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ATSAMD51P20A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 128TQFP
- 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：99
- 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 32x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：128-TQFP (14x14)
- Package / Case：128-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMD51P20A-AUT is a 32-bit microcontroller from the SAM D51 family, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum frequency of 120 MHz and includes 1 MB of in-system programmable flash memory and 256 KB of SRAM. The device supports a supply voltage range of 1.71 V to 3.63 V and is housed in a 128-TQFP package with 99 general-purpose I/O pins. It integrates multiple communication interfaces including Ethernet, CAN FD, USB, SPI, I2C, and UART.
Feature Summary
- Automotive-grade reliability certified under AEC-Q100 standards for operation in demanding environments.
- Integrated floating-point unit within the Cortex-M4F core enables efficient mathematical processing.
- Comprehensive connectivity suite supporting high-speed data transfer via Ethernet and CAN FD.
- Flexible power management capabilities with wide operating voltage ranges.
Applications
- Industrial automation controllers requiring robust communication protocols
- Automotive body electronics and gateway applications
- Smart energy metering systems
- Medical equipment control units
Procurement Notes
Verify that the specific part number suffix matches the required automotive qualification and package type. Confirm that the supplier provides traceability documentation consistent with Microchip's quality standards. Ensure compatibility with existing design tools and development boards before finalizing procurement decisions.
Selection Notes
Select this component when automotive certification is mandatory alongside high-performance computing needs. Compare against non-automotive variants if environmental constraints are less stringent. Evaluate pin count requirements carefully as the 128-pin package offers extensive peripheral access compared to smaller form factors.
Part Context
This MCU belongs to the SAM D5x/E5x family, designed for high-performance embedded applications. It shares architectural similarities with the ATSAME54 series but differs in specific peripheral availability such as Ethernet and CAN FD support. The device targets markets requiring both computational power and strict reliability standards.
Replacement Considerations
ATSAME54P20A-AUT-EFP serves as a compatible alternative within the same ecosystem. Verify peripheral mapping differences before substitution to ensure software compatibility.
