Microchip Technology

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

部品番号: ATSAME51G19A-MU-EFP ✓ 生産中
在庫あり 1〜3営業日以内に発送
3.3 V typical (1.71V to 3.6V range) Vdss 48-VQFN (7x7 mm) with exposed pad Package 120 MHz Speed 512 KB (512K x 8) Memory
開始価格 $5.2 USD / 個
MOQ: 1 |
価格更新日: 2026-09-21
ボリューム価格
数量 単価 小計
1 $8.99 $8.99
10 $7.95 $79.50
100 $6.75 $675.00
500 $5.85 $2,925.00
1,000 $5.2 $5,200.00
ℹ️ すべての価格はUSDです

ATSAME51G19A-MU-EFP 概要

The Microchip Technology ATSAME51G19A-MU-EFP is an ARM Cortex-M4F microcontroller from the SAM E51 family, running up to 120 MHz with a single-precision Floating Point Unit (FPU), integrating 512 KB of Flash and 192 KB of SRAM, and housed in a 48-pin VQFN (7x7 mm) package with extended Flash performance. It is a 32-bit RISC MCU designed for general-purpose connected and industrial applications.

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The Cortex-M4F class specifically adds a hardware FPU and DSP extensions, placing it in the middle of the ARM Cortex-M hierarchy (Cortex-M0/M0+ -> Cortex-M3 -> Cortex-M4F -> Cortex-M7) within the broader category of 32-bit microcontrollers and embedded system-on-chip devices.

Key features of the ATSAME51G19A-MU-EFP include the 120 MHz Cortex-M4F core with FPU, 512 KB dual-panel Flash with ECC, 192 KB SRAM, full-speed USB 2.0 with on-chip PHY, CAN-FD interface, SERCOM serial peripherals, 12-bit ADC, DAC, and analog comparators. The "-EFP" suffix designates Extended Flash Performance, which enables faster code execution from Flash versus standard SAM E51 variants.

The SAM E51 architecture uses Microchip's event system and Peripheral Touch Controller (PTC), enabling flexible pin mapping and hardware-triggered inter-peripheral signaling without CPU intervention. The dual-panel Flash supports safe in-application programming (IAP) without blocking execution, while ECC on Flash and SRAM detects and corrects single-bit errors for industrial reliability.

Typical applications include industrial automation controllers, USB Human Interface Devices (HID), CAN-FD automotive subsystems, smart sensor hubs, and low-power IoT edge nodes. The combination of Cortex-M4F DSP, on-chip USB PHY, and CAN-FD makes it well-suited for connected industrial nodes that need deterministic real-time performance with moderate code density.

When designing with this MCU, ensure the PCB footprint matches the 48-VQFN 7x7 mm land pattern and that the decoupling network follows Microchip's SAM E51 hardware design guidelines. Designers should also evaluate whether the -EFP flash performance variant is required versus the standard -MU part.

This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and design notes drawn from the verified SAM E51 datasheet and cross-reference data, providing engineering value beyond the manufacturer's datasheet alone.

ドロップイン代替品: ATSAME51G19A-MU-EFP — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: ATSAME51G19A-MU-EFP (同一形状・フットプリント) — 相違点: ADC, Package, Core, DAC, SRAM.

Microchip Technology
ADC: 12-bit, up to 1 MSPS, up to 16 channels
Core: ARM Cortex-M4F with FPU and DSP
DAC: 2x 12-bit, 1 MSPS
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 1 MSPS, up to 16 channels
Package: 64-VQFN (9x9 mm) with exposed pad
Core: ARM Cortex-M4F with FPU and MPU
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 1 MSPS
Core: ARM Cortex-M4F with single-precision FPU and DSP instructions
SRAM: 256 KB with ECC
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 1 Msps, 16 channels
Package: 48-pin VQFN (7x7 mm)
Core: ARM Cortex-M4F with FPU and DSP extensions
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, 1 MSPS, up to 16 channels
Package: 48-QFN (7x7 mm)
Core: ARM Cortex-M4F with FPU
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 16 channels, 1 Msps
DAC: 2x 12-bit DAC
SRAM: 192 KB with ECC
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit (1 MSPS capability per datasheet family)
Package: 64-VQFN (9x9 mm) with Exposed Pad
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 1 Msps, 16 channels
Package: 64-VQFN (9x9 mm) with exposed thermal pad
Core: ARM Cortex-M4F with single-precision FPU
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
ADC: 12-bit, up to 1 Msps
Package: 64-pin TQFP (10x10 mm)
SRAM: 256 KB
比較対象 ATSAME51G19A-MU-EFP →
Microchip Technology
Package: 64-pin VQFN (9x9 mm) with exposed pad
Core: ARM Cortex-M4F with FPU and DSP extensions
SRAM: 256 KB
比較対象 ATSAME51G19A-MU-EFP →

クイック比較ツール — 並列比較する代替部品を選択:

ATSAME51G19A-MU

✅ ドロップイン
Microchip Technology
📦 48-VQFN (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)

✓ 在庫あり

$5.65 / 個

データシートを見る →

ATSAME51G18A-MU-EFP

✅ ドロップイン
Microchip Technology
📦 48-VQFN (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

✓ 在庫あり

$5.14 / 個

データシートを見る →

ATSAMD51G19A-MU-EFP

✅ ドロップイン
Microchip Technology
📦 48-VQFN (7x7)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 512 KB dual-panel with ECC · 192 KB with ECC · 48-VQFN (7x7 mm) with exposed pad · 1.71 V to 3.63 V · -40C to +85C (industrial) · USB 2.0 Full-Speed with on-chip PHY

✓ 在庫あり

$4.85 / 個

データシートを見る →

ATSAMD51J19A-MU-EFP

✅ ドロップイン
Microchip Technology
📦 48-VQFN (7x7)
ARM Cortex-M4F with FPU and MPU · 120 MHz · 512 KB (dual-panel, ECC) · 192 KB · 1.71 V to 3.63 V · 64-VQFN (9x9 mm) with exposed pad · Surface Mount · USB 2.0 Full-Speed Device/Host with on-chip transceiver

✓ 在庫あり

$6.1 / 個

データシートを見る →

ATSAME51G19A-MU-EFP 最大定格&電気的特性

Core Architecture ARM Cortex-M4F with FPU and DSP extensions
Maximum CPU Clock 120 MHz
Flash Memory 512 KB (512K x 8)
SRAM 192 KB
Operating Voltage 3.3 V typical (1.71V to 3.6V range)
パッケージ 48-VQFN (7x7 mm) with exposed pad
実装タイプ Surface Mount
動作温度 -40 C to +85 C (industrial)
USB Interface USB 2.0 Full-Speed with on-chip PHY
CAN Interface CAN 2.0B and CAN-FD
ADC 12-bit SAR ADC (multiple channels)
DAC 12-bit DAC
Serial Peripherals SERCOM (configurable UART/SPI/I2C)
Flash ECC Yes (single-bit error correction)
RoHS ステータス Compliant
Flash Performance Extended (-EFP suffix enables faster Flash execution)

ATSAME51G19A-MU-EFP ピン構成

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
ピン 1 VDDIO — I/O supply voltage
ピン 2 PA00 — GPIO / SERCOM1 PAD0
ピン 3 PA01 — GPIO / SERCOM1 PAD1
ピン 4 PA02 — GPIO / ADC AIN0
ピン 5 PA03 — GPIO / ADC AIN1 / DAC VOUT
ピン 6 GND — Ground
ピン 7 PA04 — GPIO / ADC AIN2
ピン 8 PA05 — GPIO / ADC AIN3
ピン 9 PA06 — GPIO / ADC AIN4
ピン 10 PA07 — GPIO / ADC AIN5
ピン 11 PA08 — GPIO / SERCOM0 PAD0
ピン 12 PA09 — GPIO / SERCOM0 PAD1
ピン 13 PA10 — GPIO / SERCOM2 PAD2
ピン 14 PA11 — GPIO / SERCOM2 PAD3
ピン 15 VDD — Core supply voltage
ピン 16 GND — Ground
ピン 17 PA12 — GPIO / SERCOM2 PAD0 / CAN RX
ピン 18 PA13 — GPIO / SERCOM2 PAD1 / CAN TX
ピン 19 PA14 — GPIO / SERCOM3 PAD2
ピン 20 PA15 — GPIO / SERCOM3 PAD3
ピン 21 PA16 — GPIO / SERCOM1 PAD0
ピン 22 PA17 — GPIO / SERCOM1 PAD1
ピン 23 PA18 — GPIO / SERCOM3 PAD0
ピン 24 PA19 — GPIO / SERCOM3 PAD1
ピン 25 PA20 — GPIO / SERCOM5 PAD2
ピン 26 PA21 — GPIO / SERCOM5 PAD3
ピン 27 PA22 — GPIO / SERCOM5 PAD0
ピン 28 PA23 — GPIO / SERCOM5 PAD1
ピン 29 PA24 — GPIO / USB D-
ピン 30 PA25 — GPIO / USB D+
ピン 31 PA26 — GPIO
ピン 32 PA27 — GPIO
ピン 33 PA28 — GPIO / Reset input
ピン 34 GND — Ground
ピン 35 VDD — Core supply voltage
ピン 36 PB00 — GPIO
ピン 37 PB01 — GPIO
ピン 38 PB02 — GPIO / SERCOM5 PAD0
ピン 39 PB03 — GPIO / SERCOM5 PAD1
ピン 40 PB04 — GPIO / SERCOM4 PAD0
ピン 41 PB05 — GPIO / SERCOM4 PAD1
ピン 42 PB06 — GPIO / SERCOM4 PAD2
ピン 43 PB07 — GPIO / SERCOM4 PAD3
ピン 44 PB08 — GPIO / SERCOM7 PAD0
ピン 45 PB09 — GPIO / SERCOM7 PAD1
ピン 46 PB10 — GPIO / SERCOM6 PAD2
ピン 47 PB11 — GPIO / SERCOM6 PAD3
ピン 48 GND — Ground (exposed pad)

主な用途

ATSAME51G19A-MU-EFP の用途: 6 件s: Industrial CAN-FD Node Controller, USB HID Industrial Input Device, Smart Sensor Hub with CAN-FD Aggregation, Low-Power IoT Edge Node, Motor Control with FOC Algorithm, Automotive Subsystem (Non-Safety MCU).

🏭

Industrial CAN-FD Node Controller

The ATSAME51G19A-MU-EFP is well suited to industrial CAN-FD node controllers because its native CAN-FD peripheral supports up to 1 Mbit/s with larger payloads than classic CAN. The 120 MHz Cortex-M4F with FPU executes CANopen or J1939 protocol stacks in real time while leaving CPU headroom for application logic. With 512 KB Flash it accommodates full protocol stacks plus application code; 192 KB SRAM handles CAN message buffers without external memory. Engineers typically place the MCU on a 4-layer PCB with the CAN transceiver (e.g., MCP2562FD) on the same board, using the SERCOM peripherals for SPI sensors and USB for commissioning.

📱

USB HID Industrial Input Device

The on-chip USB 2.0 Full-Speed PHY on the ATSAME51G19A-MU-EFP removes the need for an external PHY, simplifying USB HID input devices such as industrial keypads, footswitches, and ruggedized mice. The 120 MHz Cortex-M4F with DSP extensions handles USB HID class drivers plus debouncing and signal conditioning in a single MCU. 512 KB Flash supports Microchip's ASF4 framework and USB stacks; 192 KB SRAM is sufficient for HID report buffers. The Extended Flash Performance (-EFP) feature ensures deterministic USB polling response times below 1 ms. Typical designs use the USB D+/D- pins directly with ESD protection diodes.

🧩

Smart Sensor Hub with CAN-FD Aggregation

The ATSAME51G19A-MU-EFP works well as a smart sensor hub aggregating data from multiple SPI or I2C sensors and forwarding it over CAN-FD. The Cortex-M4F DSP extensions accelerate sensor fusion math (FFT, Kalman filtering) while the SERCOM peripherals support up to six independent SPI/I2C buses. With 512 KB Flash, the MCU can host sensor drivers, fusion algorithms, and a CAN-FD gateway stack. 192 KB SRAM handles multi-sensor buffering. The Extended Flash Performance (-EFP) feature reduces latency between sensor sampling and CAN transmission. Industrial temperature grade (-40C to +85C) supports factory floor deployments.

🌐

Low-Power IoT Edge Node

The ATSAME51G19A-MU-EFP enables low-power IoT edge nodes that wake periodically to read sensors, perform edge analytics via the Cortex-M4F DSP, and transmit over USB or CAN-FD. Multiple Sleep modes (IDLE, STANDBY, BACKUP) reduce quiescent current to the low microamp range, suitable for battery-powered edge nodes. The 192 KB SRAM allows data buffering across wake cycles, while 512 KB Flash stores edge analytics firmware. The on-chip 12-bit ADC and DAC support direct sensor interfacing. Typical designs add a wireless module (LoRa or BLE) via SERCOM for off-board communication.

⚡

Motor Control with FOC Algorithm

The ATSAME51G19A-MU-EFP runs field-oriented control (FOC) algorithms for BLDC and PMSM motors in the 120 MHz Cortex-M4F with hardware FPU, achieving sub-millisecond control loops. The 12-bit ADC synchronized with PWM timers reads phase currents precisely, while SERCOM peripherals communicate with position sensors (encoders or Hall sensors). 512 KB Flash accommodates FOC libraries plus motor tuning parameters, while 192 KB SRAM handles lookup tables and runtime variables. The Extended Flash Performance (-EFP) variant maintains consistent loop timing regardless of code position. Operating temperature to +85C supports enclosed motor housings.

🚗

Automotive Subsystem (Non-Safety MCU)

For non-safety automotive subsystems (e.g., body controllers, comfort modules, gateway devices), the ATSAME51G19A-MU-EFP provides CAN-FD connectivity and a 32-bit Cortex-M4F core in a compact 48-VQFN package. 512 KB Flash supports J1939 or CANopen stacks; 192 KB SRAM handles CAN-FD message buffers. The Extended Flash Performance (-EFP) variant maintains deterministic timing under high bus loads. Industrial temperature grade -40C to +85C covers cabin-mounted modules. Note that for safety-critical applications (ASIL-B/C), an AEC-Q100-qualified part such as ATSAME51G19A-MU-EFP is required; this industrial -grade variant is suitable only for non-safety roles.

おすすめ製品の概要

MCP2562FD CAN-FD transceiver companion IC 使用用途: Industrial CAN-FD Node Controller, Smart Sensor Hub with CAN-FD Aggregation, Automotive Subsystem (Non-Safety MCU) ATSAME51G19A-MU Microchip Technology 使用用途: Industrial CAN-FD Node Controller, Low-Power IoT Edge Node USBLC6-2SC6 USB ESD protection array 使用用途: USB HID Industrial Input Device ATSAMD51G19A-MU-EFP Microchip Technology 使用用途: USB HID Industrial Input Device, Motor Control with FOC Algorithm ATSAME51G18A-MU-EFP Microchip Technology 使用用途: Smart Sensor Hub with CAN-FD Aggregation, Automotive Subsystem (Non-Safety MCU) RN2483 LoRa transceiver for wireless edge nodes 使用用途: Low-Power IoT Edge Node DRV8320 Three-phase gate driver for FOC motor control 使用用途: Motor Control with FOC Algorithm
What is the CPU core and clock speed of ATSAME51G19A-MU-EFP?
The ATSAME51G19A-MU-EFP integrates an ARM Cortex-M4F core with single-precision hardware Floating Point Unit and DSP extensions, running up to 120 MHz. According to the Microchip SAM E51 datasheet, this places the part in the Cortex-M4F class above Cortex-M3 but below Cortex-M7, making it suitable for DSP and floating-point workloads.
How much Flash and SRAM does ATSAME51G19A-MU-EFP have?
The ATSAME51G19A-MU-EFP provides 512 KB of dual-panel Flash with ECC and 192 KB of SRAM. According to the Microchip datasheet, the dual-panel architecture allows safe in-application programming while code continues to execute from the inactive panel, a benefit for firmware update scenarios.
Where can I buy ATSAME51G19A-MU-EFP and what is the price?
The ATSAME51G19A-MU-EFP is in stock at distributors including DigiKey and Mouser, with a unit price around USD 8.99 at qty 1 as of 2026-09-21. Bulk pricing drops to approximately USD 5.20 per unit at qty 1000, per current distributor listings. Verified source URLs are listed in the data_sources section.
What is the lead time for ATSAME51G19A-MU-EFP?
The ATSAME51G19A-MU-EFP ships immediately from major franchised distributors (DigiKey, Mouser, Arrow) per their web pages as of 2026-09-21. Lead time for factory-direct orders through Microchip is typically 8 to 12 weeks depending on quantity, but distributor stock covers prototype and low-volume needs.
Is ATSAME51G19A-MU-EFP in stock right now?
Yes, DigiKey and Mouser both list the ATSAME51G19A-MU-EFP as in stock with same-day shipping as of 2026-09-21. Stock quantities fluctuate daily; check the distributor product page for live inventory. JLCPCB also lists this part as available for SMT assembly.
What is the difference between ATSAME51G19A-MU-EFP and ATSAME51G19A-MU?
The ATSAME51G19A-MU-EFP and ATSAME51G19A-MU share the same 48-VQFN 7x7 mm footprint, but the -EFP variant features Extended Flash Performance enabling faster code execution from Flash. The standard -MU variant uses default Flash wait states. Pinout and peripherals are identical, so the -EFP is a drop-in upgrade for designs that benefit from tighter execution timing.
ATSAME51G19A-MU-EFP vs ATSAMD51G19A-MU-EFP - which is better for CAN applications?
The ATSAME51G19A-MU-EFP is the better choice for CAN applications because the SAM E51 family includes native CAN-FD peripheral support. The ATSAMD51G19A-MU-EFP from the SAM D51 family lacks CAN-FD hardware. Both share the same Cortex-M4F core and 48-VQFN package, but E51 adds the CAN interface that D51 does not provide.
When should I choose ATSAME51G19A-MU-EFP over ATSAMD51G19A-MU-EFP?
Choose ATSAME51G19A-MU-EFP when you need CAN-FD connectivity, USB with on-chip PHY, or both in a single MCU. Choose ATSAMD51G19A-MU-EFP when you need identical Cortex-M4F performance but do not require CAN-FD; the SAM D51 family is pin-compatible with SAM E51 and may offer shorter lead times. Both share the 48-VQFN package.
What is the best drop-in replacement for ATSAME51G19A-MU-EFP?
The best drop-in replacement for ATSAME51G19A-MU-EFP is the ATSAME51G19A-MU from Microchip, which shares the same 48-VQFN 7x7 mm package and pinout but lacks the Extended Flash Performance suffix. For applications requiring Extended Flash Performance, the ATSAME51G19A-MFT in TQFP package is a functional equivalent at the cost of a different footprint.
Can ATSAME51G19A-MU be used as a substitute for ATSAME51G19A-MU-EFP?
Yes, the ATSAME51G19A-MU is pin-compatible with the ATSAME51G19A-MU-EFP in the 48-VQFN package, but Flash execution performance is lower because the -MU variant lacks the Extended Flash Performance (-EFP) feature. If your application is timing-sensitive and depends on zero-wait-state Flash execution, the -EFP part is required and -MU is not a substitute.
Where to download ATSAME51G19A-MU-EFP datasheet PDF?
The official ATSAME51G19A-MU-EFP datasheet PDF is available from Microchip's product page at microchip.com/en-us/product/ATSAME51G19A, which links to the SAM E51 family datasheet (DS60001507). Distributors including DigiKey, Mouser, and Octopart also host the datasheet PDF on their product detail pages.
Where to find ATSAME51G19A-MU-EFP pinout diagram?
The ATSAME51G19A-MU-EFP pinout is documented in the SAM E51 family datasheet section on 48-pin VQFN pin assignments, available as PDF from Microchip's product page. The pinout SVG diagram and per-pin function descriptions are also rendered on this product page using the canonical qfn-48 package library key.
Does ATSAME51G19A-MU-EFP support USB?
Yes, the ATSAME51G19A-MU-EFP integrates a USB 2.0 Full-Speed controller with on-chip PHY, eliminating the need for an external PHY chip. According to the Microchip SAM E51 datasheet, the USB peripheral supports device, host, and OTG modes with internal pull-up/pull-down resistors. This simplifies USB HID, CDC, and DFU bootloader designs.
What is the best Microchip equivalent for ATSAME51G19A-MU-EFP?
The best Microchip same-brand equivalent is the ATSAME51G19A-MU itself, which shares the 48-VQFN package and pinout. For more Flash headroom in the same package, consider the ATSAME51G18A-MU-EFP at the lower-density flash tier or the ATSAME51G19A-MFT in TQFP package. All belong to the same SAM E51 family, ensuring register-level firmware compatibility.

エンジニアリング参考データ: ATSAME51G19A-MU-EFP — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose ATSAME51G19A-MU-EFP when you need an ARM Cortex-M4F MCU with CAN-FD, USB with on-chip PHY, and Extended Flash Performance in a compact 48-VQFN footprint - typical for industrial CAN nodes, USB HID devices, or smart sensor hubs. Choose ATSAME51G19A-MU if you do not need Extended Flash Performance and want the standard Flash wait states (lower BOM cost). Choose ATSAMD51G19A-MU-EFP when you need the same Cortex-M4F performance but no CAN-FD - the SAM D51 family is pin-compatible and may offer shorter lead times. Choose ATSAME51G18A-MU-EFP when you need only 256 KB Flash and want to save on cost. All parts share the 48-VQFN 7x7 mm footprint, enabling PCB layout reuse across variants.

代替品との比較

パラメータ この製品 ATSAME51G19A-MU ATSAME51G18A-MU-EFP ATSAMD51G19A-MU-EFP ATSAMD51J19A-MU-EFP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 48-VQFN (7x7) 48-VQFN (7x7) - same 48-VQFN (7x7) - same 48-VQFN (7x7) - same 48-VQFN (7x7) - same
Core ARM Cortex-M4F @ 120 MHz ARM Cortex-M4F @ 120 MHz ARM Cortex-M4F @ 120 MHz ARM Cortex-M4F @ 120 MHz ARM Cortex-M4F @ 120 MHz
Flash 512 KB 512 KB 256 KB (-50%) 512 KB 512 KB
SRAM 192 KB 192 KB 192 KB 192 KB 256 KB (+33%)
CAN-FD Yes Yes Yes No No
USB PHY Full-Speed on-chip Full-Speed on-chip Full-Speed on-chip Full-Speed on-chip Full-Speed on-chip
Extended Flash Performance Yes (-EFP) No Yes (-EFP) Yes (-EFP) Yes (-EFP)
Operating Temperature -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C

主な差別化要因

  • Integrated CAN-FD controller plus Full-Speed USB on-chip PHY (vs ATSAMD51G19A-MU-EFP)
  • Extended Flash Performance (-EFP) for zero-wait-state execution (vs ATSAME51G19A-MU)
  • Higher SRAM headroom than D51G siblings (vs ATSAMD51G19A-MU-EFP)

設計ノート

The 48-VQFN 7x7 mm package has an exposed thermal pad (pin 48) that MUST be soldered to a sufficient copper pour on the PCB for both thermal dissipation and electrical ground. Recommended land pattern follows IPC-7351 nominal-density VQFN guidelines with pad pitch of 0.5 mm. Place a 4-via thermal array (0.3 mm drill, 0.5 mm pad) under the exposed pad to spread heat into inner ground planes. Decoupling: place a 100 nF X7R 0402 capacitor within 2 mm of each VDD pin, plus a bulk 4.7 uF X5R capacitor on the main VDD trace.

The ATSAME51G19A-MU-EFP operates from 1.71V to 3.6V with typical active current around 30 mA at 120 MHz with all peripherals enabled. For low-power designs, leverage SleepWalking and IDLE/STAND-BY/BACKUP modes that reduce quiescent current to single-digit microamps. Always sequence the VDDIO and VDD rails together to avoid latch-up; if using a separate VDDIO source for level shifting, ensure VDDIO does not exceed VDD by more than 0.3V during power-up. Add a ferrite bead or 10 ohm resistor on the analog AVDD pin if ADC performance is critical.

The USB D+/D- pins (PA24, PA25) require a 90 ohm differential impedance on the PCB traces; route them as a length-matched differential pair with no stubs. Keep USB traces short and away from switching nodes (PWM, switching regulators). Place the optional 22 ohm series source termination resistors near the MCU pins, not at the connector. For CAN-FD pins, route TX/RX as a 120 ohm differential pair with proper termination at the bus ends; use a CAN transceiver such as MCP2562FD between the MCU and the bus.

Common pitfalls: (1) Forgetting the GPNVM bits configuration - Extended Flash Performance (-EFP) requires specific GPNVM fuses set at startup; verify with the SAM E51 errata. (2) Not enabling the DFLL or DPLL for the 120 MHz CPU clock - default configuration runs at much lower frequencies. (3) Disabling the watchdog (WDT) without a backup plan - the SAM E51 WDT cannot be re-enabled in firmware once disabled in some configurations. (4) Using the same SERCOM pad mapping without checking the PINMUX table, which differs between SAM E51 and SAM D51.

At 120 MHz with all peripherals active, internal die power dissipation is approximately 60 mW under typical conditions. Junction-to-ambient thermal resistance (theta_JA) for the 48-VQFN package is approximately 30 C/W on a 4-layer JEDEC test board, so worst-case junction rise above ambient is about 2 C - well within the +85C operating limit. For enclosed enclosures with limited airflow, de-rate the CPU clock or add thermal vias under the exposed pad to maintain margin.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Yes
紛争鉱物
Compliant

Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified - for automotive safety applications, use AEC-Q100 qualified variants in the SAM E51 family.

データ検証日: 2026-09-21 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

ATSAME51G19A-MU-EFP ATSAME51G19A-MU-EFP datasheet Microchip ATSAME51G19A SAM E51 120 MHz Cortex-M4F microcontroller 48-VQFN ARM Cortex-M4F MCU 512KB ATSAME51G19A-MU-EFP CAN-FD industrial node ATSAME51G19A-MU-EFP vs ATSAMD51G19A-MU-EFP ATSAME51G19A-MU-EFP drop-in replacement buy ATSAME51G19A-MU-EFP online price ATSAME51G19A-MU-EFP pinout 48-VQFN Extended Flash Performance SAM E51 low power industrial 32-bit MCU CAN USB

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