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ATSAMD20G17A-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48TQFP
- Series：SAM D20G
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, WDT
- Number of I/O：38
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 14x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMD20G17A-AU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 128 KB of in-system programmable Flash memory and 16 KB of SRAM. The device supports a supply voltage range of 1.62 V to 3.6 V and includes 14 channels of 12-bit ADC and one 10-bit DAC. Connectivity options comprise I2C, SPI, and UART/USART interfaces. It is housed in a 48-TQFP package with 38 available I/O pins and operates within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates high-resolution analog conversion capabilities with 14-channel 12-bit ADC and a 10-bit DAC for precise signal processing.
- Provides versatile serial communication through multiple SERCOM modules supporting standard protocols like I2C, SPI, and UART.
- Delivers energy-efficient processing via the low-power ARM Cortex-M0+ architecture suitable for battery-operated applications.
Applications
- Industrial control systems requiring robust peripheral integration
- Consumer electronics utilizing low-power embedded processing
- Sensor interface modules needing high-resolution analog-to-digital conversion
Procurement Notes
Verify the specific revision suffix and packaging configuration against the manufacturer's latest datasheet to ensure compatibility with existing board designs. Confirm that the 48-TQFP footprint matches the intended PCB layout. Check for any recent product change notifications regarding assembly sites or material composition updates before finalizing procurement orders.
Selection Notes
Select this component when a balance of moderate program memory and extensive analog peripherals is required without USB connectivity. Compare pin counts and peripheral sets against similar SAM D20 variants to ensure optimal resource utilization. Consider the operating voltage range and thermal specifications relative to the target application environment.
Part Context
This microcontroller belongs to the Microchip SAM D20 family, designed for cost-sensitive and power-constrained embedded applications. It shares architectural similarities with other SAM D series devices but offers a specific combination of Flash size and analog peripherals tailored for general-purpose control tasks.
Replacement Considerations
Direct substitutes include ATSAMD20G17A-AN and ATSAMD20G17A-AUT, which share identical core specifications but differ in package type or reel packaging. Ensure pin compatibility and software library support remain consistent during substitution.
