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ATSAME70Q20A-CNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 144LFBGA
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, EBI/EMI, Ethernet, 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：1MB (1M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：384K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 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-LFBGA (10x10)
- Package / Case：144-LFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAME70Q20A-CNT is a 32-bit microcontroller from the Microchip SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 1MB of Flash memory and 384KB of SRAM within a 144-pin UFBGA package (6x6mm). The device supports a supply voltage range of 1.62V to 3.6V and operates between -40°C and +105°C. Key peripherals include 24-channel 12-bit ADCs, dual 12-bit DACs, Ethernet, USB, CANbus, I2C, SPI, UART/USART, QSPI, MMC/SD/SDIO, and EBI/EMI interfaces.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with DSP instructions
- Integrated connectivity including Ethernet MAC and USB OTG capabilities
- Advanced analog conversion with multiple high-resolution ADC channels and DACs
- Flexible external memory interface for expanded storage or peripheral expansion
Applications
- Industrial automation controllers requiring deterministic real-time performance
- Human-machine interface (HMI) displays with graphical rendering needs
- Automotive infotainment and instrument cluster systems
- Medical devices requiring precise analog signal acquisition
Procurement Notes
Verify the specific suffix 'CNT' against official Microchip documentation, as standard listings often cite 'CFNT' (Tray) or 'CFNTTR' (Tape & Reel). Confirm package availability and moisture sensitivity level requirements during procurement. Ensure the ordering part number matches the exact tape/reel or tray configuration required for your assembly line equipment.
Selection Notes
Select this component when a balance of high-speed processing and extensive analog/peripheral connectivity is required in a compact footprint. Compare against the ATSAMS70Q20B-CN if S70-specific features are needed. Consider the LQFP package variant (ATSAME70Q20A-AN) if surface mount ball grid array technology is not feasible for the design.
Part Context
This MCU belongs to the SAM E70 family, designed for applications demanding robust processing power alongside rich peripheral sets. It shares architectural similarities with the S70 and V70 families but is optimized for cost-effective high-performance embedded control. The UFBGA package offers thermal efficiency and space savings compared to larger QFP packages.
Replacement Considerations
Official pin-compatible alternatives within the same package include other SAM E70 variants with different memory sizes. Cross-family replacements like the ATSAMD51 require significant schematic and firmware redesign due to architectural differences.
