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ATSAMD20J17A-MN
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB 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：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K 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 ATSAMD20J17A-MN is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D20J family. It features 128KB of in-system programmable Flash memory and 16KB of SRAM. The device operates with a maximum clock frequency of 48MHz and supports an input/output voltage range of 1.6V to 3.6V. It includes 52 general-purpose I/O pins and integrates multiple communication interfaces including I2C, SPI, UART, and USART. The component is housed in a 64-pin QFN package and is rated for industrial temperatures from -40°C to +105°C.
Feature Summary
- Integrates an ARM Cortex-M0+ processor core for efficient low-power execution
- Provides extensive connectivity through multiple serial communication peripherals
- Includes integrated analog-to-digital conversion capabilities for sensor interfacing
Applications
- Industrial control systems requiring robust temperature operation
- Consumer electronics utilizing serial communication protocols
- Battery-powered devices leveraging low-power architecture
Procurement Notes
Verify the specific suffix 'MN' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with design tools such as Atmel Studio or ASF. Check for any recent product change notices regarding packaging or sourcing updates before finalizing procurement plans.
Selection Notes
Select this component when a balance of processing speed and pin count is required within a compact footprint. The 48MHz performance suits applications needing moderate computational load without the complexity of higher-end cores. Verify that the 1.6V to 3.6V supply range aligns with the system power budget and that the QFN package fits the PCB layout constraints.
Part Context
This part belongs to the SAM D20J series, designed for cost-sensitive embedded applications. It shares architectural similarities with other SAM D20 variants but offers specific memory and package configurations tailored for space-constrained designs. The series emphasizes energy efficiency while maintaining sufficient peripheral richness for common interface needs.
Replacement Considerations
Consult the SAM D20 family datasheet for pin-compatible alternatives. Variants like ATSAMD20J17A-MNT or ATSAMD20J17A-MUT may offer different packaging options such as tape-and-reel or extended temperature ranges. Ensure software compatibility remains intact when substituting within the same family.
