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ATSAME51J19A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64TQFP
- Series：SAM E51
- 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
- Number of I/O：51
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：192K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 3.63V
- Data Converters：A/D 24x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (10x10)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAME51J19A-AUT is an ARM-based microcontroller from the Microchip SAM E51 series, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum clock frequency of 120 MHz and includes 512 kB of Flash program memory and 192 kB of SRAM data RAM. The device provides 51 general-purpose I/O pins and supports a supply voltage range of 1.71 V to 3.6 V. It integrates multiple communication interfaces including CAN, LIN, I2C, SPI, and USART. The component is qualified under AEC-Q100 standards for automotive applications and functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated ARM Cortex-M4F processor with hardware floating-point acceleration for efficient signal processing.
- Automotive-grade qualification compliant with AEC-Q100 reliability standards.
- Comprehensive peripheral set supporting CAN, LIN, and high-speed serial communication protocols.
Applications
- Automotive body control modules
- Industrial motor control systems
- Smart sensor nodes
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with required interface standards and voltage levels before integration. Confirm RoHS compliance status through current datasheets. Check for any recent product change notices affecting pinout or electrical characteristics.
Selection Notes
Select this component when automotive reliability and real-time processing are required. The combination of 512 kB Flash and 192 kB RAM supports complex firmware implementations. Verify that the TQFP package fits the PCB layout constraints. Ensure the design accommodates the specified voltage and temperature operating ranges.
Part Context
This part belongs to the SAM E51 family, designed for cost-sensitive automotive and industrial applications. It shares architectural similarities with the SAM D51 but offers enhanced features and automotive certification. The family emphasizes low power consumption while maintaining high performance through the Cortex-M4F core.
Replacement Considerations
Consult official Microchip documentation for verified cross-reference parts. Generic substitutes may lack AEC-Q100 qualification or identical peripheral sets. Validate pin-to-pin compatibility and software library support before substitution.
