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ATSAMD20J17A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 64TQFP
- Series：SAM D20J
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (10x10)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMD20J17A-AUT is an ARM microcontroller from the SAM D20J series, featuring a Cortex-M0+ core operating at a maximum frequency of 48 MHz. It integrates 128 kB of Flash program memory and 16 kB of SRAM data RAM within a TQFP-64 package. The device supports a supply voltage range of 1.62 V to 1.95 V and operates between -40°C and +85°C. Key peripherals include a 12-bit ADC with 20 channels, eight timers/counters, and interfaces such as I2C, SPI, and UART. It provides 52 general-purpose I/O pins.
Feature Summary
- ARM Cortex-M0+ processor core for efficient code execution
- Integrated non-volatile Flash memory and static RAM
- Multiple communication interfaces including I2C, SPI, and UART
- High-resolution analog-to-digital conversion capabilities
Applications
- Low-power embedded control systems
- Industrial automation controllers
- Consumer electronics devices
- Sensor interface modules
Procurement Notes
Verify the specific suffix AUT indicates automotive qualification requirements against official Microchip documentation. Confirm the TQFP-64 package dimensions and pinout match your PCB layout constraints. Ensure voltage supply levels align with the specified 1.62 V to 1.95 V operational range. Check humidity sensitivity classification for proper storage and handling procedures during assembly.
Selection Notes
Select this component when automotive-grade reliability is required alongside low power consumption. The 128 kB Flash size suits applications needing moderate code storage. Verify that the 52 available I/O pins meet system connectivity needs. Consider the 48 MHz clock speed for processing requirements compared to higher-performance alternatives in the SAM D2x family.
Part Context
This part belongs to the SAM D20J family of 32-bit microcontrollers based on the ARM Cortex-M0+ architecture. The J variant typically denotes specific memory configurations and package options within the broader SAM D2x product line. It is designed for cost-sensitive applications requiring robust performance and low power operation in compact form factors.
Replacement Considerations
Consult official substitution guides for compatible parts within the SAM D2x family. Verify pin compatibility and software register-level differences before replacing. Ensure any substitute maintains the required automotive temperature ratings and voltage specifications.
