Microchip Technology

ATSAME51G19A-MUT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip

Référence : ATSAME51G19A-MUT ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
1.71 V to 3.6 V Vdss 48-QFN (7x7 mm) Package 120 MHz Speed 512 KB (dual-panel, ECC) Memory
À partir de $5.04 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-09-21
Tarifs dégressifs
Qté Prix unitaire 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
ℹ️ Tous les prix sont en USD

ATSAME51G19A-MUT Présentation

The Microchip Technology ATSAME51G19A-MUT is a high-performance 32-bit ARM Cortex-M4F microcontroller running up to 120 MHz with a single-precision Floating Point Unit (FPU), 512 KB of Flash, and 192 KB of SRAM, housed in a 48-pin QFN (7x7 mm) package for industrial temperature grade (-40C to +85C).

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.

Alternatives de remplacement direct pour ATSAME51G19A-MUT — 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 ATSAME51G19A-MUT (même facteur de forme et même empreinte) — différant par ADC, SRAM, DAC, Operating Temperature, Core.

Microchip Technology
ADC: 12-bit, up to 1 MSPS, up to 16 channels
SRAM: 192 KB
Operating Temperature: -40C to +125C (industrial, "M" grade)
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 1 Msps, up to 16 channels
SRAM: 192 KB (with ECC)
DAC: 10-bit, 300 ksps
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 1 MSPS, up to 16 channels
SRAM: 192 KB with ECC
DAC: 2x 12-bit, 1 MSPS
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 16 channels, 1 MSPS
SRAM: 128 KB (with ECC)
Operating Temperature: -40C to +125C (industrial)
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 16 channels
SRAM: 128 KB with ECC
DAC: 12-bit, 2 channels
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 1 MSPS
SRAM: 256 KB with ECC
Core: ARM Cortex-M4F with single-precision FPU and DSP instructions
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 1 MSPS
SRAM: 192 KB (with ECC)
DAC: 2x 12-bit
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit, up to 1 Msps, 16 channels
SRAM: 192 KB
DAC: 12-bit, up to 500 ksps
Comparer avec ATSAME51G19A-MUT →
Microchip Technology
ADC: 12-bit SAR ADC (multiple channels)
SRAM: 192 KB
DAC: 12-bit DAC
Comparer avec ATSAME51G19A-MUT →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

ATSAME51G19A-MU-EFP

✅ Remplacement direct
Microchip Technology
📦 48-QFN (7x7)
ARM Cortex-M4F with FPU and DSP extensions · 120 MHz · 512 KB (512K x 8) · 192 KB · 3.3 V typical (1.71V to 3.6V range) · 48-VQFN (7x7 mm) with exposed pad · Surface Mount · -40 C to +85 C (industrial)

✓ En stock

$5.2 / unité

Voir la fiche technique →

ATSAME51G19A-MU

✅ Remplacement direct
Microchip Technology
📦 48-QFN (7x7)
ARM Cortex-M4F with FPU and DSP extensions · 120 MHz · 512 KB · 192 KB · 16 KB · 48-pin VQFN (7x7 mm) · 1.62 V to 3.6 V · -40 C to +85 C (Industrial)

✓ En stock

$5.65 / unité

Voir la fiche technique →

ATSAME51G19A-MFT

✅ Remplacement direct
Microchip Technology
📦 48-QFN (7x7)
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

✓ En stock

$3.95 / unité

Voir la fiche technique →

ATSAME51G18A-MU-EFP

✅ Remplacement direct ⚠️ Spécifications non vérifiées
Microchip Technology
📦 48-QFN (7x7)
ARM Cortex-M4F with single-precision FPU and DSP instructions · 120 MHz · 256 KB (256K x 8) with ECC, dual-panel · 256 KB with ECC · 1.71 V to 3.63 V · 12-bit, up to 1 MSPS · USB 2.0 Full-Speed Device and Host · CAN 2.0B and CAN-FD

✓ En stock

$5.14 / unité

Voir la fiche technique →

ATSAME51G18A-MU

✅ Remplacement direct
Microchip Technology
📦 48-QFN (7x7)
ARM Cortex-M4F with FPU · 120 MHz · 256 KB dual-panel with ECC · 128 KB with ECC · 48-QFN (7x7 mm) · -40C to +85C (industrial) · 1.71 V to 3.6 V · 12-bit, up to 16 channels

✓ En stock

$4.35 / unité

Voir la fiche technique →

ATSAME51G18A-MFT

✅ Remplacement direct
Microchip Technology
📦 48-QFN (7x7)
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

✓ En stock

$3.95 / unité

Voir la fiche technique →

ATSAME51G19A-MUT Valeurs maximales et caractéristiques électriques

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
Température de fonctionnement -40C to +85C (industrial)
Boîtier 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
Type de montage Surface Mount
Niveau MSL 3 (168 hours)
Statut RoHS Compliant

Configuration des broches de ATSAME51G19A-MUT

QFN-48 Package Pinout Diagram QFN-48 7x7mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. 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 QFN-48
Broche 1 PA00 — GPIO / TCC2 WO[0] / SERCOM1 PAD[0]
Broche 2 PA01 — GPIO / TCC2 WO[1] / SERCOM1 PAD[1]
Broche 3 PA02 — GPIO / Analog input / SERCOM0 PAD[0]
Broche 4 PA03 — GPIO / Analog input / SERCOM0 PAD[1]
Broche 5 GND — Ground
Broche 6 VDDIO — I/O supply voltage (1.71V-3.6V)
Broche 7 PA04 — GPIO / Analog input / SERCOM0 PAD[2]
Broche 8 PA05 — GPIO / Analog input / SERCOM0 PAD[3]
Broche 9 PA06 — GPIO / SERCOM0 PAD[0] (alt)
Broche 10 PA07 — GPIO / SERCOM0 PAD[1] (alt)
Broche 11 PA08 — GPIO / NMI / SERCOM0 PAD[0]
Broche 12 PA09 — GPIO / SERCOM0 PAD[1]
Broche 13 PA10 — GPIO / SERCOM0 PAD[2]
Broche 14 PA11 — GPIO / SERCOM0 PAD[3]
Broche 15 VDDIO — I/O supply voltage
Broche 16 GND — Ground
Broche 17 PA12 — GPIO / SERCOM2 PAD[0]
Broche 18 PA13 — GPIO / SERCOM2 PAD[1]
Broche 19 PA14 — GPIO / SERCOM2 PAD[2]
Broche 20 PA15 — GPIO / SERCOM2 PAD[3]
Broche 21 PA16 — GPIO / SERCOM1 PAD[0] / I2S SD[0]
Broche 22 PA17 — GPIO / SERCOM1 PAD[1] / I2S FS[0]
Broche 23 PA18 — GPIO / SERCOM1 PAD[2] / I2S SCK[0]
Broche 24 PA19 — GPIO / SERCOM1 PAD[3] / I2S MCK[0]
Broche 25 PA20 — GPIO / SERCOM3 PAD[0] / USB DP
Broche 26 PA21 — GPIO / SERCOM3 PAD[1] / USB DM
Broche 27 PA22 — GPIO / SERCOM3 PAD[2]
Broche 28 PA23 — GPIO / SERCOM3 PAD[3]
Broche 29 PA24 — GPIO / SERCOM4 PAD[0] / USB SOF
Broche 30 PA25 — GPIO / SERCOM4 PAD[1] / USB ID
Broche 31 PB22 — GPIO / SERCOM5 PAD[0]
Broche 32 PB23 — GPIO / SERCOM5 PAD[1]
Broche 33 PA27 — GPIO / SERCOM5 PAD[2]
Broche 34 PA28 — GPIO / SERCOM5 PAD[3]
Broche 35 PA30 — GPIO / SERCOM7 PAD[0] / CAN0 TX
Broche 36 PA31 — GPIO / SERCOM7 PAD[1] / CAN0 RX
Broche 37 PB02 — GPIO / SERCOM5 PAD[0] (alt) / CAN1 TX
Broche 38 PB03 — GPIO / SERCOM5 PAD[1] (alt) / CAN1 RX
Broche 39 GND — Ground (exposed pad)
Broche 40 VDDIO — I/O supply voltage
Broche 41 VDD — Core supply voltage (1.71V-3.6V)
Broche 42 PB08 — GPIO / SERCOM4 PAD[0]
Broche 43 PB09 — GPIO / SERCOM4 PAD[1]
Broche 44 PB10 — GPIO / SERCOM4 PAD[2]
Broche 45 PB11 — GPIO / SERCOM4 PAD[3]
Broche 46 PB12 — GPIO / SERCOM6 PAD[0]
Broche 47 PB13 — GPIO / SERCOM6 PAD[1]
Broche 48 RESET — Reset input, active low

Applications typiques

ATSAME51G19A-MUT convient pour 7 applications: 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.

📱

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.

🧩

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.

🚗

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.

⚡

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.

📺

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.

🏭

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.

Récapitulatif des produits recommandés

MCP2518FD External CAN-FD controller if extra buses needed Utilisé dans : Industrial Control PLC Module, CAN-FD Automotive Body Node, Building Automation Controller ATSAME51G19A-MU-EFP Microchip Technology Utilisé dans : Industrial Control PLC Module, CAN-FD Automotive Body Node, Motor Control / FOC Drive MIC28513 Synchronous buck regulator for 24V industrial rail Utilisé dans : Industrial Control PLC Module USBLC6-2SC6 USB ESD protection array Utilisé dans : USB HID / CDC Peripheral ATSAMD51G19A-MFT Microchip Technology Utilisé dans : USB HID / CDC Peripheral MIC5504 3.3V LDO for USB rail Utilisé dans : USB HID / CDC Peripheral ATWINC1500 Wi-Fi module for wireless uplink Utilisé dans : IoT Gateway / Sensor Hub MCP9808 High-accuracy temperature sensor Utilisé dans : IoT Gateway / Sensor Hub MCP1700 Low-Iq LDO for battery operation Utilisé dans : IoT Gateway / Sensor Hub TLE7259-3GE CAN-FD transceiver with low-power modes Utilisé dans : CAN-FD Automotive Body Node MCP8024 3-phase BLDC/PMSM gate driver Utilisé dans : Motor Control / FOC Drive MCP6C04 Zero-drift current-sense amplifier Utilisé dans : Motor Control / FOC Drive AR1021 Resistive touch-screen controller Utilisé dans : Human-Machine Interface (HMI) Display FT6206 Capacitive touch controller for glass overlays Utilisé dans : Human-Machine Interface (HMI) Display TPS2051B USB power switch for hot-plug protection Utilisé dans : Human-Machine Interface (HMI) Display KSZ8061 10/100 Ethernet PHY for BACnet/IP uplink Utilisé dans : Building Automation Controller ATSAMW25 Wireless MCU module for Wi-Fi commissioning Utilisé dans : Building Automation Controller
What is the core architecture of the ATSAME51G19A-MUT?
The ATSAME51G19A-MUT integrates an ARM Cortex-M4F core with a single-precision Floating Point Unit (FPU) and DSP extensions, running up to 120 MHz. According to the Microchip SAM D5X/E5X family datasheet, the M4F pipeline delivers roughly 150 CoreMark, making it suitable for sensor fusion, motor control, and audio DSP. It sits in Microchip's mid-performance tier above SAM D2x but below SAME70.
How much Flash and SRAM does the ATSAME51G19A-MUT have?
The ATSAME51G19A-MUT includes 512 KB of dual-panel Flash with ECC and up to 192 KB of SRAM with ECC. The dual-panel Flash architecture allows live firmware updates while the application continues running on the other bank - useful for OTA-capable IoT devices. ECC protects against bit flips in harsh industrial environments.
What package does the ATSAME51G19A-MUT use?
The ATSAME51G19A-MUT ships in a 48-pin QFN (7x7 mm) package with an exposed thermal pad that must be soldered to the ground plane for electrical and thermal performance. The 7x7 mm footprint exposes 37 programmable I/O pins for SERCOM, PWM, ADC, and GPIO expansion.
Where to buy ATSAME51G19A-MUT online?
ATSAME51G19A-MUT is widely available in stock from major authorized distributors including DigiKey (DigiKey part number 10297909-ND), Mouser, Octopart-listed distributors, and Arrow. Pricing as of 2026-09-21 starts at about $7.92 for 1-piece and drops to roughly $5.04 at 1000-piece reels. Lead time is typically factory stock with same-day shipping from authorized channels.
What is the lead time and stock status for ATSAME51G19A-MUT?
As of 2026-09-21 the ATSAME51G19A-MUT is in production and stocked at major distributors with lead time of 4-6 weeks from Microchip factory direct or same-day shipment from distributor shelf stock. Microchip's SAM E51 family is active, not NRND, so multi-year supply continuity is expected for industrial programs.
ATSAME51G19A-MUT vs ATSAMD51G19A-MFT - which is better for industrial control?
The ATSAME51G19A-MUT (SAM E51) adds CAN-FD support on top of the ATSAMD51G19A-MFT (SAM D51) feature set, while both share the same Cortex-M4F core at 120 MHz, 512 KB Flash, and 192 KB SRAM. For industrial control nodes that require CAN-FD automotive/fieldbus communication, the SAM E51 is the better choice. If CAN-FD is not needed, the SAM D51 may offer shorter lead time.
When should I choose ATSAME51G19A-MUT over ATSAME51G18A-MU?
Choose ATSAME51G19A-MUT when you need 512 KB Flash and 192 KB SRAM; the G18A variant provides only 256 KB Flash and 128 KB SRAM in the same 48-QFN package. If your firmware fits in 256 KB and you do not need extra SRAM buffers for graphics or USB audio, the G18A saves cost. For most connected industrial designs with USB stack + application code, the 512 KB on the G19A is recommended.
What is the best drop-in replacement for ATSAME51G19A-MUT?
The closest drop-in replacement in the same SAM E51 family is ATSAME51G19A-MU-EFP, which shares the 48-QFN footprint, 120 MHz Cortex-M4F core, 512 KB Flash, and 192 KB SRAM. For higher temperature or AEC-Q100 programs, consider ATSAME51G19A-MFT (same family, slightly different tape/reel option). Cross-brand drop-in alternatives are limited because the SAM E51 pinout is proprietary.
Where to download the ATSAME51G19A-MUT datasheet PDF?
The official ATSAME51G19A-MUT datasheet is hosted as a PDF on Microchip's website, document reference for the SAM D5X/E5X family datasheet 60001507. Engineers can also retrieve the latest revision through the Microchip product page at microchip.com/en-us/product/ATSAME51G19A, or via distributor datasheet portals like DigiKey and Mouser.
Where to find the ATSAME51G19A-MUT pinout?
The 48-QFN pinout of the ATSAME51G19A-MUT is documented in the SAM D5X/E5X family datasheet section covering pin multiplexing. Microchip also publishes a dedicated SAM E51 pinout diagram on the product page. The QFN package places pin 1 at the top-left dot marker, with pins numbered counter-clockwise around the perimeter.
What CAN protocol support does ATSAME51G19A-MUT provide?
The ATSAME51G19A-MUT includes two CAN-FD controllers compliant with ISO 11898-1:2015 and CAN 2.0A/B, supporting both classic CAN and CAN-FD frames with up to 8 MBd bit rate. CAN-FD support is the key differentiator versus the SAM D51, which only provides CAN 2.0. This makes the E51 suitable for industrial fieldbus and modern automotive networks.
Is ATSAME51G19A-MUT suitable for USB device applications?
Yes, the ATSAME51G19A-MUT integrates a USB 2.0 Full-Speed device/host controller with on-chip transceiver and internal pull-up, eliminating the need for an external PHY in most designs. Combined with 192 KB SRAM, it can buffer USB audio or CDC data streams without external memory. The 48-QFN exposes dedicated USB DP/DM pins for direct connector routing.
What are the key specifications of ATSAME51G19A-MUT that engineers should know?
The ATSAME51G19A-MUT key specifications are: 120 MHz ARM Cortex-M4F core with FPU and DSP, 512 KB dual-panel ECC Flash, 192 KB ECC SRAM, 1.71V-3.6V supply, 48-QFN (7x7 mm) package with 37 GPIO, 12-bit 1 MSPS ADC, two CAN-FD controllers, USB 2.0 Full-Speed device/host, and industrial -40C to +85C temperature grade. It is RoHS compliant and is the mid-tier MCU in Microchip's SAM portfolio.
What is the best STMicroelectronics equivalent for ATSAME51G19A-MUT?
The closest STMicroelectronics drop-in equivalent is the STM32G474RET6 in LQFP-64 (note: different package - pin-compatible is unavailable in the same 48-QFN). Engineers who need true drop-in 48-QFN pin compatibility must stay within Microchip's SAM E51 family. ST's STM32F411 in QFN-48 shares flash/CPU tier but differs in peripheral mix and pinout.

Données de référence d'ingénierie pour ATSAME51G19A-MUT — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the ATSAME51G19A-MUT when your design needs CAN-FD, USB Full-Speed, and roughly 150 CoreMark performance in a compact 48-QFN. The MUT is the sweet spot for industrial PLC modules, USB peripherals, IoT gateways, and motor-control boards. Pick the ATSAME51G19A-MU-EFP if you need 125C extended-temperature qualification - same die, same firmware. Pick the ATSAME51G18A-MU if your firmware fits in 256 KB Flash and you want to save $1-2 per part. Avoid the MUT only when you require AEC-Q100 Grade-1 automotive qualification (use the SAM E51 AEC-Q100 variants) or a larger pin count with Ethernet (move up to SAME70 or SAM V71).

Comparaison avec les alternatives

Paramètre Ce produit 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)

Principaux différenciateurs

  • Dual CAN-FD controllers in mid-tier MCU (vs ATSAMD51G19A-MFT (SAM D51))
  • 512 KB Flash vs 256 KB on same family (vs ATSAME51G18A-MU (G18A))
  • 120 MHz Cortex-M4F with hardware FPU (vs ATSAMC21N17A (Cortex-M0+, 48 MHz))

Notes de conception

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.

Informations de conformité

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Sans plomb
Yes
Sans halogène
Yes
Minerais de conflit
Compliant

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.

Données vérifiées le : 2026-09-21 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

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Composants & termes associés

Microchip Technology ATSAME51G19A-MUT ATSAME51G19A-MU-EFP ATSAME51G19A-MU ATSAME51G19A-MFT ATSAME51G18A-MU-EFP ATSAMD51G19A-MFT ARM Cortex-M4F Cortex-M0+ FPU DSP QFN-48 7x7 mm package HVQCCN CAN-FD USB 2.0 Full-Speed SERCOM RoHS REACH industrial temperature grade ECC dual-panel Flash SAM E51 family SAM D51 family ASF4 MPLAB Harmony
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