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ATSAMV71J21B-AAB
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64LQFP
- Series：SAM V71
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, Ethernet, I2C, IrDA, LINbus, SPI, SSC, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：44
- Program Memory Size：2MB (2M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：384K x 8
- Voltage - Supply (Vcc/Vdd)：3V ~ 3.6V
- Data Converters：A/D 5x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMV71J21B-AAB is a 32-bit microcontroller from the SAM V71 series, featuring an ARM Cortex-M7 core operating at a maximum frequency of 300 MHz. It integrates 2 MB of Flash memory and 384 KB of SRAM within a 144-pin LQFP package. The device supports a supply voltage range of 3.0 V to 3.6 V and operates between -40°C and +105°C. Key peripherals include 24 ADC channels with 12-bit resolution, multiple communication interfaces such as CAN, Ethernet (ENET), I2C, SPI, UART, USART, and USB, along with 114 general-purpose I/Os.
Feature Summary
- High-performance processing via ARM Cortex-M7 core optimized for complex control applications
- Integrated automotive-grade qualification supporting reliable operation in demanding environments
- Comprehensive connectivity suite including Ethernet and dual CAN controllers for networked systems
Applications
- Automotive instrument clusters and infotainment systems
- Industrial motor control and automation drives
- 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 required development tools such as Atmel-ICE or SAM V71-XULT. Check for any recent Product Change Notices regarding assembly or material updates before finalizing procurement plans.
Selection Notes
Select this component when high computational throughput and extensive peripheral integration are required. Compare pin counts and memory sizes against alternative SAM V71 variants to ensure optimal fit for board space and cost constraints. Validate that the LQFP-144 package aligns with PCB layout capabilities and thermal management requirements.
Part Context
This part belongs to the SAM V71 family, designed for high-end embedded applications. It shares architectural similarities with other Cortex-M7 based MCUs but offers distinct memory configurations and interface sets tailored for robust system integration.
Replacement Considerations
Consult official substitution guides for compatible parts within the SAM V71 or SAM E70 families. Verify pin-to-pin compatibility and software library support before transitioning to alternate models.
