ATSAME53N20A-AUT-EFP - 120MHz Cortex-M4F MCU 1MB Flash 100-TQFP | Microchip
MPN： ATSAME53N20A-AUT-EFP ✓ 啟用中ATSAME53N20A-AUT-EFP 概覽
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).
直接替換替代品，適用於 ATSAME53N20A-AUT-EFP — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATSAME53N20A-AUT-EFP （相同外形與佔位） — 差異在於 ADC, Operating Temperature, USB, Package, Core.
ATSAME53N19A-AU-EFP
✅ 直接替換📋 參考替代品（不在目錄中）
ATSAME53N20A-AU-EFP
✅ 直接替換聯絡詢價
查看資料表 →ATSAME53J20A-AUT-EFP
✅ 直接替換聯絡詢價
查看資料表 →ATSAME51N20A-AUT-EFP
✅ 直接替換聯絡詢價
查看資料表 →ATSAME51N19A-AU-EFP
✅ 直接替換聯絡詢價
查看資料表 →ATSAMD51N20A-AF
✅ 直接替換聯絡詢價
查看資料表 →ATSAME53N20A-AUT-EFP 最大額定值與電氣特性
| 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 |
| 封裝 | 100-pin TQFP (14x14 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -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 狀態 | Compliant |
| Packaging | Tape & Reel (EFP suffix) |
ATSAME53N20A-AUT-EFP 100-pin tqfp (14x14 mm) 腳位配置指南
ATSAME53N20A-AUT-EFP（100-pin tqfp (14x14 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATSAME53N20A-AUT-EFP.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATSAME53N20A-AUT-EFP 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 ATSAME53N20A-AUT-EFP — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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) |
主要差異化特點
- On-chip 10/100 Ethernet MAC eliminates external ENC28J60 or similar SPI-attached controllers (對比ATSAME51N20A-AUT-EFP (no Ethernet))
- USB 2.0 Full-Speed on-chip transceiver - no external pull-up resistors or charge pump (對比External USB controller implementations)
- Dual-panel ECC Flash with in-application programming - no external SPI NOR needed for OTA upgrades (對比Single-bank Flash MCUs requiring external Flash for OTA)
設計說明
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.
合規資訊
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.
