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ATSAME51N20A-AUT-EFP
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 100TQFP
- Series：SAM E53
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-AUT-EFP is a 32-bit microcontroller from the SAM E51 family, built on an ARM Cortex-M4F core. It operates at a maximum clock frequency of 120MHz and includes 1MB of Flash memory and 256KB of RAM. The device features 81 I/O pins and supports multiple communication interfaces including USB, CANbus, Ethernet, SPI, I2C, UART, QSPI, MMC/SD, LINbus, IrDA, and EBI/EMI. It offers 28 channels of 12-bit ADC and 2 channels of 12-bit DAC. Operating voltage ranges from 1.71V to 3.63V with an industrial temperature range of -40°C to 85°C.
Feature Summary
- Integrated AEC-Q100 automotive qualification for reliable operation in demanding environments
- Supports advanced connectivity protocols including Ethernet and CANbus for networked applications
- Features high-performance analog peripherals with multiple 12-bit ADC and DAC channels
Applications
- Automotive infotainment systems
- Industrial motor control applications
- Smart building automation controllers
Procurement Notes
Verify the specific suffix 'AUT-EFP' confirms both the extended temperature range and tape-and-reel packaging format. Ensure the procurement documentation explicitly states AEC-Q100 compliance for automotive-grade validation. Cross-reference the manufacturer's latest datasheet revision to confirm pinout compatibility and electrical characteristics before finalizing orders.
Selection Notes
Select this component when automotive reliability standards are required alongside high-speed Ethernet and CANbus connectivity. The 120MHz Cortex-M4F core provides sufficient processing power for complex control algorithms. Verify that the 100-TQFP package fits the PCB footprint constraints and that the 1.71V minimum supply voltage aligns with the system power architecture.
Part Context
This part belongs to the Microchip SAM E51 series, designed for cost-sensitive automotive and industrial markets. It shares architectural similarities with the SAM D51 but adds robust connectivity options like Ethernet. The 'E51' designation indicates its position within the family, offering a balance between performance and peripheral richness suitable for connected devices.
Replacement Considerations
ATSAMD51N20A-AUT-EFP: Similar specifications but lacks automotive qualification. ATSAME51J19A-AUT-EFP: Lower pin count (64-TQFP) and reduced memory capacity.
