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ATSAMD20E14B-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB FLASH 32VQFN
- Series：SAM D20E
- 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：26
- 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 10x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD20E14B-MU is a 32-bit ARM Cortex-M0+ microcontroller from the SAM D20 family, manufactured by Microchip Technology. It features 16 kB of Flash program memory and 2 kB of SRAM data RAM. The device operates with a maximum clock frequency of 48 MHz and supports an input/output count of 26 I/O lines. It includes a 12-bit ADC with 10 channels and a 10-bit DAC. The unit is housed in a 32-VQFN package and functions within a supply voltage range of 1.62 V to 3.63 V across an industrial temperature range of -40°C to +85°C.
Feature Summary
- Integrates an ARM Cortex-M0+ processor core for efficient code execution.
- Provides flexible serial communication capabilities via USART, SPI, and TWI interfaces.
- Includes analog peripherals such as a 12-bit ADC and a 10-bit DAC.
Applications
- Industrial control systems requiring low-power processing
- Consumer electronics utilizing serial communication protocols
- Battery-powered devices leveraging low-voltage operation
Procurement Notes
Verify the specific suffix against official datasheets to confirm package type and temperature grade. Ensure compatibility with required voltage levels and interface configurations before integration. Cross-reference part numbers with manufacturer documentation to avoid substitution errors.
Selection Notes
Select this component when a balance of moderate memory capacity and extensive I/O connectivity is required. The 48 MHz speed suits applications needing responsive processing without excessive power consumption. Verify that the 32-pin form factor fits the target PCB layout constraints.
Part Context
This MCU belongs to the SAM D20 series, designed for cost-sensitive embedded applications. It serves as a bridge between 8-bit legacy systems and higher-performance 32-bit architectures, offering GPIO flexibility and standard peripheral sets suitable for general-purpose control tasks.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure any alternative maintains identical pinout, memory size, and thermal specifications to guarantee functional equivalence.
