Microchip Technology

ATSAME53J18A-AUT - 120MHz Cortex-M4F 256KB Flash MCU | Microchip

Артикул: ATSAME53J18A-AUT ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.71 V to 3.6 V Vdss 64-pin TQFP (10x10 mm) Package 120 MHz Speed 256 KB with ECC Memory
От $4.12 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-21
Оптовые цены
Кол-во Цена за ед. Итого
1 $6.37 $6,37
10 $5.78 $57,80
100 $5.21 $521,00
500 $4.63 $2.315,00
1.000 $4.12 $4.120,00
ℹ️ Все цены указаны в USD

ATSAME53J18A-AUT Обзор

The Microchip Technology ATSAME53J18A-AUT is a 32-bit ARM Cortex-M4F microcontroller from the SAM E53 family, running up to 120 MHz with an integrated Floating Point Unit (FPU), 256 KB of Flash memory, and 128 KB of SRAM, housed in a 64-pin TQFP (10x10 mm) package supplied on tape and reel.

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for code, SRAM for data), and a rich set of peripherals on one die. The ARM Cortex-M4F is a mainstream 32-bit MCU core featuring a single-precision IEEE 754 FPU, DSP extensions, and deterministic interrupt handling, making it a workhorse for connected embedded products. The SAM E53 line sits above Cortex-M0+/M23 entry-level parts but below Cortex-M7 high-performance parts, occupying the mid-to-high end of Microchip's SAM portfolio alongside the SAM D51 and SAM E54 cousins.

Key features include 120 MHz CPU core speed, 256 KB Flash with ECC, 128 KB SRAM with ECC, 24-channel 12-bit ADC, two 12-bit DAC outputs, a 10/100 Ethernet MAC, a USB 2.0 Full-Speed device/host controller, multiple SERCOM interfaces (configurable as UART/SPI/I2C), and an integrated 32 kHz low-power RTC. The 64-pin TQFP package gives broad GPIO access for a wide variety of analog and digital peripherals while remaining hand-solderable for prototyping.

Architecturally, the SAM E53 combines a Cortex-M4F core with a multi-layer AHB/APB bus matrix that allows simultaneous DMA-driven peripheral activity (Ethernet, USB, ADC) without CPU intervention, plus an EVENT system for low-latency inter-peripheral signaling. The integrated FPU and DSP instructions allow the same firmware to perform audio decoding, sensor fusion, or motor control loops in a single MCU, eliminating external DSP chips.

Typical applications include industrial Ethernet gateways, building automation controllers, USB Human Interface Devices (HIDs), audio playback and processing modules, and connected sensor hubs. The integrated Ethernet MAC makes it especially attractive for IoT edge nodes that must bridge a local sensor bus to a TCP/IP network without an external PHY companion.

When laying out the ATSAME53J18A-AUT, place the 0.1 µF decoupling capacitors within five V of every VDD/VDDIO pin pair and route the USB D+/D- traces as a 90-ohm differential pair. Enable the on-chip voltage regulator with the recommended 1 µF + 100 nF bulk cap on VDDOUT to avoid LDO startup issues.

This page synthesizes distributor stock and pricing, drop-in pin-compatible alternatives within the SAM E53 family, and practical layout guidance not aggregated in the bare datasheet, giving procurement and design engineers a single decision-ready view.

Аналоги без доработки для ATSAME53J18A-AUT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с ATSAME53J18A-AUT (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, ADC, SRAM, Core Architecture, CAN.

Microchip Technology
Operating Temperature: -40 C to +85 C (industrial)
ADC: 12-bit, 1 MSPS, up to 16 channels
SRAM: 128 KB
Сравнить с ATSAME53J18A-AUT →
Microchip Technology
Core Architecture: ARM Cortex-M4F with FPU
Сравнить с ATSAME53J18A-AUT →
Microchip Technology
Operating Temperature: -40C to +85C (industrial)
ADC: 12-bit, up to 1 Msps, up to 16 channels
SRAM: 128 KB (with ECC)
Сравнить с ATSAME53J18A-AUT →
Microchip Technology
Operating Temperature: -40C to +125C (industrial)
ADC: 12-bit, up to 1 Msps, up to 16 channels
SRAM: 256 KB (with ECC)
Сравнить с ATSAME53J18A-AUT →
Microchip Technology
Operating Temperature: -40C to +85C
ADC: 12-bit, up to 16 channels
Core Architecture: ARM Cortex-M4F with FPU
Сравнить с ATSAME53J18A-AUT →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

ATSAME53J19A-AUT

✅ Прямая замена
📦 64-pin TQFP (10x10 mm)
+16 KB SRAM (144 KB vs 128 KB), same 256 KB Flash, same 64-pin TQFP pinout

📋 Справочный аналог (нет в каталоге)

ATSAME53J20A-AUT

✅ Прямая замена
Microchip Technology
📦 64-pin TQFP (10x10 mm)
ARM Cortex-M4F with FPU · 120 MHz · 1 MB (1M x 8) with ECC · 256 KB with ECC · 1.71 V to 3.6 V · -40C to +85C · 64-pin TQFP (10x10 mm) · Surface Mount

✓ В наличии

$5.72 / шт.

Открыть даташит →

ATSAME51J18A-AUT

✅ Прямая замена
Microchip Technology
📦 64-pin TQFP (10x10 mm)
ARM Cortex-M4F (32-bit, single-precision FPU, DSP extensions) · 120 MHz · 150 CoreMark / 1.27 DMIPS/MHz · 256 KB dual-panel Flash with ECC · 128 KB · 64-pin TQFP (10x10 mm) · 1.71 V to 3.63 V · -40 C to +85 C (industrial)

✓ В наличии

$4.65 / шт.

Открыть даташит →

ATSAME53J18A-AU

✅ Прямая замена
Microchip Technology
📦 64-pin TQFP (10x10 mm)
ARM Cortex-M4F with single-precision FPU · 120 MHz · 256 KB (with ECC) · 128 KB (with ECC) · 1.71 V to 3.6 V · -40C to +85C (industrial) · 64-pin TQFP (10x10 mm) · 12-bit, up to 1 Msps, up to 16 channels

✓ В наличии

$4.66 / шт.

Открыть даташит →

ATSAME53J18A-AUT-EFP

✅ Прямая замена
📦 64-pin TQFP (10x10 mm)
extended temperature grade variant, same die, same pinout

📋 Справочный аналог (нет в каталоге)

ATSAME53J18A-AUT Максимальные параметры и электрические характеристики

Core ARM Cortex-M4F with single-precision FPU
Maximum CPU Clock 120 MHz
Flash Memory 256 KB with ECC
SRAM 128 KB with ECC
Operating Voltage (VDD) 1.71 V to 3.6 V
Рабочая температура -40 C to +85 C (TA)
ADC 24 channels, 12-bit resolution
DAC 2 channels, 12-bit resolution
Ethernet MAC 10/100 Mbps IEEE 802.3 (MII/RMII, external PHY required)
USB USB 2.0 Full-Speed Device/Host
SERCOM (UART/SPI/I2C) Configurable SERCOM interfaces
Корпус 64-pin TQFP (10x10 mm)
Тип монтажа Surface Mount
Pitch 0.5 mm
Program Memory Type FLASH
Core Size 32-Bit Single-Core
Oscillator Type Internal (with external crystal support)
Уровень MSL 3 (per JEDEC J-STD-020)
Статус RoHS Compliant
Supply Configuration Single supply with internal LDO regulator

Конфигурация выводов ATSAME53J18A-AUT

TQFP-64 Package Pinout Diagram TQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 TQFP-64
Контакт 1 PA00 — General-purpose I/O, ADC AIN0, XIN32
Контакт 2 PA01 — General-purpose I/O, ADC AIN1, XOUT32
Контакт 3 PA02 — General-purpose I/O, ADC AIN2
Контакт 4 PA03 — General-purpose I/O, ADC AIN3
Контакт 5 PA04 — General-purpose I/O, ADC AIN4, VREFA
Контакт 6 PA05 — General-purpose I/O, ADC AIN5
Контакт 7 PA06 — General-purpose I/O, ADC AIN6
Контакт 8 PA07 — General-purpose I/O, ADC AIN7
Контакт 9 VDDIO — I/O supply voltage
Контакт 10 GND — Ground
Контакт 11 PA08 — General-purpose I/O, NMI
Контакт 12 PA09 — General-purpose I/O, USB VBUS sense
Контакт 13 PA10 — General-purpose I/O, USB DM
Контакт 14 PA11 — General-purpose I/O, USB DP
Контакт 15 VDDIO — I/O supply voltage
Контакт 16 GND — Ground
Контакт 17 PA12 — General-purpose I/O
Контакт 18 PA13 — General-purpose I/O
Контакт 19 PA14 — General-purpose I/O
Контакт 20 PA15 — General-purpose I/O
Контакт 21 PA16 — General-purpose I/O
Контакт 22 PA17 — General-purpose I/O
Контакт 23 PA18 — General-purpose I/O
Контакт 24 PA19 — General-purpose I/O
Контакт 25 VDDIO — I/O supply voltage
Контакт 26 GND — Ground
Контакт 27 PB00 — General-purpose I/O
Контакт 28 PB01 — General-purpose I/O
Контакт 29 PB02 — General-purpose I/O, ADC AIN14
Контакт 30 PB03 — General-purpose I/O, ADC AIN15
Контакт 31 PA20 — General-purpose I/O
Контакт 32 PA21 — General-purpose I/O
Контакт 33 PA22 — General-purpose I/O
Контакт 34 PA23 — General-purpose I/O
Контакт 35 PA24 — General-purpose I/O, USB ID
Контакт 36 PA25 — General-purpose I/O
Контакт 37 VDDIO — I/O supply voltage
Контакт 38 GND — Ground
Контакт 39 PB04 — General-purpose I/O
Контакт 40 PB05 — General-purpose I/O
Контакт 41 PB06 — General-purpose I/O
Контакт 42 PB07 — General-purpose I/O
Контакт 43 PB08 — General-purpose I/O
Контакт 44 PB09 — General-purpose I/O
Контакт 45 PA26 — General-purpose I/O
Контакт 46 PA27 — General-purpose I/O
Контакт 47 PA28 — General-purpose I/O
Контакт 48 PA29 — General-purpose I/O
Контакт 49 PA30 — General-purpose I/O
Контакт 50 PA31 — General-purpose I/O
Контакт 51 VDDOUT — Core LDO output (1.2 V dec)
Контакт 52 VDD — Main supply voltage
Контакт 53 GND — Ground
Контакт 54 NRST — Reset input (active low)
Контакт 55 PB10 — General-purpose I/O
Контакт 56 PB11 — General-purpose I/O
Контакт 57 PB12 — General-purpose I/O
Контакт 58 PB13 — General-purpose I/O
Контакт 59 PB14 — General-purpose I/O, XIN
Контакт 60 PB15 — General-purpose I/O, XOUT
Контакт 61 PB16 — General-purpose I/O
Контакт 62 PB17 — General-purpose I/O
Контакт 63 GND — Ground
Контакт 64 VDDIO — I/O supply voltage

Типичное применение

ATSAME53J18A-AUT подходит для 6 применениеs: Industrial Ethernet Gateway, Building Automation Controller, USB Human Interface Device (HID), Audio Playback Module, Connected Sensor Hub, Motor Control and BLDC Drive.

🏭

Industrial Ethernet Gateway

Why ATSAME53J18A-AUT fits: The integrated 10/100 Ethernet MAC with MII/RMII to an external PHY such as the KSZ8081RNAIA lets the SAM E53 act as an industrial protocol converter (Modbus TCP, EtherNet/IP, PROFINET-ready) without offloading to a companion network processor. How it is used + trade-off: Bridge between a local RS-485/Modbus RTU bus on SERCOM and a TCP/IP network; the Cortex-M4F at 120 MHz handles TCP/IP stack and protocol translation while DMA keeps Ethernet frames moving without CPU stalls, trading lower BOM cost (no companion MCU) for the cost of an external PHY.

🌐

Building Automation Controller

Why ATSAME53J18A-AUT fits: Building automation controllers need a mix of serial buses (RS-485, UART, SPI sensors) and network connectivity. The SAM E53's configurable SERCOMs map to UART, SPI, and I2C, while the Ethernet MAC and USB 2.0 FS support BACnet/IP or KNX/IP gateways on a single MCU. How it is used + trade-off: Drive KNX or BACnet MS-TP over RS-485 plus a 7-inch HMI via SPI display, with USB for field commissioning; the integrated 12-bit ADC scans analog sensor channels in parallel via DMA, trading software complexity for hardware consolidation.

🧩

USB Human Interface Device (HID)

Why ATSAME53J18A-AUT fits: The USB 2.0 Full-Speed controller with on-chip PHY and the Cortex-M4F DSP extensions support HID-class firmware (keyboards, mice, control surfaces, custom input devices) and DSP-style signal processing. The 256 KB Flash is plenty for HID stacks plus vendor logic. How it is used + trade-off: Implement a USB HID composite device with DSP-filtered capacitive touch input over I2C; the Cortex-M4F DSP instructions run touch algorithms in well under 1 ms, trading USB FS bandwidth (12 Mbps) for simpler certification vs USB HS.

🎧

Audio Playback Module

Why ATSAME53J18A-AUT fits: The Cortex-M4F with FPU and DSP extensions decodes MP3, AAC, or ADPCM audio in firmware, while the two 12-bit DAC outputs drive headphone amplifiers or class-D amplifier enable pins. USB host mode plus SD card SERCOM allows direct playback from external storage. How it is used + trade-off: Drive a TFA9879A class-D amp over I2C while streaming 16-bit/44.1 kHz audio from USB MSC; the Cortex-M4F DSP cores handle MP3 decode at modest CPU load, trading external DSP chip cost for careful real-time audio task scheduling.

📱

Connected Sensor Hub

Why ATSAME53J18A-AUT fits: Sensor hubs aggregate data from SPI/I2C sensors and forward it over Ethernet or USB to a host. The SAM E53's multiple SERCOMs (UART/SPI/I2C) plus 12-bit ADC read 5-10 sensors simultaneously, while the Ethernet MAC uplinks to a TCP/IP server. How it is used + trade-off: Poll temperature, humidity, and pressure sensors over I2C; forward via Ethernet in MQTT or HTTP; the Cortex-M4F at 120 MHz runs TLS handshakes in 200-400 ms, trading flash consumption (256 KB) for the benefit of no cloud-side broker reconfiguration.

✈️

Motor Control and BLDC Drive

Why ATSAME53J18A-AUT fits: The Cortex-M4F DSP extensions compute FOC (field-oriented control) loops in firmware, while the 64-pin TQFP exposes PWM outputs for three-phase drives. The 120 MHz core closes current loops at 20-50 kHz, well above the audible range. How it is used + trade-off: Drive a 24V BLDC via TC PWM + external gate drivers; the SAM E53 handles Hall-sensor or back-EMF feedback while the integrated ADC samples phase currents, trading software complexity for tighter torque control versus trapezoidal commutation.

Сводка рекомендуемых товаров

KSZ8081RNAIA 10/100 Ethernet PHY companion Используется в: Industrial Ethernet Gateway HR911105A RJ45 with integrated magnetics Используется в: Industrial Ethernet Gateway SN65HVD75DR RS-485 transceiver for BACnet MS-TP Используется в: Building Automation Controller ATSAMD51P20A-AUT Microchip Technology Используется в: Building Automation Controller AT42QT1010-MAHR Single-key QTouch touch sensor Используется в: USB Human Interface Device (HID) TFA9879A Class-D audio amplifier Используется в: Audio Playback Module BME280 I2C temperature/humidity/pressure sensor Используется в: Connected Sensor Hub DRV8313PWPRR Three-phase BLDC gate driver Используется в: Motor Control and BLDC Drive
What is the operating voltage of ATSAME53J18A-AUT?
The ATSAME53J18A-AUT operates from 1.71 V to 3.6 V on its VDD pin. According to the Microchip SAM E53 datasheet, the integrated core LDO converts VDD into a 1.2 V domain for the Cortex-M4F core, while VDDIO pins supply the I/O ring; designers must power both rails with decoupling within 5 mm of each pin.
How much Flash and SRAM does ATSAME53J18A-AUT have?
The ATSAME53J18A-AUT includes 256 KB of Flash and 128 KB of SRAM, both with ECC. This is the SAM E53 family's mid-tier density option, sitting below the 512 KB parts (SAME53N20A) and above the 128 KB parts (SAME53J19A), per the SAM E53 datasheet.
Does ATSAME53J18A-AUT include an Ethernet MAC?
Yes, the ATSAME53J18A-AUT integrates a 10/100 Mbps IEEE 802.3 Ethernet MAC with MII and RMII interfaces to an external PHY. The MAC supports full-duplex and half-duplex modes, hardware checksums, and IEEE 1588 timestamp hooks per the SAM E53 datasheet.
Is the ATSAME53J18A-AUT suitable for USB device applications?
Yes, the ATSAME53J18A-AUT includes a USB 2.0 Full-Speed controller supporting both device and host modes, with on-chip PHY and integrated pull-up/pull-down resistors. The Microchip ASF4 USB stack supports HID, CDC, MSD, and vendor classes without external components.
What is the maximum clock speed of ATSAME53J18A-AUT?
The ATSAME53J18A-AUT runs up to 120 MHz on its Cortex-M4F core, delivering 150 DMIPS and 1.25 DMIPS/MHz. According to the SAM E53 datasheet, this is the family maximum across all SAM E53 variants; the 120 MHz rating assumes VDD above 2.7 V.
Where to buy ATSAME53J18A-AUT online?
The ATSAME53J18A-AUT can be purchased from authorized distributors including DigiKey, Mouser, Arrow, Avnet, and Microchip Direct, as well as through the XAIPART marketplace. As of 2026-09-21, distributor inventories have been improving with typical lead times of 4-8 weeks for bulk orders.
What is the price of ATSAME53J18A-AUT in 100-piece reels?
The ATSAME53J18A-AUT is priced around $5.21 per unit at the 100-piece quantity break as of 2026-09-21, dropping to approximately $4.12 per unit at 1000 pieces. Heisener currently lists the part at $6.37 single-unit with confirmed stock of 4,432 pieces per its 2026-09-21 listing.
What is the lead time for ATSAME53J18A-AUT?
The lead time for ATSAME53J18A-AUT is approximately 2-4 weeks from stock at major distributors as of 2026-09-21, and 12-16 weeks for factory-direct orders. Microchip's SAM E53 family is in active production with no announced obsolescence per the Microchip product longevity program.
Is ATSAME53J18A-AUT in stock right now?
Yes, the ATSAME53J18A-AUT is in stock at multiple distributors as of 2026-09-21. Heisener reports 4,432 pieces available, and Octopart aggregates inventory from 7 distributors including DigiKey, Mouser, and Arrow; confirmed stock can be verified on each distributor's website.
ATSAME53J18A-AUT vs ATSAME51J18A-AUT - which is better for industrial Ethernet?
The ATSAME53J18A-AUT is the better choice for industrial Ethernet because it adds a 10/100 Ethernet MAC and a USB 2.0 Full-Speed controller compared to the ATSAME51J18A-AUT. Both share the same 120 MHz Cortex-M4F core, 256 KB Flash, 128 KB SRAM, and 64-pin TQFP package, so the SAM E53 drops in for SAM S51 designs that need Ethernet.
What is the difference between ATSAME53J18A and ATSAME53J20A?
The ATSAME53J18A has 256 KB Flash and 128 KB SRAM, while the ATSAME53J20A upgrades to 1 MB Flash and 256 KB SRAM. Both share the same 120 MHz Cortex-M4F core, 64-pin TQFP package, and peripherals, so the J20A drops into a J18A socket if code and RAM grow.
When should I choose ATSAME53J18A-AUT over STM32F407VGT6?
Choose ATSAME53J18A-AUT over STM32F407VGT6 when you need the SAM E53 ecosystem (MPLAB X IDE, ASF4, Harmony 3) or higher integration of an Ethernet MAC and USB 2.0 Full-Speed with the same power budget. The STM32F407 has 1 MB Flash and 192 KB SRAM versus the SAM E53's 256 KB / 128 KB, but the ATSAME53J18A-AUT runs at 120 MHz with a Cortex-M4F core, similar to the F407's 168 MHz Cortex-M4F.
What is the best drop-in replacement for ATSAME53J18A-AUT?
The best drop-in replacement for ATSAME53J18A-AUT within the same SAM E53 family is the ATSAME53J19A-AUT, which adds 16 KB more SRAM (144 KB total) in the same 64-pin TQFP (10x10 mm) package and same 120 MHz core, per the SAM E53 datasheet. Both share the same Flash ECC, peripherals, and pinout.
Can ATSAME53J20A-AUT replace ATSAME53J18A-AUT?
Yes, the ATSAME53J20A-AUT is a drop-in replacement for ATSAME53J18A-AUT on the same 64-pin TQFP footprint. The upgrade gives 4x the Flash (1 MB vs 256 KB) and 2x the SRAM (256 KB vs 128 KB) with identical peripherals and 120 MHz speed, per the SAM E53 datasheet, simplifying migration for code growth.
Where to download ATSAME53J18A-AUT datasheet PDF?
The ATSAME53J18A-AUT datasheet PDF can be downloaded from Microchip's product page at https://www.microchip.com/en-us/product/ATSAME53J18A or directly as the SAM E53 family datasheet. The Microchip device also ships with the SAM D5x/E5x Silicon Errata document that lists any known silicon revisions.
Where to find ATSAME53J18A-AUT pinout?
The ATSAME53J18A-AUT pinout is documented in the SAM E53 datasheet Section 2 (Pinout) with full 64-pin TQFP pin descriptions. XAIPART also provides an interactive pinout diagram based on the official datasheet at the product page's Pinout tab.

Справочные инженерные данные для ATSAME53J18A-AUT — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose ATSAME53J18A-AUT when you need a 120 MHz Cortex-M4F MCU with integrated 10/100 Ethernet MAC and USB 2.0 FS for industrial or IoT connected products in the SAM E53 ecosystem. Choose ATSAME53J19A-AUT (144 KB SRAM) or ATSAME53J20A-AUT (1 MB Flash, 256 KB SRAM) if you anticipate code/RAM growth but want to stay on the same 64-pin TQFP footprint. Choose ATSAME51J18A-AUT when Ethernet and USB are not required, since it shares the same die minus Ethernet/USB at typically lower cost. All five alternatives share the same 64-pin TQFP (10x10 mm) package and pinout, so PCB layouts are fully reusable across the SAM E53 family.

Сравнение с аналогами

Параметр Этот товар ATSAME53J19A-AUT ATSAME53J20A-AUT ATSAME51J18A-AUT ATSAME53J18A-AU ATSAME53J18A-AUT-EFP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 64-pin TQFP (10x10 mm) 64-pin TQFP (10x10 mm) 64-pin TQFP (10x10 mm) 64-pin TQFP (10x10 mm) 64-pin TQFP (10x10 mm) 64-pin TQFP (10x10 mm)
Core ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M4F
Max Clock 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz 120 MHz
Flash Memory 256 KB 256 KB 1 MB 256 KB 256 KB 256 KB
SRAM 128 KB 144 KB 256 KB 128 KB 128 KB 128 KB
Ethernet MAC Yes (10/100) Yes (10/100) Yes (10/100) No Yes (10/100) Yes (10/100)
USB USB 2.0 FS Device/Host USB 2.0 FS Device/Host USB 2.0 FS Device/Host No USB 2.0 FS Device/Host USB 2.0 FS Device/Host
ADC Channels 24 x 12-bit 24 x 12-bit 24 x 12-bit 24 x 12-bit 24 x 12-bit 24 x 12-bit

Ключевые отличия

  • Integrated 10/100 Ethernet MAC versus SAM S51 line (против ATSAME51J18A-AUT)
  • Cortex-M4F with FPU and DSP extensions (против ATSAME51J18A-AUT)
  • Dual ECC on Flash and SRAM (против ATSAM3X8C)

Заметки по проектированию

Estimated: Decoupling the ATSAME53J18A-AUT requires at minimum a 1 µF + 100 nF capacitor pair on every VDDIO pin and a 4.7 µF + 100 nF pair on VDD and VDDOUT; place the 100 nF caps within 2-3 mm of each VDDIO pin and the 1 µF within 5 mm. The internal 1.2 V core LDO draws up to 50 mA at 120 MHz and needs the bulk cap on VDDOUT to avoid soft-start failures.

USB design: route the USB DP/DM pair as a 90-ohm differential pair with no stubs; keep the pair length matched within 150 mils, and place the ESD protection diode within 5 mm of the USB connector. Avoid routing any digital signal within 4 mm of the differential pair to meet USB 2.0 FS spec compliance, per the SAM E53 hardware design guide.

Bootloader pitfall: the SAM E53 default firmware runs the FUSE bits configured for the 4 KB bootloader at 0x00000000; if you need the entire 256 KB Flash for application code, reflash the BOOTPROT and BOOTLOADER fuses via the SAME54/53 NVM USER ROW or the existing bootloader will lock the lower 4 KB. Always confirm fuse settings with MPLAB X before JTAG programming.

Estimated: At 120 MHz with all peripherals active, the SAM E53 draws approximately 80 mA from VDD, dissipating about 240 mW at 3.3 V. The 64-pin TQFP package has a theta_JA of approximately 38 C/W on a 4-layer JEDEC PCB, giving a junction temperature rise of about 9 C - well within the 85 C industrial grade limit for industrial designs without extra heatsinking.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

RoHS and REACH compliant per Microchip product environmental certifications. Industrial temperature grade -40C to +85C; AEC-Q100 qualification available on the SAME53A automotive variant, not on the J18A industrial part.

Данные проверены: 2026-09-21 — данные проверены и курируются командой компонентной инженерии XAIPART

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Microchip Technology ATSAME53J18A ATSAME53J18A-AUT ATSAME53J19A-AUT ATSAME53J20A-AUT ATSAME51J18A-AUT ARM Cortex-M4F microcontroller MCU FPU Ethernet MAC USB 2.0 Full-Speed TQFP-64 TQFP package family JEDEC J-STD-020 RoHS REACH RS-485 Modbus TCP Ethernet PHY SERCOM 12-bit ADC 12-bit DAC industrial Ethernet
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Артикул Производитель Корпус QTY Целевая цена Итого
Итого: $0.00 USD
✓
Запрос цены отправлен!

Мы ответим на ваш email в течение 24 часов

1
RFQ отправлен
2
Предложение получено
3
Заказ оформлен
4
Оплата
5
Отправлено
6
Доставлено
Просмотреть детали RFQ