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ATSAMD20G16A-MNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 48QFN
- Series：SAM D20G
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K 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 ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD20G16A-MNT 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 operates within a supply voltage range of 1.62 V to 3.63 V and supports an industrial temperature range from -40°C to +105°C. It includes a 12-bit ADC with 14 channels, a 10-bit DAC, and multiple communication interfaces including I2C, SPI, UART, and USART.
Feature Summary
- Integrates an ARM Cortex-M0+ processor for efficient code execution
- Provides extensive analog capabilities with 14-channel 12-bit ADC and 10-bit DAC
- Supports versatile serial communication via SERCOM modules
- Includes internal oscillator and power management peripherals
Applications
- Industrial control systems requiring robust peripheral sets
- Consumer electronics utilizing low-power ARM architectures
- Sensor interface nodes with high-resolution analog input requirements
- General-purpose embedded applications needing flexible I/O configurations
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with existing design constraints regarding voltage levels and thermal performance. Cross-reference the datasheet revision history for any errata or functional updates that may impact implementation.
Selection Notes
Select this component when a balance of moderate program storage and rich analog connectivity is required. The 128 kB Flash accommodates complex firmware while the 14-channel ADC suits multi-sensor designs. Consider the QFN-48 package for space-constrained PCB layouts requiring numerous general-purpose I/O pins.
Part Context
This part belongs to the SAM D20 family, designed for cost-sensitive 32-bit applications. It shares architectural similarities with other SAMD20 variants but offers specific memory and pin counts tailored for mid-range performance needs without the complexity of higher-end cores.
Replacement Considerations
Direct substitutes include ATSAMD20G17A-MNT (256 kB Flash) or ATSAMD20G15A-MNT (32 kB Flash). Verify pin compatibility and software library support before migrating to these alternatives.
