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ATSAMD20J14A-MN
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB FLASH 64QFN
- Series：SAM D20J
- 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：52
- 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 20x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD20J14A-MN is a Microchip Technology 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 VQFN-64 package. The device supports a supply voltage range of 1.62 V to 3.63 V and includes 52 general-purpose I/O pins. Peripheral interfaces include I2C, SPI, and USART. It integrates a 12-bit ADC with 20 channels and an 8-channel timer/counter system.
Feature Summary
- Integrates an ARM Cortex-M0+ processor core for efficient instruction execution.
- Provides multiple communication interfaces including I2C, SPI, and USART.
- Includes analog-to-digital conversion capabilities with 12-bit resolution.
- Supports low-voltage operation suitable for battery-powered applications.
Applications
- Low-power embedded control systems
- Industrial sensor nodes
- Consumer electronics devices
- General-purpose IoT endpoints
Procurement Notes
Verify the specific suffix 'MN' against official Microchip documentation to confirm temperature range and packaging details, as distributor listings may vary. Ensure compatibility with required voltage levels and interface configurations before integration. Check for moisture sensitivity classification requirements during storage and handling procedures.
Selection Notes
Select this component when a balance of moderate memory capacity and extensive I/O count is required in a compact surface-mount package. Compare against other SAMD20 variants if higher flash or RAM sizes are needed. Consider the VQFN-64 footprint constraints during PCB layout design.
Part Context
This part belongs to the SAM D20 family of 32-bit ARM Cortex-M0+ microcontrollers from Microchip Technology. The family offers various memory configurations and package options tailored for cost-sensitive and space-constrained embedded applications. The J-series typically denotes specific pin counts and peripheral sets within this lineup.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified substitutes. Potential alternatives within the same family include ATSAMD20J14A-MU or ATSAMD20J14B-MU, depending on package and temperature grade requirements. Verify pinout and electrical specifications match before substitution.
