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ATSAME51J19A-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64TQFP
- Series：SAM E51
- Mfr：Microchip Technology
- Package：Tray
- 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-AU is a 32-bit ARM Cortex-M4F microcontroller from the SAM E51 family, operating at a maximum clock frequency of 120 MHz. It features 512 kB of Flash program memory and 192 kB of SRAM data RAM. The device provides 51 general-purpose I/Os and includes a 12-bit ADC with 24 channels and a 12-bit DAC. It supports interfaces including CAN, LIN, I2C, SPI, and USART. Operating voltage ranges from 1.71 V to 3.6 V, with an industrial temperature range of -40°C to +85°C. It is housed in a 64-pin TQFP package.
Feature Summary
- Integrated floating-point unit (FPU) within the ARM Cortex-M4F core for efficient mathematical processing.
- Supports automotive reliability standards through AEC-Q100 qualification.
- Includes multiple communication peripherals such as CAN, LIN, I2C, SPI, and USART.
- Features high-resolution analog conversion capabilities with 24-channel 12-bit ADC and 12-bit DAC.
Applications
- Automotive body electronics and control modules
- Industrial motor control applications
- Smart home and building automation systems
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with required interface protocols before integration. Check for recent Product Change Notifications regarding packaging or assembly site changes. Confirm moisture sensitivity level handling requirements during assembly.
Selection Notes
Select this component when automotive-grade reliability is required alongside high-performance computing. Compare memory sizes against similar models like ATSAMD51 if automotive certification is not needed. Verify that the 64-pin TQFP package fits the board layout constraints. Ensure power supply design accommodates the specified voltage range.
Part Context
This MCU belongs to the SAM E51 series, designed for cost-sensitive automotive and industrial markets. It shares architectural similarities with the SAM D51 but adds automotive qualification. The series targets applications needing robust connectivity and processing power in compact packages.
Replacement Considerations
ATSAMD51J19A-AU offers identical specifications without automotive qualification. ATSAME51J20A provides increased memory capacity in the same package family.
