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ATSAMD21E17L-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
- 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 ~ 3.63V
- Data Converters：A/D 14x12b; 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 ATSAMD21E17L-MFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48MHz. It features 128KB of in-system programmable Flash memory and 16KB of SRAM. The device supports a supply voltage range of 1.62V to 3.63V and includes an internal oscillator. Connectivity options include I2C, LINbus, SPI, USART, and USB interfaces. It provides 26 general-purpose I/Os and integrates peripherals such as DMA, I2S, PWM, and watchdog timers. The component is housed in a 32-TQFP package.
Feature Summary
- Functional Safety (FuSa) certification compliant with AEC-Q100 standards for automotive applications
- Integrated advanced analog capabilities including multiple 12-bit ADC channels and a 10-bit DAC
- Supports low-power operation modes suitable for battery-powered embedded systems
Applications
- Automotive infotainment and body control modules requiring functional safety compliance
- Industrial automation controllers utilizing LINbus and high-speed serial communication
- Portable medical devices demanding low-voltage operation and precise analog signal processing
Procurement Notes
Verify the specific suffix 'MFT' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the 32-TQFP configuration. Check for any recent Product Change Notifications regarding packaging or assembly sources before finalizing procurement plans.
Selection Notes
Select this model when functional safety certification is mandatory for the target application. Choose this variant over non-FuSa versions if automotive qualification is required. Consider the 128KB Flash capacity for complex firmware requirements and verify that the 26 available I/O pins meet the system interface needs.
Part Context
This component belongs to the SAM D21J/E/G series within the Microchip SAM family. These microcontrollers are designed for cost-sensitive applications requiring ARM Cortex-M0+ performance. The series emphasizes low power consumption while providing rich peripheral sets for connectivity and control tasks in embedded environments.
Replacement Considerations
Consult official substitution lists for equivalent parts within the SAM D21 family. Verify pin-to-pin compatibility and software register compatibility before replacing components in existing designs.
