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ATSAMD51J20A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 64TQFP
- 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：51
- 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 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 ATSAMD51J20A-AUT is an ARM Cortex-M4F microcontroller from the SAM D51 family, featuring a maximum clock frequency of 120 MHz. It integrates 1 MB (1024 KB) of Flash program memory and 256 kB of SRAM data RAM within a 64-pin TQFP package. The device supports a supply voltage range of 1.71 V to 3.6 V and operates between -40°C and +85°C. Key peripherals include 24-channel 12-bit ADCs, two 12-bit DACs, and interfaces such as USB, CAN, LIN, I2C, SPI, and USART.
Feature Summary
- Integrated floating-point unit for enhanced mathematical processing performance
- Built-in USB Device/Host/OTG controller with full-speed capability
- Advanced analog peripherals including high-resolution ADCs and DACs
- Comprehensive connectivity suite supporting multiple serial communication protocols
Applications
- Industrial control systems requiring robust peripheral integration
- Medical devices needing precise analog signal acquisition
- Consumer electronics utilizing USB connectivity features
- Automotive applications certified under AEC-Q100 standards
Procurement Notes
Verify the specific suffix 'AUT' indicates tape and reel packaging configuration distinct from tray options. Confirm AEC-Q100 automotive qualification status aligns with project requirements. Ensure ESD handling procedures are followed due to moisture sensitivity classification. Cross-reference datasheet revisions for any silicon errata updates prior to final design implementation.
Selection Notes
Select this component when 1 MB of non-volatile storage and 256 kB of RAM are required alongside USB functionality. The 120 MHz speed suits complex algorithmic tasks. Compare against ATSAME51 series if Ethernet or extended temperature ranges beyond standard industrial limits are necessary. Evaluate pin count compatibility with existing PCB layouts.
Part Context
This part belongs to the Microchip SAM D51 family of 32-bit ARM Cortex-M4F microcontrollers. It shares architectural similarities with the ATSAME51 series but differs in integrated peripherals like Ethernet controllers. The SAM D51 line focuses on cost-effective solutions with strong analog and USB capabilities for embedded applications.
Replacement Considerations
ATSAMD51J20A-AU serves as a tray-packaged alternative with identical electrical characteristics. ATSAME51J20A offers similar core specs but lacks certain interface variations.
