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ATSAMD21J17A-MFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 64QFN
- Series：SAM D21J, Functional Safety (FuSa)
- 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, LINbus, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, 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 ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMD21J17A-MFT is a 32-bit microcontroller unit (MCU) based on the ARM Cortex-M0+ core, belonging to the SAM D21J series with Functional Safety (FuSa) certification. It features 128KB of Flash memory and 16KB of SRAM, operating at a maximum frequency of 48MHz. The device supports a supply voltage range of 1.62V to 3.6V and includes integrated analog-to-digital converters (20x12-bit) and a digital-to-analog converter (1x10-bit). Connectivity options include I2C, LINbus, SPI, UART/USART, and USB interfaces. It is housed in a 64-QFN package and operates within a temperature range of -40°C to 85°C.
Feature Summary
- Functional Safety (FuSa) certified for automotive applications
- Integrated high-speed USB controller
- Multiple communication peripherals including I2S and DMA support
Applications
- Automotive infotainment systems
- Instrumentation and control modules
- Industrial automation controllers
Procurement Notes
Verify the specific suffix 'MFT' against official Microchip documentation to confirm the exact package type and tape/reel specifications, as distributor listings may vary. Ensure compatibility with required functional safety standards for the target application. Cross-reference the datasheet revision date to confirm current errata status before finalizing procurement.
Selection Notes
Select this component when automotive-grade reliability and functional safety compliance are required alongside standard SAM D21 performance. Compare pin counts and memory sizes against other SAM D21 variants if interface density or storage capacity needs differ. Consider the QFN package constraints for thermal management and PCB layout requirements during the design phase.
Part Context
This MCU is part of the broader SAM D21 family, which provides a scalable solution for low-power, high-performance embedded applications. The J17 variant specifically offers higher memory capacity compared to smaller footprints in the same series. It shares architectural similarities with other Cortex-M0+ devices but distinguishes itself through its FuSa qualification and extensive peripheral set.
Replacement Considerations
Direct substitutes within the SAM D21J series include ATSAMD21J17D-MFT for extended temperature ranges or different packaging options. Verify pin compatibility and software register mapping before swapping between variants to ensure seamless integration without hardware redesign.
