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ATSAMS70J21A-MN
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64QFN
- Series：SAM S70
- Mfr：Microchip Technology
- Package：Tray
- 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-MN 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 1.7V to 3.6V and includes five 12-bit ADC channels and one 12-bit DAC. Connectivity options include SPI, UART/USART, USB, I2C, IrDA, and LINbus interfaces, with 44 available I/O pins.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities for complex algorithm execution.
- Integrated memory architecture providing substantial non-volatile storage and high-speed RAM for data-intensive applications.
- Comprehensive peripheral set including multiple communication interfaces and analog converters for versatile system integration.
Applications
- Industrial control systems requiring robust processing and connectivity
- Medical devices needing precise analog signal acquisition
- Automotive infotainment and instrument clusters
- Smart home hubs and IoT gateways
Procurement Notes
Verify the specific suffix 'MN' against official Microchip documentation to confirm the tray packaging configuration, as other suffixes like 'MNT' indicate tape-and-reel formats. Ensure compatibility with required operating temperature ranges and voltage specifications before finalizing procurement orders.
Selection Notes
Select this component when a balance of moderate pin count and high processing power is required in a compact footprint. Compare against variants with smaller flash sizes if memory requirements are lower, or larger packages if more I/O pins are necessary for complex peripheral connections.
Part Context
This part belongs to the SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with the SAM E70 and V71 families but offers specific memory and interface configurations tailored for cost-sensitive yet powerful microcontroller needs.
Replacement Considerations
Direct substitutes within the same package and pinout may include ATSAMS70J21A-MNT for different packaging or ATSAMS70J20A-ANT for reduced memory capacity, provided software compatibility and feature sets align with project requirements.
