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ATSAMD21J15B-MFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 32KB FLASH 64QFN
- Series：SAM D21J, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT),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：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：4K 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 ATSAMD21J15B-MFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D21J Functional Safety (FuSa) series. It features 32KB of Flash memory and 4KB of SRAM. The device operates at a maximum frequency of 48MHz with a supply voltage range of 1.62V to 3.6V. It is housed in a 64-QFN (9x9) package and supports an operating temperature range of -40°C to 125°C. Key peripherals include USB, I2C, SPI, UART/USART, LINbus, DMA, I2S, PWM, and multiple timers.
Feature Summary
- Integrated Functional Safety (FuSa) capabilities for safety-critical applications
- Built-in AEC-Q100 qualification for automotive reliability standards
- Supports internal oscillator operation without external components
- Includes comprehensive connectivity interfaces including USB and LINbus
Applications
- Automotive body electronics and control modules
- Industrial motor control systems requiring functional safety
- Consumer devices needing robust MCU performance
- IoT gateways with extended temperature requirements
Procurement Notes
Verify the specific suffix 'MFT' confirms the 64-QFN package and extended temperature grade (-40°C to 125°C). Ensure the FuSa designation aligns with project safety integrity level requirements. Cross-reference the datasheet revision date to confirm current errata status before finalizing design implementation.
Selection Notes
Select this component when automotive-grade reliability and functional safety certification are mandatory. Compare against non-FuSa variants if safety features are unnecessary. Consider pin count and peripheral availability relative to system interface needs. Evaluate power consumption profiles against battery-operated constraints if applicable.
Part Context
This part belongs to the Microchip SAM D21 family, specifically the J-series optimized for higher performance and connectivity. It shares architectural similarities with other SAM D21 models but distinguishes itself through its automotive qualification and functional safety support. It serves as a bridge between standard industrial MCUs and high-reliability automotive controllers.
Replacement Considerations
ATSAMD21J15B-MUT offers identical electrical specifications but is rated for commercial temperature range (-40°C to 85°C). ATSAMD21J17D-MFT provides increased memory capacity (128KB Flash, 16KB RAM) within the same package and temperature grade.
