ATSAME51J19A-MFT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
N.º da peça: ATSAME51J19A-MFT ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para ATSAME51J19A-MFT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAME51J19A-MFT (mesmo formato e footprint) — diferindo em Package, ADC, SRAM, USB, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAME51J18A-MFT
✅ Drop-In✓ Em estoque
$4.15 / unidade
ATSAME51G19A-MFT
✅ Drop-In✓ Em estoque
$3.95 / unidade
Ver ficha técnica →ATSAME51G18A-MFT
✅ Drop-In✓ Em estoque
$3.95 / unidade
Ver ficha técnica →ATSAMD51J20A-MFT
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →ATSAMD51J19A-MF
✅ Drop-In✓ Em estoque
$5.4 / unidade
Ver ficha técnica →ATSAME51J19A-MFT Classificações máximas e características elétricas
| 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 |
| Encapsulamento | 64-pin QFN (9x9 mm) |
| Temperatura de operação | -40C to +125C (Extended Industrial) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do ATSAME51J19A-MFT
| Pino 1 | PA00 — GPIO / SERCOM1.0 / ADC0 |
| Pino 2 | PA01 — GPIO / SERCOM1.1 / ADC0 |
| Pino 3 | PA02 — GPIO / SERCOM2.0 / ADC0 |
| Pino 4 | PA03 — GPIO / SERCOM2.1 / ADC0 |
| Pino 5 | PA04 — GPIO / SERCOM0.0 / ADC0 |
| Pino 6 | PA05 — GPIO / SERCOM0.1 / ADC0 |
| Pino 7 | PA06 — GPIO / SERCOM0.2 / ADC0 |
| Pino 8 | PA07 — GPIO / SERCOM0.3 / ADC0 |
| Pino 9 | VDDIO — I/O Supply Voltage |
| Pino 10 | GND — Ground |
| Pino 11 | PA08 — GPIO / SERCOM2.0 / ADC0 |
| Pino 12 | PA09 — GPIO / SERCOM2.1 / ADC0 |
| Pino 13 | PA10 — GPIO / SERCOM2.2 / ADC0 |
| Pino 14 | PA11 — GPIO / SERCOM2.3 / ADC0 |
| Pino 15 | VDDIO — I/O Supply Voltage |
| Pino 16 | PA12 — GPIO / SERCOM4.0 |
| Pino 17 | PA13 — GPIO / SERCOM4.1 |
| Pino 18 | PA14 — GPIO / SERCOM4.2 |
| Pino 19 | PA15 — GPIO / SERCOM4.3 |
| Pino 20 | PA16 — GPIO / SERCOM1.0 / I2S |
| Pino 21 | PA17 — GPIO / SERCOM1.1 / I2S |
| Pino 22 | PA18 — GPIO / SERCOM1.2 / I2S |
| Pino 23 | PA19 — GPIO / SERCOM1.3 / I2S |
| Pino 24 | PA20 — GPIO / SERCOM3.0 |
| Pino 25 | PA21 — GPIO / SERCOM3.1 |
| Pino 26 | PA22 — GPIO / SERCOM3.2 |
| Pino 27 | PA23 — GPIO / SERCOM3.3 |
| Pino 28 | PA24 — GPIO / SERCOM5.2 / USB_DM |
| Pino 29 | PA25 — GPIO / SERCOM5.3 / USB_DP |
| Pino 30 | GND — Ground |
| Pino 31 | VDDIO — I/O Supply Voltage |
| Pino 32 | PB00 — GPIO / SERCOM5.0 |
| Pino 33 | PB01 — GPIO / SERCOM5.1 |
| Pino 34 | PB02 — GPIO / SERCOM5.2 |
| Pino 35 | PB03 — GPIO / SERCOM5.3 |
| Pino 36 | PB04 — GPIO / SERCOM3.0 |
| Pino 37 | PB05 — GPIO / SERCOM3.1 |
| Pino 38 | PB06 — GPIO / SERCOM3.2 |
| Pino 39 | PB07 — GPIO / SERCOM3.3 |
| Pino 40 | PB08 — GPIO / SERCOM4.0 / ADC0 |
| Pino 41 | PB09 — GPIO / SERCOM4.1 / ADC0 |
| Pino 42 | PB10 — GPIO / SERCOM4.2 / ADC0 |
| Pino 43 | PB11 — GPIO / SERCOM4.3 / ADC0 |
| Pino 44 | PB12 — GPIO / SERCOM4.0 |
| Pino 45 | PB13 — GPIO / SERCOM4.1 |
| Pino 46 | PB14 — GPIO / SERCOM4.2 |
| Pino 47 | PB15 — GPIO / SERCOM4.3 |
| Pino 48 | PB16 — GPIO / SERCOM5.0 |
| Pino 49 | PB17 — GPIO / SERCOM5.1 |
| Pino 50 | PB18 — GPIO / SERCOM5.2 |
| Pino 51 | PB19 — GPIO / SERCOM5.3 |
| Pino 52 | PB20 — GPIO / SERCOM3.0 |
| Pino 53 | PB21 — GPIO / SERCOM3.1 |
| Pino 54 | PB22 — GPIO / SERCOM3.2 |
| Pino 55 | PB23 — GPIO / SERCOM3.3 |
| Pino 56 | PB24 — GPIO / SERCOM0.0 / CAN0_TX |
| Pino 57 | PB25 — GPIO / SERCOM0.1 / CAN0_RX |
| Pino 58 | VDDIO — I/O Supply Voltage |
| Pino 59 | GND — Ground |
| Pino 60 | VDD — Core Supply Voltage |
| Pino 61 | VSW — Switching Regulator Output |
| Pino 62 | VDDIO — I/O Supply Voltage |
| Pino 63 | RESET_N — Reset (active low) |
| Pino 64 | GND — Ground (Thermal Pad) |
Aplicações típicas
ATSAME51J19A-MFT é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAME51J19A-MFT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
RoHS compliant per Microchip product page. Extended industrial temperature -40C to +125C. Not AEC-Q100 qualified - choose ATSAME51J19A-AUT for automotive applications.
