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ATSAMD20G14A-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB 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：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：2K 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 ATSAMD20G14A-AU is a Microchip microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 16 kB of Flash program memory and 2 kB of SRAM data memory within a 48-pin TQFP package. The device includes one 12-bit ADC with 14 channels and supports I2C, SPI, and UART interfaces. It operates between 1.62 V and 1.95 V across an industrial temperature range of -40°C to +85°C.
Feature Summary
- ARM Cortex-M0+ processor core for efficient code execution
- Integrated 12-bit analog-to-digital converter with multiple input channels
- Standard serial communication interfaces including I2C, SPI, and UART
Applications
- Low-power embedded control systems
- Industrial sensor interface modules
- Portable battery-operated devices
Procurement Notes
Verify the specific suffix 'AU' corresponds to the lead-free and RoHS-compliant variant as documented in the official datasheet. Confirm the 48-pin TQFP package dimensions match your PCB footprint requirements. Ensure the voltage range of 1.62 V to 1.95 V aligns with your system power supply design before procurement.
Selection Notes
Select this component when a balance of moderate I/O count and low power consumption is required. The 16 kB Flash size suits applications with limited code complexity. Consider the 1.95 V maximum voltage limit carefully if interfacing with higher voltage logic without level shifting.
Part Context
This part belongs to the SAM D20 family, designed for cost-sensitive and power-efficient applications. It shares architectural similarities with other SAMD20 variants but differs in memory size and pin count. The G-series designation typically indicates specific package and peripheral configurations within the broader product line.
Replacement Considerations
ATSAMD20G14A-MU offers the same electrical specifications in a QFN-64 package instead of TQFP-48. ATSAMD20J14B-AU provides increased I/O count in a larger 64-pin package. Verify pin compatibility and thermal requirements when substituting.
