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ATSAMD21E16B-MFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB 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：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K 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 ATSAMD21E16B-MFT is a 32-bit microcontroller from the SAM D21E series, featuring an ARM Cortex-M0+ core. It integrates 64 kB of flash memory and 8 kB of SRAM. The device supports a maximum clock frequency of 48 MHz and operates within a supply voltage range of 1.62 V to 3.63 V. It includes ten 12-bit ADC channels and one 10-bit DAC. The component is housed in a 32-VQFN package with 26 I/O lines and is qualified under AEC-Q100 standards for automotive applications.
Feature Summary
- AEC-Q100 qualified for functional safety requirements
- Integrated advanced analog peripherals including high-resolution ADCs
- Supports multiple communication interfaces such as SPI, I2C, and USART
Applications
- Automotive embedded control systems
- Industrial sensor nodes
- Battery-powered IoT devices
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-VQFN form factor. Cross-reference the revision level to guarantee adherence to current manufacturing specifications and quality standards.
Selection Notes
Select this variant when automotive qualification is mandatory alongside low-power operation. The 64 kB flash capacity suits moderate firmware complexity. Verify that the 32-VQFN package dimensions align with mechanical constraints. Confirm interface requirements match the available GPIO count and peripheral availability.
Part Context
This part belongs to the SAM D21E family, which emphasizes functional safety (FuSa) capabilities. It shares architectural similarities with other SAM D21 variants but distinguishes itself through automotive-grade reliability certifications. The E-series designation indicates specific memory configurations optimized for cost-sensitive yet robust embedded environments.
Replacement Considerations
ATSAMD21E16B-AF and ATSAMD21E16B-MU are documented alternatives within the same series. These parts share identical core specifications but differ in package style and operating temperature ranges. Verify pinout compatibility before substitution.
