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ATSAMD21E17A-MFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 32QFN
- Series：SAM D21E, 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：26
- 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 10x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMD21E17A-MFT is a 32-bit microcontroller from Microchip Technology's SAM D21J series, featuring an ARM Cortex-M0+ core. It integrates 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 3.63V and includes 26 I/O lines. Key peripherals include USB, SPI, I2C, USART, LINbus, DMA, and multiple timers. It is housed in a 32-QFN package and certified for automotive applications under AEC-Q100 standards.
Feature Summary
- Functional Safety (FuSa) compliant design for automotive reliability
- Integrated Full-Speed USB interface with on-chip transceiver
- Multiple communication interfaces including SPI, I2C, and USART
- Direct Memory Access (DMA) controller for efficient data transfer
Applications
- Automotive body electronics and control modules
- Industrial motor control systems
- Consumer devices requiring USB connectivity
- Battery-powered IoT nodes
Procurement Notes
Verify the specific suffix 'MFT' corresponds to the 32-QFN package configuration during sourcing. Confirm that the Functional Safety (FuSa) designation aligns with your system's safety integrity level requirements. Ensure compatibility with the 1.62V to 3.63V supply voltage range for your power architecture. Check for any recent Product Change Notifications regarding packaging or assembly sites.
Selection Notes
Select this component when automotive qualification (AEC-Q100) and functional safety features are required within the SAM D21 family. It offers higher memory capacity than the E15 variant while maintaining the compact QFN footprint. Consider the internal oscillator accuracy and temperature range specifications against your environmental constraints. Evaluate pin count sufficiency as it provides 26 I/O lines compared to larger packages.
Part Context
This part belongs to the SAM D21J series, which is specifically engineered for functional safety applications. It shares the same core architecture as other SAM D21 variants but includes additional safety mechanisms and certifications. The series targets cost-sensitive automotive and industrial markets where reliability and low power consumption are critical design drivers.
Replacement Considerations
ATSAMD21E17D-AUT: Same memory and core but in TQFP-32 package. ATSAMD21E17A-AU: Same memory and core but in TQFP-64 package. Verify package dimensions and pinout compatibility before substitution.
