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ATSAME51N20A-AU-EFP
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 100TQFP
- Series：SAM E53
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：CANbus, EBI/EMI, 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 ATSAME51N20A-AU-EFP is a 32-bit microcontroller from the SAM E51 family, built on an ARM Cortex-M4F core with a maximum clock frequency of 120 MHz. It features 1 MB of program memory and 256 kB of data RAM. The device includes a 12-bit ADC and provides 81 I/O lines. Operating voltage ranges from 1.71 V to 3.63 V, with an operating temperature range of -40°C to +85°C. It is housed in a 100-TQFP package.
Feature Summary
- Integrated cryptographic engine supporting AES, RSA, ECC, and SHA for secure communications
- Built-in USB Device/Host/OTG controller with full-speed capability
- Advanced analog peripherals including multiple comparators and high-resolution PWMs
- Supports CAN bus communication protocols for industrial applications
Applications
- Industrial automation controllers
- Smart energy metering systems
- Medical instrumentation devices
- Automotive body electronics
Procurement Notes
Verify the specific suffix AU-EFP against official Microchip documentation to confirm the tape-and-reel packaging format and lead-free status. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability. Cross-reference the latest datasheet revision to confirm any errata or silicon revisions that may impact design implementation.
Selection Notes
Select this component when a balance of high performance and extensive connectivity is required within the SAM E51 series. It is suitable for designs needing significant flash memory and robust security features without moving to higher-end families. Consider the 100-pin TQFP package constraints for PCB layout and thermal management requirements during the initial hardware design phase.
Part Context
This part belongs to the SAM E51 family, which targets cost-sensitive IoT and industrial applications requiring enhanced security. It shares architectural similarities with the ATSAMD51 series but offers optimized peripheral sets for embedded control. The family emphasizes low power consumption while maintaining high processing speeds for real-time tasks.
Replacement Considerations
Consult the official SAM D5x/E5x Family Silicon Errata and Data Sheet Clarification document for potential substitutes. Verify compatibility with existing firmware libraries before transitioning to alternative part numbers within the same manufacturer portfolio.
