ATSAME51G19A-MUT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
N.º de pieza: ATSAME51G19A-MUT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $7.92 | $7,92 |
| 10 | $7.13 | $71,30 |
| 100 | $6.34 | $634,00 |
| 500 | $5.68 | $2.840,00 |
| 1.000 | $5.04 | $5.040,00 |
ATSAME51G19A-MUT Descripción general
What is a Cortex-M4F microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and SRAM), and peripherals (timers, ADC, communication interfaces) into one package. The Cortex-M4F variant adds a hardware Floating Point Unit (FPU) and DSP extensions, enabling efficient math for sensor fusion, motor control, and audio processing. Within Microchip's portfolio, the SAM E51 family sits in the mid-performance tier: SAM D2x/D1x < SAM D5x/E5x < SAME70/SAMS70 in raw processing and integration. The 'E51' sub-family adds CAN-FD support on top of the D51 feature set, making it well suited for industrial automation and connected embedded designs.
Key features include an integrated Cortex-M4F core with FPU and DSP instructions, 512 KB dual-panel Flash with ECC, up to 192 KB SRAM with ECC, a 12-bit 1 MSPS ADC, 16-bit PWM timers, and a rich set of peripherals: USB 2.0 Full-Speed, CAN 2.0A/B and CAN-FD, I2S, SPI, I2C, and SERCOM. The 48-pin QFN package provides 37 programmable I/O pins, leaving enough headroom for SPI/I2C buses, motor control PWMs, and analog front-end connections.
Technically, the SAM E51 family supports SleepWalking peripherals and Event System for low-power operation, the integrity of which is preserved by ECC on Flash and SRAM. The 120 MHz operation combined with the M4F pipeline delivers up to 150 CoreMark, balancing throughput with deterministic interrupt latency required by real-time control loops.
Typical applications include industrial control, IoT gateways, USB peripherals, CAN-FD automotive nodes, building automation, and human-machine interface (HMI) panels. The wide 1.71V-3.6V supply range and industrial temperature grade extend use into factory-floor and outdoor environments.
When designing with the ATSAME51G19A-MUT, prefer the ASF4/MPLAB Harmony 3 framework and configure the GCLK generators before peripheral clocking. The 48-pin QFN exposed pad must be soldered to the ground plane to keep junction temperature within the 125C limit under full CPU load.
Alternativas directas para ATSAME51G19A-MUT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATSAME51G19A-MUT (mismo factor de forma y huella) — difiere en ADC, SRAM, DAC, Operating Temperature, Core.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAME51G19A-MU-EFP
✅ Sustitución directa✓ En stock
$5.2 / unidad
Ver hoja de datos →ATSAME51G19A-MU
✅ Sustitución directa✓ En stock
$5.65 / unidad
Ver hoja de datos →ATSAME51G19A-MFT
✅ Sustitución directa✓ En stock
$3.95 / unidad
Ver hoja de datos →ATSAME51G18A-MU-EFP
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$5.14 / unidad
Ver hoja de datos →ATSAME51G18A-MU
✅ Sustitución directa✓ En stock
$4.35 / unidad
Ver hoja de datos →ATSAME51G18A-MFT
✅ Sustitución directa✓ En stock
$3.95 / unidad
Ver hoja de datos →ATSAME51G19A-MUT Valores máximos y características eléctricas
| Core | ARM Cortex-M4F with FPU |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 512 KB (dual-panel, ECC) |
| SRAM | 192 KB (ECC) |
| Operating Voltage | 1.71 V to 3.6 V |
| Temperatura de funcionamiento | -40C to +85C (industrial) |
| Encapsulado | 48-QFN (7x7 mm) |
| Programmable I/O Pins | 37 |
| ADC | 12-bit, 1 MSPS, up to 16 channels |
| DAC | 12-bit, 1 MSPS, 2 channels |
| Communication Interfaces | USB 2.0 Full-Speed, CAN 2.0A/B and CAN-FD, 6x SERCOM (UART/I2C/SPI), I2S |
| Timers/Counters | 16-bit TCC (PWM), RTC, 24-bit SysTick |
| Tipo de montaje | Surface Mount |
| Nivel MSL | 3 (168 hours) |
| Estado RoHS | Compliant |
Configuración de pines de ATSAME51G19A-MUT
| Pin 1 | PA00 — GPIO / TCC2 WO[0] / SERCOM1 PAD[0] |
| Pin 2 | PA01 — GPIO / TCC2 WO[1] / SERCOM1 PAD[1] |
| Pin 3 | PA02 — GPIO / Analog input / SERCOM0 PAD[0] |
| Pin 4 | PA03 — GPIO / Analog input / SERCOM0 PAD[1] |
| Pin 5 | GND — Ground |
| Pin 6 | VDDIO — I/O supply voltage (1.71V-3.6V) |
| Pin 7 | PA04 — GPIO / Analog input / SERCOM0 PAD[2] |
| Pin 8 | PA05 — GPIO / Analog input / SERCOM0 PAD[3] |
| Pin 9 | PA06 — GPIO / SERCOM0 PAD[0] (alt) |
| Pin 10 | PA07 — GPIO / SERCOM0 PAD[1] (alt) |
| Pin 11 | PA08 — GPIO / NMI / SERCOM0 PAD[0] |
| Pin 12 | PA09 — GPIO / SERCOM0 PAD[1] |
| Pin 13 | PA10 — GPIO / SERCOM0 PAD[2] |
| Pin 14 | PA11 — GPIO / SERCOM0 PAD[3] |
| Pin 15 | VDDIO — I/O supply voltage |
| Pin 16 | GND — Ground |
| Pin 17 | PA12 — GPIO / SERCOM2 PAD[0] |
| Pin 18 | PA13 — GPIO / SERCOM2 PAD[1] |
| Pin 19 | PA14 — GPIO / SERCOM2 PAD[2] |
| Pin 20 | PA15 — GPIO / SERCOM2 PAD[3] |
| Pin 21 | PA16 — GPIO / SERCOM1 PAD[0] / I2S SD[0] |
| Pin 22 | PA17 — GPIO / SERCOM1 PAD[1] / I2S FS[0] |
| Pin 23 | PA18 — GPIO / SERCOM1 PAD[2] / I2S SCK[0] |
| Pin 24 | PA19 — GPIO / SERCOM1 PAD[3] / I2S MCK[0] |
| Pin 25 | PA20 — GPIO / SERCOM3 PAD[0] / USB DP |
| Pin 26 | PA21 — GPIO / SERCOM3 PAD[1] / USB DM |
| Pin 27 | PA22 — GPIO / SERCOM3 PAD[2] |
| Pin 28 | PA23 — GPIO / SERCOM3 PAD[3] |
| Pin 29 | PA24 — GPIO / SERCOM4 PAD[0] / USB SOF |
| Pin 30 | PA25 — GPIO / SERCOM4 PAD[1] / USB ID |
| Pin 31 | PB22 — GPIO / SERCOM5 PAD[0] |
| Pin 32 | PB23 — GPIO / SERCOM5 PAD[1] |
| Pin 33 | PA27 — GPIO / SERCOM5 PAD[2] |
| Pin 34 | PA28 — GPIO / SERCOM5 PAD[3] |
| Pin 35 | PA30 — GPIO / SERCOM7 PAD[0] / CAN0 TX |
| Pin 36 | PA31 — GPIO / SERCOM7 PAD[1] / CAN0 RX |
| Pin 37 | PB02 — GPIO / SERCOM5 PAD[0] (alt) / CAN1 TX |
| Pin 38 | PB03 — GPIO / SERCOM5 PAD[1] (alt) / CAN1 RX |
| Pin 39 | GND — Ground (exposed pad) |
| Pin 40 | VDDIO — I/O supply voltage |
| Pin 41 | VDD — Core supply voltage (1.71V-3.6V) |
| Pin 42 | PB08 — GPIO / SERCOM4 PAD[0] |
| Pin 43 | PB09 — GPIO / SERCOM4 PAD[1] |
| Pin 44 | PB10 — GPIO / SERCOM4 PAD[2] |
| Pin 45 | PB11 — GPIO / SERCOM4 PAD[3] |
| Pin 46 | PB12 — GPIO / SERCOM6 PAD[0] |
| Pin 47 | PB13 — GPIO / SERCOM6 PAD[1] |
| Pin 48 | RESET — Reset input, active low |
Aplicaciones típicas
ATSAME51G19A-MUT es adecuado para 7 aplicacións: Industrial Control PLC Module, USB HID / CDC Peripheral, IoT Gateway / Sensor Hub, CAN-FD Automotive Body Node, Motor Control / FOC Drive, Human-Machine Interface (HMI) Display, Building Automation Controller.
Industrial Control PLC Module
The ATSAME51G19A-MUT's 120 MHz Cortex-M4F with FPU and DSP extensions is well suited for industrial PLC input/output modules executing ladder-logic or IEC 61131-3 control loops. Its two CAN-FD controllers provide modern fieldbus connectivity (CANopen, DeviceNet) while the 16-bit TCC timers drive precise PWM outputs for proportional valve or motor control. The 192 KB ECC SRAM holds protocol stacks and PID control variables without external memory. With industrial -40C to +85C temperature grade and 1.71V-3.6V supply tolerance, the MUT handles 24V-rectified industrial rails. Pair with the ATSAME51G19A-MU-EFP for the same firmware image across temperature grades, and use the MCP2518FD external CAN-FD controller if additional buses are required.
Recomendado
USB HID / CDC Peripheral
The ATSAME51G19A-MUT integrates a USB 2.0 Full-Speed device/host controller with internal pull-up and on-chip transceiver, eliminating external PHY cost for HID, CDC, or vendor-class peripherals. The 192 KB SRAM comfortably buffers USB audio or bulk transfer streams without external memory, while 512 KB Flash holds the USB stack plus application firmware. Its 120 MHz Cortex-M4F executes USB protocol tasks with low interrupt latency thanks to the NVIC and 4-level priority. The 48-QFN package exposes dedicated USB DP/DM pins routed directly to the connector. Pair with a USBLC6-2SC6 for ESD protection on the bus pins, and use the ATSAMD51G19A-MFT if you prefer the SAM D51 subset.
Recomendado
IoT Gateway / Sensor Hub
The ATSAME51G19A-MUT serves as an IoT edge node aggregating sensor data from SPI or I2C peripherals and forwarding it over Wi-Fi, BLE, or CAN-FD. Its Cortex-M4F DSP engine accelerates sensor-fusion math (FFT, matrix multiply) at low power, while dual-panel 512 KB Flash supports OTA firmware updates. The 37 GPIO pins allow multiple SERCOM buses to be assigned concurrently, enabling simultaneous Wi-Fi, display, and sensor links. The 1.71V-3.6V supply range supports direct Li-ion battery operation with internal DC-DC. Pair with an ATWINC1500 Wi-Fi module or ATSAMW25 for integrated wireless MCU, and consider an MCP9808 temperature sensor for thermal monitoring of the gateway enclosure.
Recomendado
CAN-FD Automotive Body Node
The ATSAME51G19A-MUT is targeted at CAN-FD body-comfort nodes such as seat controllers, mirror modules, or HVAC flaps. Its two CAN-FD controllers support up to 8 MBd bit rates, easing migration from classic CAN. The Cortex-M4F core executes AUTOSAR-compliant body-control software in 512 KB Flash with ECC for ASIL-B capable systems. Industrial -40C to +85C operation covers cabin environments, while the 48-QFN footprint allows compact PCB integration behind door panels. Pair with the MCP2518FD if redundant CAN channels are required, the TLE7259-3GE for CAN transceiver, and the ATSAME51G19A-MU-EFP for grade-1 extended temperature qualification.
Recomendado
Motor Control / FOC Drive
Field-oriented control of a 3-phase BLDC or PMSM motor requires deterministic PWM and fast math - both delivered by the ATSAME51G19A-MUT's Cortex-M4F with FPU and DSP at 120 MHz. The 16-bit TCC timers generate complementary PWMs with 24 ns resolution, while the 1 MSPS 12-bit ADC samples phase currents in alignment with the PWM edge to minimize switching noise. Up to 192 KB SRAM stores observer state and PI-controller variables. The 48-QFN exposed pad dissipates heat when driving high-side FETs at high duty cycle. Pair with the MCP8024 3-phase BLDC gate driver, an MCP6C04 zero-drift current-sense amplifier, and use the ATSAME51G19A-MU-EFP for higher-grade industrial variants.
Recomendado
Human-Machine Interface (HMI) Display
The ATSAME51G19A-MUT drives small TFT or OLED HMI panels through its SPI/I2S peripherals, with the Cortex-M4F handling touch-coordinate filtering, button debouncing, and graphics asset decompression in real time. The 192 KB SRAM stores frame buffers and LVGL objects for screens up to about 320x240 with 16-bit color. USB Full-Speed is used for firmware upgrade or PC commissioning, while CAN-FD links the HMI to the central body controller. Industrial temperature grade supports outdoor kiosks. Pair with an AR1021 resistive touch controller or an FT6206 capacitive touch controller, and a TPS2051B USB power switch for hot-plug protection.
Recomendado
Building Automation Controller
The ATSAME51G19A-MUT serves as a building-automation controller aggregating BACnet, Modbus, or KNX bus traffic. Its dual CAN-FD controllers handle BACnet MS/TP at higher bit rates, while the 6 SERCOM buses simultaneously run UART-based Modbus and SPI sensor links. The dual-panel Flash with ECC supports secure OTA updates required for connected building systems. Industrial temperature operation covers unheated equipment rooms. Pair with an MCP2518FD for additional CAN-FD buses, a KSZ8061 Ethernet PHY for BACnet/IP, and an ATSAMW25 module if wireless commissioning is desired.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAME51G19A-MUT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAME51G19A-MU-EFP | ATSAME51G19A-MU | ATSAME51G19A-MFT | ATSAME51G18A-MU-EFP |
|---|---|---|---|---|---|
| Package | 48-QFN (7x7 mm) | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same | 48-QFN (7x7 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 | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 192 KB | 192 KB | 192 KB | 192 KB | 128 KB |
| CAN-FD | Yes (2x) | Yes (2x) | Yes (2x) | Yes (2x) | Yes (2x) |
| USB 2.0 | Full-Speed device/host | Full-Speed device/host | Full-Speed device/host | Full-Speed device/host | Full-Speed device/host |
| Operating Temperature | -40C to +85C | -40C to +125C (EFP) | -40C to +85C | -40C to +85C | -40C to +125C (EFP) |
Diferenciadores clave
- Dual CAN-FD controllers in mid-tier MCU (frente a ATSAMD51G19A-MFT (SAM D51))
- 512 KB Flash vs 256 KB on same family (frente a ATSAME51G18A-MU (G18A))
- 120 MHz Cortex-M4F with hardware FPU (frente a ATSAMC21N17A (Cortex-M0+, 48 MHz))
Notas de diseño
The ATSAME51G19A-MUT requires a 1.71V-3.6V supply on VDDIO and VDD. Decouple both rails with 100 nF X7R ceramic capacitors placed within 3 mm of each supply pin, plus a bulk 4.7 uF X5R capacitor on VDDIO. The MCU integrates a core LDO; however, a clean supply is essential for ADC accuracy - route analog VDDANA separately if available, and place a ferrite bead between VDDIO and VDDANA to isolate digital switching noise from the analog reference.
Estimated: at 120 MHz CPU load (3.3V, 30 mA active core current), the MUT dissipates approximately 0.1 W. The 48-QFN exposed pad has a theta_JA of approximately 30 C/W on a 4-layer 2 oz copper JEDEC EIA/JESD51 test board, yielding a 3 C temperature rise. Solder the exposed pad to a continuous ground pour (at least 100 mm^2) to achieve this thermal performance; otherwise junction temperature can rise sharply under USB or CAN-FD continuous operation.
Use Microchip's SAM E51 QFN land pattern from the package mechanical drawing. Stencil aperture should be 1:1 with pad, with a 0.1 mm reduction on the exposed thermal pad to avoid solder starvation. Route USB DP/DM as a 90 ohm differential pair with length matching within 150 mil; keep high-speed signals away from the oscillator traces. Place the 12 MHz crystal within 5 mm of the XIN/XOUT pins and guard the oscillator with a ground ring to reduce EMI.
Common pitfalls: (1) Forgetting to configure GCLK generators before enabling peripheral clocks - the SAM E51 uses a flexible clock tree that must be set up explicitly in STARTUP. (2) Omitting the decoupling capacitor on the VDDCORE pin (internal LDO output) - this can cause CPU reset under load. (3) Using the wrong SERCOM pad mapping - the SERCOM peripheral has 8 pads, but each I/O pin only supports a subset; consult the pinout table before assigning I2C or SPI. (4) Failing to lock the Flash wait state for 120 MHz operation - this causes intermittent code execution errors.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - use the automotive-grade SAM E51 variant (with -A suffix) for AEC-Q100 programs. Lead-free and halogen-free per Microchip material declaration.
