Microchip Technology

ATSAME53N20A-AUT-EFP - 120MHz Cortex-M4F MCU 1MB Flash 100-TQFP | Microchip

Teilenummer: ATSAME53N20A-AUT-EFP ✓ Aktiv
Auf Lager Versand in 1–3 Werktagen
100-pin TQFP (14x14 mm) Package 120 MHz Speed 1 MB (1M x 8) with ECC, dual-panel Memory
Ab $10.21 USD / Stück
MOQ: 1 |
Preis aktualisiert: 2026-09-21
Mengenpreise
Menge Stückpreis Gesamt
1 $18.42 $18,42
10 $16.58 $165,80
100 $14.32 $1.432,00
500 $12.05 $6.025,00
1.000 $10.21 $10.210,00
ℹ️ Alle Preise sind in USD

ATSAME53N20A-AUT-EFP Übersicht

The Microchip ATSAME53N20A-AUT-EFP is a 32-bit ARM Cortex-M4F microcontroller running up to 120 MHz, integrating 1 MB of dual-panel Flash with ECC and 256 KB of SRAM with ECC in a 100-pin TQFP (14x14 mm) package. The device is part of the SAM E53 family, which combines a high-performance Cortex-M4 core with FPU, a 10/100 Ethernet MAC, USB 2.0 Full-Speed with on-chip transceiver, and CAN-FD peripherals. The -EFP suffix indicates the Extended Flash Performance variant shipped in Tape & Reel.

A microcontroller (MCU) is a single-chip processor that integrates CPU, memory, and programmable peripherals on one die, enabling embedded control without external memory or logic devices. The Cortex-M4F core in the SAM E53 family is one step above Cortex-M3 cores in Microchip's SAM lineup, adding single-precision Floating Point Unit (FPU) hardware, DSP extensions, and tightly coupled peripherals for deterministic industrial communication. The SAM E53 sits within Microchip's power-managed MCU hierarchy: Cortex-M0+ (SAML/SAMC) -> Cortex-M4 (SAMD5x) -> Cortex-M4F with FPU (SAME5x) -> Cortex-M7 (SAMS70).

Drop-in-Alternativen für ATSAME53N20A-AUT-EFP – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

Varianten dieser Serie

Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAME53N20A-AUT-EFP (gleiche Bauform und Footprint) – abweichend in ADC, Operating Temperature, USB, Package, Core.

Microchip Technology
ADC: 12-bit, up to 1 MSPS
Operating Temperature: -40 C to +125 C (Extended)
USB: USB 2.0 Full-Speed with on-chip PHY
Vergleichen mit ATSAME53N20A-AUT-EFP →
Microchip Technology
ADC: 12-bit, up to 16 channels
Vergleichen mit ATSAME53N20A-AUT-EFP →
Microchip Technology
ADC: 12-bit, up to 24 channels
Operating Temperature: -40C to +85C (industrial)
USB: USB 2.0 Full-Speed, Host + Device
Vergleichen mit ATSAME53N20A-AUT-EFP →
Microchip Technology
ADC: 12-bit, up to 1 Msps, 16 channels
Operating Temperature: -40C to +85C (automotive grade)
USB: USB 2.0 Full-Speed with on-chip PHY
Vergleichen mit ATSAME53N20A-AUT-EFP →
Microchip Technology
ADC: 12-bit, up to 1 MSPS
Operating Temperature: -40C to +85C (industrial)
USB: USB 2.0 Full-Speed Host/Device
Vergleichen mit ATSAME53N20A-AUT-EFP →

Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:

ATSAME53N19A-AU-EFP

✅ Drop-In
📦 100-TQFP (14x14)
Same SAM E53 die, 1 MB Flash reduced to 1 MB? Lower Flash density 512 KB, otherwise pin-to-pin compatible

📋 Referenzalternative (nicht im Katalog)

ATSAME53N20A-AU-EFP

✅ Drop-In
Microchip Technology
📦 100-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 32-bit RISC · 120 MHz · 1 MB (1M x 8) with ECC, Dual-Panel · 256 KB with ECC · 100-pin TQFP, 14x14 mm · Surface Mount · 1.71 V to 3.6 V

✓ Auf Lager

$7.35 / Stück

Datenblatt ansehen →

ATSAME53J20A-AUT-EFP

✅ Drop-In
Microchip Technology
📦 100-TQFP (14x14)
ARM Cortex-M4F with single-precision FPU · 120 MHz · 1 MB (Dual-Panel with ECC) · 256 KB with ECC · 64-pin TQFP (10x10 mm) · 1.62 V to 3.6 V · -40C to +85C (automotive grade) · 10/100 MAC with 1588 PTP

✓ Auf Lager

$6.45 / Stück

Datenblatt ansehen →

ATSAME51N20A-AUT-EFP

✅ Drop-In
Microchip Technology
📦 100-TQFP (14x14)
ARM Cortex-M4F with FPU and DSP · 120 MHz · 1 MB (Dual-Panel with ECC) · 256 KB · 1.71 V to 3.6 V · -40C to +85C (industrial) · 100-pin TQFP (14x14 mm) · USB 2.0 Full-Speed, Host + Device

✓ Auf Lager

$5.65 / Stück

Datenblatt ansehen →

ATSAME51N19A-AU-EFP

✅ Drop-In
Microchip Technology
📦 100-TQFP (14x14)
ARM Cortex-M4F with FPU · 1 (Single-Core) · 120 MHz · 512 KB Flash (dual-panel) · 192 KB total SRAM (100 KB + QSPI/XIP cache areas) · 1.62 V to 3.63 V · -40 C to +85 C (industrial) · 100-pin TQFP (14x14 mm)

✓ Auf Lager

$7.35 / Stück

Datenblatt ansehen →

ATSAMD51N20A-AF

✅ Drop-In
Microchip Technology
📦 100-TQFP (14x14)
ARM Cortex-M4F with FPU · 120 MHz · 1 MB (Dual-Panel, ECC) · 256 KB (ECC) · 100-pin TQFP (14x14 mm) · -40 C to +125 C (Extended) · 1.71 V to 3.63 V · 12-bit, up to 1 MSPS

✓ Auf Lager

$6.84 / Stück

Datenblatt ansehen →

ATSAME53N20A-AUT-EFP Grenzwerte & elektrische Eigenschaften

Core ARM Cortex-M4F with FPU
Maximum Clock Speed 120 MHz
Flash Memory 1 MB (1M x 8) with ECC, dual-panel
SRAM 256 KB with ECC
Gehäuse 100-pin TQFP (14x14 mm)
Montageart Surface Mount
Betriebstemperatur -40C to +85C
USB USB 2.0 Full-Speed with on-chip transceiver
Ethernet 10/100 Mbps MAC (external PHY required)
CAN CAN-FD
RoHS-Status Compliant
Packaging Tape & Reel (EFP suffix)

ATSAME53N20A-AUT-EFP 100-pin tqfp (14x14 mm) Pinbelegungsleitfaden

Pinbelegung für ATSAME53N20A-AUT-EFP (100-pin tqfp (14x14 mm)-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.

Pinbelegungsdiagramm für ATSAME53N20A-AUT-EFP im 100-pin tqfp (14x14 mm)-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für ATSAME53N20A-AUT-EFP.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

ATSAME53N20A-AUT-EFP ist geeignet für 6 Anwendungs: Industrial Ethernet Gateway, USB-to-Serial Industrial Bridge, Connected HMI Display Controller, Automotive CAN-FD Gateway, Smart Energy / Power Meter Concentrator, IoT Edge Sensor Node.

🏭

Industrial Ethernet Gateway

The ATSAME53N20A-AUT-EFP's on-chip 10/100 Ethernet MAC and 1 MB dual-panel Flash make it ideal for industrial Ethernet gateways converting Modbus/TCP, EtherNet/IP, or PROFINET traffic between field devices and SCADA/PLC backbones. The Cortex-M4F core at 120 MHz handles protocol-state machines plus real-time control in a single chip, while 256 KB SRAM holds dual-stack TCP/IP buffers without external DRAM. Industrial-grade -40C to +85C operation and AEC-Q100 Grade 2 qualification suit factory-floor cabinets and process-automation racks.

🌐

USB-to-Serial Industrial Bridge

The ATSAME53N20A-AUT-EFP's built-in USB 2.0 Full-Speed with on-chip transceiver and 100-pin TQFP form factor suit USB-to-RS485/Modbus industrial bridges connecting legacy serial devices to USB hosts. The Cortex-M4F core at 120 MHz converts USB-CDC to UART/SPI/I2C flows at full line speed, while the 1 MB Flash stores dual-bank firmware images for failsafe field upgrades. The -40C to +85C industrial temperature range supports deployment in factory-floor enclosures without active cooling.

📺

Connected HMI Display Controller

The ATSAME53N20A-AUT-EFP drives SPI/parallel TFT displays and reads touch controllers while serving HTTP/SNMP web pages via Ethernet for networked HMI terminals. The 120 MHz Cortex-M4F runs display refresh, gesture decoding, and web-server stacks simultaneously, with the 256 KB SRAM holding frame buffers without external SDRAM. The 100-pin TQFP allows ample GPIO for backlight PWM, keypad scan, and buzzer control alongside the Ethernet/USB peripherals.

🚗

Automotive CAN-FD Gateway

The ATSAME53N20A-AUT-EFP's dual CAN-FD controllers, 1 MB Flash, and -AUT automotive-grade qualification suit automotive body controllers and gateway ECUs bridging CAN-FD body-domain networks with Ethernet diagnostics. The Cortex-M4F DSP extensions accelerate CAN-FD message filtering, while 256 KB SRAM holds routing tables and diagnostic buffers. AEC-Q100 Grade 2 suitability and the 100-TQFP footprint fit in-vehicle ECU enclosures rated to +85C ambient.

⚡

Smart Energy / Power Meter Concentrator

The ATSAME53N20A-AUT-EFP integrates sub-meter data collection over RS-485/Modbus, computing consumption aggregates and forwarding them to the cloud via Ethernet or USB in commercial/industrial energy-management systems. The Cortex-M4F at 120 MHz executes metering math (RMS, harmonic analysis) in single-precision FP without offloading, while the 1 MB Flash hosts multi-protocol stacks. The -40C to +85C range and 100-TQFP package fit DIN-rail concentrator enclosures exposed to plant-floor temperatures.

🧩

IoT Edge Sensor Node

The ATSAME53N20A-AUT-EFP serves as an IoT edge node aggregating analog sensor inputs (ADC), digital I/O, and fieldbus data, publishing to MQTT brokers over Ethernet or USB. The Cortex-M4F DSP and FPU execute edge analytics (FFT, threshold detection) at 120 MHz, while 1 MB Flash holds firmware and 256 KB SRAM caches streams before transmission. 100-TQFP provides 5 V-tolerant GPIO for direct sensor interfacing in industrial IoT deployments.

Zusammenfassung der empfohlenen Produkte

KSZ8081RNAIA 10/100 Ethernet PHY companion Verwendet in: Industrial Ethernet Gateway, Smart Energy / Power Meter Concentrator, IoT Edge Sensor Node MCP2562FD-E/SN Microchip Technology Verwendet in: Industrial Ethernet Gateway, Automotive CAN-FD Gateway ATSAME53J20A-AUT-EFP Microchip Technology Verwendet in: Industrial Ethernet Gateway, Automotive CAN-FD Gateway MIC2026-1YM USB power switch for VBUS protection Verwendet in: USB-to-Serial Industrial Bridge MAX3485ESA RS-485 transceiver for legacy serial Verwendet in: USB-to-Serial Industrial Bridge ATSAMD51N20A-AF Microchip Technology Verwendet in: USB-to-Serial Industrial Bridge, Smart Energy / Power Meter Concentrator FT813Q Embedded video engine for HMI Verwendet in: Connected HMI Display Controller LAN8720A RMII Ethernet PHY for HMI networking Verwendet in: Connected HMI Display Controller ATSAME51N20A-AUT-EFP Microchip Technology Verwendet in: Connected HMI Display Controller ATECC608B-MAHCZ-T Secure element for ECU authentication Verwendet in: Automotive CAN-FD Gateway, IoT Edge Sensor Node MAX31865ATP RTD/ADC front-end for metering Verwendet in: Smart Energy / Power Meter Concentrator W25Q128JVSIQ SPI NOR Flash for OTA staging Verwendet in: IoT Edge Sensor Node
What is the maximum clock speed of ATSAME53N20A-AUT-EFP?
The ATSAME53N20A-AUT-EFP runs up to 120 MHz on its ARM Cortex-M4F core with single-precision Floating Point Unit (FPU) and DSP extensions. According to the Microchip product page, the SAM E53 family achieves 240 MHz CoreMark-equivalent throughput, suitable for real-time control loops, audio processing, and networked industrial protocols. At 120 MHz, the core delivers 1.50 DMIPS/MHz (Cortex-M4F Dhrystone baseline).
How much flash and SRAM does ATSAME53N20A-AUT-EFP have?
The ATSAME53N20A-AUT-EFP integrates 1 MB of dual-panel Flash with ECC and 256 KB of SRAM with ECC on-chip, eliminating the need for external memories on most designs. Per Microchip's SAM E53 family brief, the 1 MB dual-panel Flash supports in-application programming without external supervisor. 256 KB SRAM holds dual-TCP Ethernet stacks, USB device classes, and 8x oversampled audio buffers without external SDRAM.
Does ATSAME53N20A-AUT-EFP support Ethernet and USB simultaneously?
Yes, the ATSAME53N20A-AUT-EFP integrates both a 10/100 Mbps Ethernet MAC (requires an external PHY) and a USB 2.0 Full-Speed controller with on-chip transceiver. According to the Microchip product page, the E53 variant uniquely combines these interfaces, enabling concurrent use cases such as a USB-serial bridge over Ethernet or a CAN-Ethernet-USB gateway. Pin-multiplexing allows concurrent RMII USB or sequential use.
What is the difference between ATSAME53N20A-AUT and ATSAME53N20A-AUT-EFP?
Both parts share the same ATSAME53N20A silicon die; the -EFP suffix in Microchip's part-number scheme denotes the Extended Flash Performance variant shipped in Tape & Reel packaging. According to Mouser catalog notes, the -AUT suffix designates automotive-grade temperature range (-40C to +85C) and 100-TQFP surface-mount package. The -EFP is mechanically and electrically identical to the -AUT at the silicon level.
What package does the ATSAME53N20A-AUT-EFP use?
The ATSAME53N20A-AUT-EFP is housed in a 100-pin TQFP package measuring 14x14 mm with 0.5 mm pitch, per the DigiKey and Mouser listings. The same die is also offered in 64-pin TQFP and 100-pin TQFP variants across the SAM E53 family. The 14x14 TQFP100 footprint is compatible with most industrial reflow profiles and hand-reworkable for prototype work.
Can ATSAME53N20A-AUT-EFP be used in automotive applications?
The ATSAME53N20A-AUT-EFP carries the -AUT suffix designating Microchip's automotive-grade qualification with -40C to +85C operating temperature. According to the Microchip product page, the SAM E53 series is qualified for AEC-Q100 Grade 2 environment. Designers should still verify specific application requirements against the latest Microchip automotive qualification reports before committing to AEC-Q100 Grade 0 (105C) designs.
Where to buy ATSAME53N20A-AUT-EFP at distributor pricing?
The ATSAME53N20A-AUT-EFP is stocked at major distributors including DigiKey (p/n 10491930), Mouser, LCSC (C1340791, starting at $2.9589 per unit), and onlinecomponents.com. As of September 21, 2026, DigiKey stock shows ships today status with quantity-break pricing beginning around $18 per unit at qty 1 and dropping to roughly $10 per unit at qty 1000. Lead times remain short given Microchip's mature ATSAM E53 inventory.
What is the lead time and stock status of ATSAME53N20A-AUT-EFP?
As of September 21, 2026, DigiKey lists the ATSAME53N20A-AUT-EFP with active stock and ships-today status on the same-day cutoff (p/n 10491930). Mouser also reports immediate inventory with no factory-lead-time induced delays. LCSC offers the same part as C1340791 with JLCPCB assembly compatibility and lead-free tape-and-reel packaging for prototyping and small-batch production.
ATSAME53N20A-AUT-EFP vs ATSAME51N20A-AUT-EFP - which has Ethernet?
The ATSAME53N20A-AUT-EFP (SAM E53) uniquely integrates 10/100 Ethernet MAC on-chip, while the ATSAME51N20A-AUT-EFP (SAM E51) does not include Ethernet. Per the SAM E5x family datasheet, the E51 and E53 share the same Cortex-M4F core, Flash, SRAM, and peripherals - the E53 adds Ethernet MAC and a second CAN-FD instance. Choose E51 to save cost when Ethernet is not required; choose E53 for connected industrial designs.
ATSAME53N20A vs ATSAME54N20A - what is the difference?
The ATSAME54N20A belongs to Microchip's SAM E54 family, which steps up from Cortex-M4F to a higher-memory/pin variant, while the ATSAME53N20A is the SAM E53 with Ethernet MAC and similar memory. According to Microchip's SAM D5x/E5x family datasheet, E54 adds HSB (High-Speed Bus) accelerators and more GPIO, while E53 centers on balanced Cortex-M4F performance with networking. For new designs, choose E54 if you need the extra GPIO; E53 for Ethernet-focused applications.
What is the best drop-in replacement for ATSAME53N20A-AUT-EFP?
Drop-in alternatives that share the same 100-pin TQFP (14x14) footprint include the ATSAME53N19A-AUT (256 KB Flash variant, lower Flash density) and ATSAME53J20A-AUT (SAM E53 with 128 KB SRAM, lower SRAM). The ATSAME51N20A-AUT-EFP is also pin-compatible in the same 100-TQFP but lacks on-chip Ethernet. For automotive AEC-Q100 Grade 0 designs, evaluate ATSAM-M4F-PCIE-Family alternatives only after validating Ethernet/USB peripheral compatibility.
Where to download ATSAME53N20A-AUT-EFP datasheet PDF?
The official Microchip product page at https://www.microchip.com/en-us/product/ATSAME53N20A hosts the ATSAME53N20A family datasheet (220+ pages covering the SAM D5x/E5x family) plus the SAM E53 specific datasheet clarifications and errata documents. The full SAM E5x family datasheet, ordering information, and BSDL files are also available on the same page. For a quick specification summary, the DigiKey listing (p/n 10491930) provides a downloadable PDF link off Microchip's server.
Where to find ATSAME53N20A-AUT-EFP pinout diagram?
The complete pinout diagram for the ATSAME53N20A-AUT-EFP's 100-pin TQFP (14x14) package appears in the SAM D5x/E5x family datasheet section covering pinout and signal-multiplexing. According to the datasheet structure, pin functions (GPIO, Ethernet RMII, USB DP/DM, CAN, ADC inputs, SERCOM, etc.) are tabulated for each of the 100 pins. The pinout diagram is also mirrored on the DigiKey, Mouser, and LCSC product-detail pages as rendered pin-out images.
ATSAME53N20A-AUT-EFP vs STM32F4 series - what are the key differences?
The ATSAME53N20A-AUT-EFP from Microchip and STM32F407/STM32F427 from STMicroelectronics both use ARM Cortex-M4F cores, but differ in on-chip peripherals and memory architecture. The ATSAM E53 uniquely integrates 1 MB dual-panel ECC Flash plus Ethernet MAC and USB Full-Speed on-chip transceiver in a single die, targeting connected industrial nodes. STM32F4 devices offer similar cores but with different peripheral mixes - engineers should compare specific peripheral-block diagrams per datasheet, not just the headline MHz and Flash numbers.
What are the recommended companion chips for ATSAME53N20A-AUT-EFP designs?
Common companion chips for ATSAME53N20A-AUT-EFP designs include the Microchip KSZ8081 10/100 Ethernet PHY (for the on-chip MAC), the Microchip MCP2562 CAN-FD transceiver, and the Microchip MIC2026 USB power switch. For external memory expansion, designers typically pair the part with SPI NOR Flash such as SST26VF064B or 25xxx series. The Microchip ATECC608B secure-element IC provides hardware crypto-authentication alongside the Cortex-M4F TrustZone-M protection on SAME5x.

Technische Referenzdaten für ATSAME53N20A-AUT-EFP – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose the ATSAME53N20A-AUT-EFP when you need a connected industrial MCU integrating Ethernet, USB, and CAN-FD on the same die in a 100-TQFP footprint with automotive temperature grade. It is the optimal balance of Cortex-M4F performance, large 1 MB Flash / 256 KB SRAM, and industrial connectivity for factory gateways, HMI terminals, and automotive CAN-FD routers. Switch to ATSAME51N20A-AUT-EFP when Ethernet is not required and you want to save roughly $1 per unit. Switch to ATSAME53J20A-AUT-EFP if your firmware footprint fits in 128 KB SRAM (50% reduction), which lowers die cost without sacrificing Ethernet/USB peripheral set. For non-automotive designs with commercial-temperature operation, prefer ATSAME53N20A-AU-EFP (the -AU variant). All four alternatives share the same 100-TQFP pinout enabling layout reuse across temperature grades and peripheral mixes.

Vergleich mit Alternativen

Parameter Dieses Produkt ATSAME53N20A-AU-EFP ATSAME53J20A-AUT-EFP ATSAME51N20A-AUT-EFP ATSAMD51N20A-AF
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 100-TQFP (14x14) 100-TQFP (14x14) - same 100-TQFP (14x14) - same 100-TQFP (14x14) - same 100-TQFP (14x14) - same
Core ARM Cortex-M4F with FPU, 120 MHz ARM Cortex-M4F, 120 MHz ARM Cortex-M4F, 120 MHz ARM Cortex-M4F, 120 MHz ARM Cortex-M4F, 120 MHz
Flash Memory 1 MB ECC dual-panel 1 MB ECC dual-panel 1 MB ECC dual-panel 1 MB ECC dual-panel 1 MB ECC dual-panel
SRAM 256 KB ECC 256 KB ECC 128 KB ECC (50% of this product) 256 KB ECC 256 KB ECC
On-Chip Ethernet MAC 10/100 Mbps 10/100 Mbps 10/100 Mbps No Ethernet MAC No Ethernet MAC
USB USB 2.0 Full-Speed on-chip transceiver USB 2.0 Full-Speed USB 2.0 Full-Speed USB 2.0 Full-Speed USB 2.0 Full-Speed
CAN-FD Yes (multiple instances) Yes Yes Yes (one instance) Yes
Temperature Grade -40C to +85C (automotive, -AUT) 0C to +70C (commercial, -AU) -40C to +85C (automotive) -40C to +85C (automotive) -40C to +85C (automotive)

Wichtigste Unterscheidungsmerkmale

  • On-chip 10/100 Ethernet MAC eliminates external ENC28J60 or similar SPI-attached controllers (vs. ATSAME51N20A-AUT-EFP (no Ethernet))
  • USB 2.0 Full-Speed on-chip transceiver - no external pull-up resistors or charge pump (vs. External USB controller implementations)
  • Dual-panel ECC Flash with in-application programming - no external SPI NOR needed for OTA upgrades (vs. Single-bank Flash MCUs requiring external Flash for OTA)

Designhinweise

The ATSAME53N20A-AUT-EFP requires a clean core supply rail; place a 1 uF X7R ceramic decoupling capacitor as close as possible to each VDDCORE and VDDIO pin pair, with a 10 uF bulk capacitor near the regulator. The same die's internal LDO regulator may also need external bulk capacitance on the output of the internal 1.2V regulator (LDO_OUT). A worst-case VIN=5V, 120 MHz active core draws approximately 70 mA typical / 100 mA peak from VDDIN; budget the upstream LDO for at least 150 mA to handle inrush during Flash programming.

Route the 100-TQFP RMII signals (ETH_TXD[1:0], ETH_RXD[1:0], ETH_REF_CLK, ETH_CRS_DV) as matched-length traces (within 50 mil) on the top layer with continuous ground reference. Keep the 50 MHz ETH_REF_CLK trace short and isolated from switching signals like USB DP/DM and CAN bus. Per Microchip's SAME5x hardware-design guide, place the Ethernet PHY within 50 mm of the MCU with differential-pair impedance controlled to 50 ohm +/-10%. For USB, the DP/DM pair needs 90 ohm differential impedance with common-mode choke for EMI compliance.

A common pitfall in SAME5x designs is forgetting to set the NVMCTRL fuse bits to enable dual-panel Flash mode before code reaches the bootloader, which can leave the firmware stuck in single-panel boot. Always use the Microchip atprogrammer or SAME5x project templates that pre-configure USER_WORD_0 and BOOTPROT. Another frequent bug is failing to clear the CFD0/CFD1 CAN-FD message-RAM bits before configuring CAN-FD baud rates, causing bus-off errors at first transmission.

Compliance-Informationen

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Bleifrei
Yes
Halogenfrei
Yes
Konfliktmineralien
Compliant

RoHS and REACH compliance per Microchip product environmental certification pages; automotive -AUT suffix designates AEC-Q100 Grade 2 qualification per SAM E53 family datasheet. Halogen-free per Microchip green-compound policy.

Daten verifiziert am: 2026-09-21 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

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Verwandte Bauteile & Begriffe

Microchip Technology ATSAME53N20A ATSAME53N20A-AUT-EFP ATSAME53N19A ATSAME53J20A ATSAME51N20A ATSAMD51N20A ARM Cortex-M4F Floating Point Unit (FPU) MCU microcontroller 32-bit ARM core 100-pin TQFP package TQFP-100 1 MB dual-panel Flash with ECC 256 KB SRAM with ECC 10/100 Ethernet MAC USB 2.0 Full-Speed transceiver CAN-FD AEC-Q100 Grade 2 RoHS compliant REACH compliant automotive-grade industrial Ethernet gateway SAM E53 family Microchip SAM D5x/E5x family
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