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ATSAME54N20A-AU-EFP
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 100TQFP
- Series：SAM E54
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：81
- Program Memory Size：1MB (1M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：256K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 3.63V
- Data Converters：A/D 28x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TQFP (14x14)
- Package / Case：100-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAME54N20A-AU-EFP is a 32-bit microcontroller from the SAM E54 series, featuring an ARM Cortex-M4F core operating at 120MHz. It integrates 1MB of Flash memory and 256KB of RAM within a 100-TQFP package. The device supports a supply voltage range of 1.71V to 3.63V and operates between -40°C and +85°C. Key peripherals include Ethernet, USB, CANbus, I2C, SPI, UART, DMA, and multiple ADCs/DACs.
Feature Summary
- Integrated Ethernet MAC with dedicated DMA controller for high-throughput network communication
- ARM Cortex-M4F processor with hardware floating-point unit for efficient signal processing
- Comprehensive connectivity suite including USB OTG, CAN bus, and multiple serial interfaces
- Automotive-grade qualification ensuring reliability in demanding operational environments
Applications
- Industrial automation controllers requiring robust communication protocols
- Automotive infotainment and instrument cluster systems
- Smart energy metering devices with Ethernet or PLC connectivity
- Medical equipment requiring certified microcontroller components
Procurement Notes
Verify the specific suffix 'AU' against official Microchip documentation to confirm package type and temperature grade alignment. Ensure compatibility with existing PCB footprints for the 100-TQFP configuration. Cross-reference revision levels and errata sheets for silicon updates prior to final design freeze.
Selection Notes
Select this component when automotive certification (AEC-Q100) is mandatory alongside high-performance computing needs. Compare pin counts and peripheral availability against the ATSAME54P variant if additional I/O is required. Evaluate power consumption profiles against the ATSAME51 series if lower cost is prioritized over extended temperature ranges.
Part Context
This part belongs to the SAM E54 family, designed for applications requiring high performance and security. It shares architectural similarities with the SAM D5x series but adds automotive qualification and enhanced connectivity options like Ethernet. The family emphasizes low power consumption while maintaining high CPU throughput.
Replacement Considerations
ATSAME54N20A-AUT-EFP serves as a direct functional equivalent with identical specifications. Verify package marking differences and ensure lead-free compliance matches project requirements.
