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ATSAMS70Q21A-CFN
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 144UFBGA
- Series：SAM S70
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：EBI/EMI, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：114
- 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 24x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：144-UFBGA (6x6)
- Package / Case：144-UFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAMS70Q21A-CFN is a high-performance microcontroller based on the ARM Cortex-M7 core, operating at up to 300 MHz. It integrates 2 MB of Flash memory and 960 KB of SRAM. The device features an Ethernet MAC with DMA, multiple USB OTG controllers, and various communication interfaces including SPI, I2C, UART, and CAN FD. It includes a hardware security module for secure boot and data protection.
Feature Summary
- High-performance processing capability via ARM Cortex-M7 core
- Integrated hardware security module for secure operations
- Multiple connectivity options including Ethernet and USB OTG
- Extensive peripheral set for diverse interface requirements
Applications
- Industrial automation control systems
- Advanced human-machine interface displays
- Smart metering and utility infrastructure
- Automotive infotainment and instrument clusters
Procurement Notes
Verify the specific suffix codes against official Microchip documentation to ensure correct package type, temperature range, and tape-and-reel specifications. Confirm that the part number matches the exact pin count and memory configuration required for your design. Cross-reference with the latest datasheet revision history to account for any errata or recommended modifications.
Selection Notes
Select this component when high computational throughput and robust security features are required. Ensure the application benefits from the integrated Ethernet and USB capabilities. Verify that the available GPIOs and peripheral counts meet the system interface needs without requiring external multiplexers.
Part Context
This model belongs to the SAM S70 series, designed for demanding applications requiring significant processing power and security. It serves as a bridge between standard microcontrollers and application processors, offering a balance of performance, connectivity, and cost-effectiveness for complex embedded systems.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified compatible alternatives. Consider the ATSAMS70Q20A or ATSAMS70Q21B if different package options or updated revisions are needed. Ensure functional equivalence in terms of core speed, memory size, and peripheral availability before substitution.
