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ATSAME54P20A-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 128TQFP
- Series：SAM E54
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4F
- Core Size：32-Bit Single-Core
- Speed：120MHz
- 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：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 ATSAME54P20A-AU is a 32-bit microcontroller from the SAM E54 family, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at frequencies up to 120 MHz and includes 1 MB of Flash memory and 256 KB of SRAM. The device supports a supply voltage range of 1.71 V to 3.63 V and offers 99 general-purpose I/Os. Connectivity options include Ethernet MAC, USB HS/FS, CAN FD, and various serial interfaces. It is housed in a 128-TQFP package and certified for automotive applications under AEC-Q100 standards.
Feature Summary
- Automotive-grade reliability certified to AEC-Q100 standards for extended temperature operation
- Integrated hardware security features including AES-256, SHA, and true random number generation
- High-performance processing with ARM Cortex-M4F core and dedicated floating-point unit
- Comprehensive connectivity suite supporting Ethernet, USB, and CAN FD protocols
Applications
- Automotive infotainment systems and instrument clusters
- Industrial motor control and automation drives
- Smart energy metering and grid infrastructure devices
- Medical equipment requiring high reliability and precision
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding pin assignments and thermal requirements. Confirm that the selected variant meets all necessary automotive or industrial qualification standards for your specific application environment.
Selection Notes
Select this component when automotive certification and robust security are required alongside high-speed processing. Compare performance metrics against lower-tier SAM E54 variants if cost reduction is critical. Evaluate power consumption profiles against alternative MCUs if battery life is a primary design constraint for the target system.
Part Context
This part belongs to the SAM E54 series, designed for secure and connected embedded applications. It shares architectural similarities with other SAM E5x devices but offers specific memory and peripheral configurations tailored for demanding environments. The series emphasizes ease of development through Harmony software integration.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout and electrical specifications to avoid redesign.
