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ATSAMS70J21A-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64LQFP
- Series：SAM S70
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：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)：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-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMS70J21A-ANT is a 32-bit microcontroller from the Microchip 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-pin LQFP package. The device supports a supply voltage range of 1.08V to 3.6V and includes peripherals such as USB, SPI, UART/USART, I2C, IrDA, and LINbus. It offers 44 I/O lines, five 12-bit ADC channels, one 12-bit DAC, and operates between -40°C and +105°C.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with DSP instructions
- Integrated external bus interface for flexible memory expansion
- Comprehensive connectivity suite including USB OTG and multiple serial interfaces
- Advanced analog capabilities with multiple high-resolution ADCs and DACs
Applications
- Industrial automation controllers
- Medical equipment signal processing
- Smart metering systems
- Human-machine interface displays
Procurement Notes
Verify the specific suffix 'ANT' corresponds to the LQFP-64 package variant when sourcing. Confirm the manufacturer part number matches exactly to ensure correct pinout and thermal characteristics. Check for any recent product change notices regarding packaging or material composition updates before finalizing procurement orders.
Selection Notes
Select this model when a balance of moderate I/O count and high processing speed is required in a compact surface-mount package. Compare against the J21A-MNT variant if QFN packaging is preferred over LQFP. Ensure the design accommodates the 300MHz clock requirements and verify that the 2MB flash size meets application storage needs without requiring external memory.
Part Context
This component belongs to the SAM S70 family, designed for applications demanding high performance and rich peripheral integration. It shares the core architecture with the E70 and V71 families but offers distinct peripheral configurations and memory sizes tailored for cost-sensitive yet powerful embedded solutions.
Replacement Considerations
ATSAMS70J21A-MNT: Identical electrical specifications and core functionality; differs only in package type (QFN vs. LQFP). Verify footprint compatibility during replacement.
