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Product Detailed Parameters
- Description:IC MCU 32BIT 32KB FLASH 32TQFP
- Series:SAM D21E, Functional Safety (FuSa)
- Mfr:Microchip Technology
- Package:Tray
- 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: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 10x12b; D/A 1x10b
- Oscillator Type:Internal
- Operating Temperature:-40°C ~ 125°C (TA)
- Mounting Type:Surface Mount
- Supplier Device Package:32-TQFP (7x7)
- Package / Case:32-TQFP
- Grade:Automotive
- Qualification:AEC-Q100
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Overview
The ATSAMD21E15L-AF is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D21E Functional Safety series. It features 32KB of Flash memory and 4KB of SRAM, operating at a maximum frequency of 48MHz. The device supports a supply voltage range of 1.62V to 3.63V and includes an internal oscillator. It offers 26 I/O pins and integrates multiple communication interfaces including I2C, SPI, USART, LINbus, and USB. Analog capabilities consist of ten 12-bit ADC channels and one 10-bit DAC. The component is qualified to AEC-Q100 standards and operates within a temperature range of -40°C to +125°C.
Feature Summary
- AEC-Q100 qualified for automotive functional safety applications
- Integrated full-speed USB device interface
- Advanced analog subsystem with 12-bit ADC and 10-bit DAC
- Extended industrial temperature range operation up to 125°C
Applications
- Automotive body control modules
- Instrumentation requiring extended temperature tolerance
- USB-enabled embedded controllers
- Industrial automation peripherals
Procurement Notes
Verify the specific suffix 'L-AF' against official Microchip documentation to confirm the package type, temperature grade, and automotive qualification status. Ensure compatibility with required PCB footprint dimensions and thermal management specifications for the target application environment.
Selection Notes
Select this variant when automotive reliability certification is mandatory alongside extended temperature performance. Compare pin counts and peripheral availability against other SAM D21E models to ensure sufficient I/O resources. Validate that the 32KB program memory meets firmware size requirements before finalizing the design.
Part Context
This component is part of the SAM D21E family, which focuses on functional safety compliance. It shares the Cortex-M0+ architecture with other SAM D21 variants but distinguishes itself through automotive-grade testing and specific packaging options designed for robust environmental conditions.
Replacement Considerations
ATSAMD21E15B-AUT: Similar specification with different package and temperature rating.
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