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ATSAME70Q20B-AN
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 144LQFP
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tray
- 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-LQFP (20x20)
- Package / Case：144-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAME70Q20B-AN 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-LQFP package. The device supports a supply voltage range of 1.62V to 3.6V and operates between -40°C and +105°C. Key peripherals include 24x12-bit ADCs, 2x12-bit DACs, Ethernet, USB, CANbus, I2C, SPI, UART/USART, QSPI, and MMC/SD/SDIO interfaces.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with DSP instructions
- Integrated high-speed connectivity including Ethernet and USB OTG
- Advanced analog capabilities with multiple 12-bit ADCs and DACs
- Flexible memory architecture supporting external memory interface
Applications
- Industrial motor control systems
- Human-machine interface (HMI) displays
- Smart energy metering devices
- Ethernet-based communication nodes
Procurement Notes
Verify the specific suffix 'AN' against the official Microchip datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 144-LQFP form factor. Cross-reference revision history documents for any recent design or specification updates prior to final procurement.
Selection Notes
Select this component when a balance of high computational throughput and extensive peripheral integration is required. The 1MB Flash capacity suits complex firmware applications, while the 300MHz clock speed enables real-time processing. Consider the 144-pin count for sufficient I/O availability in dense designs.
Part Context
This part belongs to the SAM E70 family, designed for performance-oriented embedded applications. It shares architectural similarities with the SAM S70 and SAM V70 series but offers specific memory and peripheral configurations tailored for cost-sensitive yet powerful industrial and consumer electronics solutions.
Replacement Considerations
Consult the official Microchip cross-reference guide for verified substitutes. Potential alternatives within the same family may include variants with different memory sizes or package types, such as the ATSAME70Q21 series, provided pinout and electrical specifications remain compatible.
