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ATSAMD51N20A-AFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 100TQFP
- Series：SAM D51
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM
- 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 ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TQFP (14x14)
- Package / Case：100-TQFP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMD51N20A-AFT is a 32-bit microcontroller from the Microchip SAM D5x/E5x family, featuring an ARM Cortex-M4F core with a maximum clock frequency of 120 MHz. It integrates 1 MB of Flash memory and 256 KB of SRAM within a 100-TQFP package. The device supports extended industrial temperature ranges and includes AEC-Q100 qualification for automotive applications. Key peripherals include multiple communication interfaces such as SPI, I2C, USART, and USB, alongside high-resolution analog components.
Feature Summary
- Integrated floating-point unit (FPU) for efficient mathematical processing
- Automotive-grade reliability with AEC-Q100 certification
- Comprehensive connectivity suite including USB and serial interfaces
- High-resolution analog-to-digital conversion capabilities
Applications
- Automotive infotainment systems
- Industrial control panels
- Smart energy metering devices
- IoT gateway nodes
Procurement Notes
Verify the specific suffix 'AFT' confirms the tray packaging format and extended temperature range specifications. Ensure compatibility with the target PCB footprint for the 100-TQFP package. Cross-reference the latest datasheet revision to confirm pinout consistency and any silicon errata updates relevant to the manufacturing batch.
Selection Notes
Select this component when automotive qualification is required alongside high-performance computing. The 1 MB Flash capacity suits complex firmware requirements. Compare against non-automotive variants if cost sensitivity outweighs the need for AEC-Q100 certification. Evaluate peripheral count needs against the 81 available I/O pins.
Part Context
This part belongs to the SAM D51 series, designed for high-performance embedded applications. It shares architectural similarities with other SAM D5x devices but offers specific memory and package configurations tailored for space-constrained designs requiring robust processing power and extensive connectivity options.
Replacement Considerations
ATSAMD51N20A-AU-EFP
FAQ
What is the operating voltage range?
The device operates between 1.71 V and 3.6 V.
Does this MCU support floating-point operations?
Yes, it features an ARM Cortex-M4F core with a hardware FPU.
