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ATSAMD20G14B-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB FLASH 48VQFN
- 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-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD20G14B-MU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum clock frequency of 48 MHz. It features 16 kB of Flash program memory and 2 kB of SRAM data RAM. The device provides 38 general-purpose I/Os and includes a 12-bit ADC with 14 channels and a 10-bit DAC. Communication interfaces include I2C, SPI, and USART. It operates within a supply voltage range of 1.62 V to 3.63 V and supports an industrial temperature range from -40°C to +85°C in a 48-pin VQFN package.
Feature Summary
- Integrates an ARM Cortex-M0+ processor for efficient 32-bit execution
- Includes analog peripherals such as a 12-bit ADC and 10-bit DAC
- Supports standard serial communication protocols including I2C, SPI, and USART
Applications
- Industrial control systems requiring low-power processing
- Consumer electronics utilizing serial communication interfaces
- General-purpose embedded applications within industrial temperature ranges
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with required voltage levels and interface configurations for the target design. Cross-reference the manufacturer part number with current datasheets to validate pinout and electrical specifications before integration.
Selection Notes
Select this component for designs requiring a balance of processing capability and peripheral density in a compact footprint. The 48 MHz speed and integrated analog converters suit applications needing moderate performance without complex external components. Consider the 48-pin VQFN package constraints for PCB layout and thermal management requirements.
Part Context
This unit belongs to the SAM D20 family of microcontrollers, which are designed for cost-sensitive and power-efficient applications. The series utilizes the ARM Cortex-M0+ architecture to deliver high code efficiency. The SAM D20 family is widely used in various embedded markets due to its flexible peripheral set and low power consumption characteristics.
Replacement Considerations
Consult official substitution lists for compatible parts within the SAM D20 family. Verify pin-to-pin compatibility and memory size differences when considering alternatives.
