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Product Detailed Parameters
- Description:IC MCU 32BIT 64KB FLASH 32TQFP
- 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-TQFP (7x7)
- Package / Case:32-TQFP
- Grade:Automotive
- Qualification:AEC-Q100
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Overview
The ATSAMD21E16B-AFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, designed for functional safety applications. It features 64KB of flash memory and 8KB of SRAM, operating at a maximum clock speed of 48MHz. The device supports a supply voltage range of 1.62V to 3.6V and operates within a temperature range of -40°C to +125°C. It includes an internal oscillator and is housed in a 48-TQFP package.
Feature Summary
- Functional Safety (FuSa) qualification compliant with AEC-Q100 standards
- Integrated advanced analog peripherals including multiple ADCs and DACs
- Comprehensive connectivity interfaces supporting LINbus, I2C, SPI, USART, and USB
Applications
- Automotive systems requiring functional safety compliance
- Industrial control units with analog signal processing needs
- Consumer electronics utilizing low-power ARM architectures
Procurement Notes
Verify the specific suffix 'AFT' corresponds to the 48-TQFP package and tape-and-reel or cut-tape availability as listed by distributors. Confirm that the Functional Safety (FuSa) designation is required for your application's safety integrity level. Ensure the operating temperature range meets environmental specifications before ordering.
Selection Notes
Select this model when AEC-Q100 automotive qualification and functional safety features are mandatory. Choose the 48-TQFP package if higher pin counts for connectivity are needed compared to smaller packages. Consider the 48MHz performance limit and 64KB memory size against project requirements for code space and processing speed.
Part Context
This component belongs to the SAM D21G series of Microchip Technology microcontrollers. It is part of the broader SAMD21 family, which provides ARM Cortex-M0+ based solutions for various embedded applications. The specific 'G' variant indicates the inclusion of functional safety features distinct from standard commercial grade parts.
Replacement Considerations
ATSAMD21E16B-AFTR-ND
FAQ
What is the primary distinction between the ATSAMD21E16B-AFT and standard SAMD21 devices?
The ATSAMD21E16B-AFT is qualified under the Functional Safety (FuSa) program and holds AEC-Q100 certification, making it suitable for automotive and high-reliability industrial applications.
Does the ATSAMD21E16B-AFT support USB communication?
Yes, the datasheet lists USB as one of the supported connection capabilities alongside I2C, LINbus, SPI, and UART/USART.
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