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ATSAME54N20A-AFT-SL3
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 100TQFP
- Series：SAM E54
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit
- Speed：100MHz
- 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：External, Internal
- Operating Temperature：-40°C ~ 125°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-AFT-SL3 is a 32-bit ARM Cortex-M4F microcontroller from the SAM E54 family. It features a maximum clock frequency of 120 MHz, 1 MB of Flash memory, and 256 kB of SRAM. The device operates within a voltage range of 1.71 V to 3.63 V and supports an industrial temperature range of -40°C to +85°C. It includes integrated peripherals such as Ethernet MAC, USB HS/FS, CAN FD, and multiple communication interfaces including SPI, I2C, and USART.
Feature Summary
- Integrated high-speed Ethernet MAC controller for network connectivity
- Supports USB High-Speed and Full-Speed operation modes
- Includes hardware security accelerators for AES-256 and SHA encryption
Applications
- Industrial automation controllers
- Smart energy metering systems
- Medical equipment requiring secure data transmission
Procurement Notes
Verify the specific suffix SL3 against official Microchip documentation to confirm packaging details and moisture sensitivity level. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference with the latest datasheet revision to confirm pinout compatibility and electrical characteristics before finalizing procurement.
Selection Notes
Select this component when a balance of processing power and connectivity is required. The Cortex-M4F core provides sufficient performance for real-time control applications. Verify that the available GPIO count meets interface requirements. Consider the extended peripheral set if complex communication protocols are necessary for the target application design.
Part Context
This MCU belongs to the SAM E54 series designed for secure IoT and industrial applications. It shares architectural similarities with the SAM D5x and SAM E70 families but offers optimized power consumption and specific connectivity features. The series emphasizes hardware security integration alongside standard microcontroller functionalities.
Replacement Considerations
Consult the Microchip SAM E54 family datasheet for verified cross-references. Alternative options may include other members of the SAM E54 series with different package sizes or memory configurations. Ensure any substitute maintains compatible pinouts and peripheral sets.
