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ATSAMS70J21A-MNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64QFN
- Series：SAM S70
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：I2C, IrDA, LINbus, SPI, SSC, UART/USART, USB
- 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)：1.08V ~ 3.6V
- Data Converters：A/D 5x12b; D/A 1x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMS70J21A-MNT is a 32-bit microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 2MB of flash memory and 384KB of SRAM within a 64-QFN (9x9) package. The device supports a supply voltage range of 1.08V to 3.6V and includes peripherals such as DMA, PWM, and multiple communication interfaces including USB, SPI, and UART.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with DSP instructions
- Integrated large memory capacity for complex application storage
- Comprehensive connectivity suite supporting industrial and consumer protocols
- Advanced analog conversion capabilities with multiple ADC channels
Applications
- Industrial automation controllers requiring high-speed processing
- Human-machine interface (HMI) displays with graphical rendering
- Medical devices needing precise analog signal acquisition
- Smart home hubs utilizing wireless communication modules
Procurement Notes
Verify the specific suffix MNT corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the 64-QFN pinout matches the target PCB footprint design. Ensure compatibility with the intended operating temperature range of -40°C to 105°C for the final application environment.
Selection Notes
Select this component when a balance of moderate I/O count and substantial memory is needed in a compact form factor. It is suitable for designs where USB connectivity is essential but extensive external memory expansion is not required. Consider thermal dissipation requirements due to the QFN package density.
Part Context
This part belongs to the Microchip SAM S70 family, designed for applications demanding robust performance and rich peripheral sets. The J21 variant specifically denotes the 2MB flash and 384KB RAM configuration within the 64-pin QFN package, distinguishing it from higher I/O or different memory variants in the same series.
Replacement Considerations
Direct substitutes include other SAM S70 variants with identical memory and core specifications but different packages, such as ATSAMS70J21A-AN for LQFP-64. Cross-family migration to SAM V70 may require software adaptation despite architectural similarities.
