFT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.42 | $9,42 |
| 10 | $8.52 | $85,20 |
| 100 | $7.34 | $734,00 |
| 500 | $6.45 | $3 225,00 |
| 1 000 | $5.78 | $5 780,00 |
ATSAME51J19A-MFT Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one package. The Cortex-M4F architecture places the ATSAME51J19A-MFT within the broader hierarchy of: microcontroller -> embedded processor -> 32-bit MCU -> ARM Cortex-M family -> Cortex-M4 class (with FPU). It is positioned above Cortex-M0/M0+ for performance-sensitive tasks and below Cortex-M7/M33 in Microchip's SAM lineup.
Key features include 120 MHz Cortex-M4F core with DSP extensions, 512 KB Flash with ECC, 192 KB SRAM, 16 KB cache, and up to 51 GPIO. The integrated FPU accelerates floating-point math for sensor fusion and motor control loops, while the 1 MSPS ADC supports precision analog sampling. Dedicated peripherals such as the SERCOM (configurable serial communication) blocks, QSPI for external memory, and an Ethernet MAC interface expand the device's connectivity options.
The ATSAME51J19A-MFT utilizes Microchip's proprietary SAM E51 architecture optimized for low-power mixed-signal applications. Dual-Panel Flash allows simultaneous read-while-write operation, enabling live firmware updates without halting execution. The peripheral event system enables hardware-triggered inter-peripheral signaling without CPU intervention, reducing latency for time-critical applications such as motor control and high-speed data acquisition.
Typical applications include industrial automation controllers, building automation gateways, USB-connected sensor hubs, automotive body electronics, and consumer IoT edge nodes. The combination of CAN-FD, USB, and Ethernet makes it particularly well-suited for industrial networking and connected-device applications requiring deterministic communication.
When designing with the ATSAME51J19A-MFT, pay close attention to the QFN-64 thermal pad layout - the exposed pad must be soldered to a sufficiently large copper pour for heat dissipation and ground return. The internal 48 MHz DFLL should be calibrated against the USB SOF framing for clock accuracy in USB Full-Speed applications.
This page synthesizes distributor pricing, drop-in alternatives from Microchip's SAM E51 and SAMD51 families, and practical design notes not found on the manufacturer datasheet.
Alternatives de remplacement direct pour ATSAME51J19A-MFT — 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-MFT (même facteur de forme et même empreinte) — différant par Package, ADC, SRAM, USB, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
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 →ATSAMD51J20A-MFT
✅ Remplacement direct✓ En stock
$5.1 / unité
Voir la fiche technique →ATSAMD51J19A-MF
✅ Remplacement direct✓ En stock
$5.4 / unité
Voir la fiche technique →ATSAME51J19A-MFT Valeurs maximales et caractéristiques électriques
| Core Architecture | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 512 KB with ECC |
| SRAM | 192 KB |
| Cache | 16 KB |
| Operating Voltage Range | 1.71 V to 3.6 V |
| GPIO Count | 51 |
| ADC | 12-bit, up to 1 MSPS, 16 channels |
| DAC | 12-bit, 2 channels |
| USB | USB 2.0 Full-Speed Device/Host |
| CAN | CAN-FD |
| Communication Interfaces | SERCOM (UART/SPI/I2C), QSPI, I2S, Ethernet MAC |
| Boîtier | 64-pin QFN (9x9 mm) |
| Température de fonctionnement | -40C to +125C (Extended Industrial) |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
Configuration des broches de ATSAME51J19A-MFT
| Broche 1 | PA00 — GPIO / SERCOM1.0 / ADC0 |
| Broche 2 | PA01 — GPIO / SERCOM1.1 / ADC0 |
| Broche 3 | PA02 — GPIO / SERCOM2.0 / ADC0 |
| Broche 4 | PA03 — GPIO / SERCOM2.1 / ADC0 |
| Broche 5 | PA04 — GPIO / SERCOM0.0 / ADC0 |
| Broche 6 | PA05 — GPIO / SERCOM0.1 / ADC0 |
| Broche 7 | PA06 — GPIO / SERCOM0.2 / ADC0 |
| Broche 8 | PA07 — GPIO / SERCOM0.3 / ADC0 |
| Broche 9 | VDDIO — I/O Supply Voltage |
| Broche 10 | GND — Ground |
| Broche 11 | PA08 — GPIO / SERCOM2.0 / ADC0 |
| Broche 12 | PA09 — GPIO / SERCOM2.1 / ADC0 |
| Broche 13 | PA10 — GPIO / SERCOM2.2 / ADC0 |
| Broche 14 | PA11 — GPIO / SERCOM2.3 / ADC0 |
| Broche 15 | VDDIO — I/O Supply Voltage |
| Broche 16 | PA12 — GPIO / SERCOM4.0 |
| Broche 17 | PA13 — GPIO / SERCOM4.1 |
| Broche 18 | PA14 — GPIO / SERCOM4.2 |
| Broche 19 | PA15 — GPIO / SERCOM4.3 |
| Broche 20 | PA16 — GPIO / SERCOM1.0 / I2S |
| Broche 21 | PA17 — GPIO / SERCOM1.1 / I2S |
| Broche 22 | PA18 — GPIO / SERCOM1.2 / I2S |
| Broche 23 | PA19 — GPIO / SERCOM1.3 / I2S |
| Broche 24 | PA20 — GPIO / SERCOM3.0 |
| Broche 25 | PA21 — GPIO / SERCOM3.1 |
| Broche 26 | PA22 — GPIO / SERCOM3.2 |
| Broche 27 | PA23 — GPIO / SERCOM3.3 |
| Broche 28 | PA24 — GPIO / SERCOM5.2 / USB_DM |
| Broche 29 | PA25 — GPIO / SERCOM5.3 / USB_DP |
| Broche 30 | GND — Ground |
| Broche 31 | VDDIO — I/O Supply Voltage |
| Broche 32 | PB00 — GPIO / SERCOM5.0 |
| Broche 33 | PB01 — GPIO / SERCOM5.1 |
| Broche 34 | PB02 — GPIO / SERCOM5.2 |
| Broche 35 | PB03 — GPIO / SERCOM5.3 |
| Broche 36 | PB04 — GPIO / SERCOM3.0 |
| Broche 37 | PB05 — GPIO / SERCOM3.1 |
| Broche 38 | PB06 — GPIO / SERCOM3.2 |
| Broche 39 | PB07 — GPIO / SERCOM3.3 |
| Broche 40 | PB08 — GPIO / SERCOM4.0 / ADC0 |
| Broche 41 | PB09 — GPIO / SERCOM4.1 / ADC0 |
| Broche 42 | PB10 — GPIO / SERCOM4.2 / ADC0 |
| Broche 43 | PB11 — GPIO / SERCOM4.3 / ADC0 |
| Broche 44 | PB12 — GPIO / SERCOM4.0 |
| Broche 45 | PB13 — GPIO / SERCOM4.1 |
| Broche 46 | PB14 — GPIO / SERCOM4.2 |
| Broche 47 | PB15 — GPIO / SERCOM4.3 |
| Broche 48 | PB16 — GPIO / SERCOM5.0 |
| Broche 49 | PB17 — GPIO / SERCOM5.1 |
| Broche 50 | PB18 — GPIO / SERCOM5.2 |
| Broche 51 | PB19 — GPIO / SERCOM5.3 |
| Broche 52 | PB20 — GPIO / SERCOM3.0 |
| Broche 53 | PB21 — GPIO / SERCOM3.1 |
| Broche 54 | PB22 — GPIO / SERCOM3.2 |
| Broche 55 | PB23 — GPIO / SERCOM3.3 |
| Broche 56 | PB24 — GPIO / SERCOM0.0 / CAN0_TX |
| Broche 57 | PB25 — GPIO / SERCOM0.1 / CAN0_RX |
| Broche 58 | VDDIO — I/O Supply Voltage |
| Broche 59 | GND — Ground |
| Broche 60 | VDD — Core Supply Voltage |
| Broche 61 | VSW — Switching Regulator Output |
| Broche 62 | VDDIO — I/O Supply Voltage |
| Broche 63 | RESET_N — Reset (active low) |
| Broche 64 | GND — Ground (Thermal Pad) |
Applications typiques
ATSAME51J19A-MFT convient pour 6 applications: Industrial Automation Controllers, Building Automation Gateways, USB-Connected Sensor Hubs, Automotive Body Electronics, Consumer IoT Edge Nodes, Test and Measurement Instruments.
Industrial Automation Controllers
The ATSAME51J19A-MFT's 120 MHz Cortex-M4F with FPU executes real-time control loops for PLCs and motor drives with sub-microsecond latency. Its 1 MSPS ADC samples three-phase current and voltage feedback at 50 kHz PWM rates, while the CAN-FD port links to industrial sensor networks and distributed I/O backplanes. The 512 KB Dual-Panel Flash enables live firmware updates without halting operation, critical for continuous-process plants.
Recommandé
Building Automation Gateways
Building automation gateways benefit from the ATSAME51J19A-MFT's Ethernet MAC and USB Host for connecting to BACnet, Modbus, and KNX fieldbus segments. The 192 KB SRAM accommodates TCP/IP stacks and message buffers for multi-protocol bridging, while SERCOM ports handle UART-based sensor clusters. Industrial -40C to +125C operation ensures reliability in unconditioned mechanical rooms.
Recommandé
USB-Connected Sensor Hubs
The ATSAME51J19A-MFT integrates a USB 2.0 Full-Speed Device/Host controller with on-chip transceiver, eliminating external PHY components for USB sensor hubs. At 120 MHz, the Cortex-M4F can aggregate data from 10+ sensors via SERCOM (I2C/SPI) and stream processed telemetry over USB at 12 Mbps. The internal 3.3V USB regulator simplifies bus-powered designs.
Recommandé
Automotive Body Electronics
The CAN-FD controller makes the ATSAME51J19A-MFT suitable for body control modules, lighting controllers, and HVAC panels communicating at 2 Mbps on modern vehicle networks. The 120 MHz FPU executes sensor fusion for ambient light and climate control while maintaining headroom for LIN/SERCOM secondary networks. The 64-pin QFN provides compact mounting for space-constrained dashboards.
Recommandé
Consumer IoT Edge Nodes
Battery-friendly edge nodes leverage the ATSAME51J19A-MFT's SERCOM, ADC, and low-power sleep modes for always-on IoT devices. The Cortex-M4F processes sensor data locally before waking the radio, reducing average power by 10x compared to cloud-only architectures. USB-C charging support and 512 KB Flash accommodate over-the-air update payloads.
Recommandé
Test and Measurement Instruments
Portable test instruments use the ATSAME51J19A-MFT's 1 MSPS ADC for high-bandwidth signal acquisition and the Cortex-M4F for real-time DSP filtering. USB Full-Speed delivers 1 MSa/s data streams to host PCs, while 192 KB SRAM buffers capture windows up to 50 ms. The industrial temperature range supports field-deployed calibration equipment.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAME51J19A-MFT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAME51J18A-MFT | ATSAME51G19A-MFT | ATSAMD51J20A-MFT | ATSAMD51J19A-MF |
|---|---|---|---|---|---|
| Package | 64-pin QFN (9x9 mm) | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz | Cortex-M4F @ 120 MHz |
| Flash Memory | 512 KB | 256 KB | 512 KB | 1 MB | 512 KB |
| SRAM | 192 KB | 192 KB | 64 KB | 256 KB | 192 KB |
| CAN-FD | Yes | Yes | Yes | No | No |
| USB | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Principaux différenciateurs
- Integrated CAN-FD controller on a Cortex-M4F MCU (vs ATSAMD51J19A-MF)
- Doubled SRAM vs E51G19A variant (vs ATSAME51G19A-MFT)
- Dual-Panel Flash for live firmware updates (vs ATSAME51J18A-MFT)
Notes de conception
The 64-pin QFN package uses an exposed thermal pad that MUST be soldered to a top-layer copper pour of at least 25 mm x 25 mm for proper heat dissipation. Without this, junction temperature can rise 15-20 C above ambient at full 120 MHz operation. Multiple thermal vias under the pad (0.3 mm drill, 0.6 mm pitch) provide low-impedance thermal paths to inner ground planes.
Place 100 nF decoupling capacitors within 2 mm of each VDDIO pin and a single 4.7 uF bulk capacitor near the package. The internal switching regulator (VSW pin) requires an external 4.7 uH inductor and 4.7 uF output capacitor. Estimated: at 120 MHz active and 3.3V supply, core current draw is approximately 25 mA, with peaks to 40 mA during peripheral activity.
When migrating from SAMD51 to SAME51, verify your firmware does not reference CAN0 registers on the D51 (which lacks CAN-FD). The boot ROM on SAME51 expects the crystal or DFLL to be stable within 10 ms of VDD rise; if not, the device enters a slow-clock fallback. Also note that SERCOM5 pins PA24/PA25 are shared with USB D+/D- and must be configured carefully for USB applications.
Keep the USB DP/DM traces on ATSAME51J19A-MFT to 50 ohms differential impedance and match lengths within 2 mm. Route them on the top layer over a continuous ground plane without vias. The CAN TX/RX lines should also be 50 ohm controlled impedance if traces exceed 25 mm. Place the 12 MHz crystal within 5 mm of XIN/XOUT pins with grounded guard traces.
Informations de conformité
RoHS compliant per Microchip product page. Extended industrial temperature -40C to +125C. Not AEC-Q100 qualified - choose ATSAME51J19A-AUT for automotive applications.
