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ATSAMD21G17A-MFT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48QFN
- Series：SAM D21G, 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：38
- 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 14x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMD21G17A-MFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D21G series with Functional Safety (FuSa) certification. It features 128KB of Flash memory and 16KB of SRAM. The device operates at a maximum frequency of 48MHz and supports a supply voltage range of 1.62V to 3.6V. It includes 14-channel 12-bit ADCs and one 10-bit DAC. Connectivity options include I2C, LINbus, SPI, UART/USART, USB, and I2S. The component is housed in a 48-QFN package and is rated for an operating temperature range of -40°C to +125°C.
Feature Summary
- Functional Safety (FuSa) certified for automotive applications
- Integrated full-speed USB device interface
- Advanced analog peripherals including multiple ADC channels and a DAC
- Low-power operation with multiple sleep modes
Applications
- Automotive infotainment systems
- Body control modules
- Sensor hubs
- Industrial controllers requiring functional safety compliance
Procurement Notes
Verify the specific suffix 'MFT' corresponds to the 48-QFN package and the extended industrial temperature range up to 125°C. Confirm that the Functional Safety qualification status meets your project's integrity requirements. Ensure compatibility with the SAM D21 family software ecosystem and toolchain support before finalizing procurement.
Selection Notes
Select this model when automotive functional safety certification is mandatory alongside high-temperature operation. The 128KB Flash and 16KB RAM provide sufficient resources for complex logic. Compare against lower-capacity variants if cost or size constraints allow, but ensure the FuSa designation is retained if required by system standards.
Part Context
This part belongs to the Microchip SAM D21G family, which is specifically designed for automotive applications meeting ISO 26262 requirements. It shares the same core architecture as the standard SAM D21 series but includes additional safety mechanisms and qualification testing. The 'MFT' suffix indicates the QFN package and extended temperature grade.
Replacement Considerations
ATSAMD21G17A-MUT offers identical electrical specifications in a QFN package variant. ATSAMD21G17A-AU provides the same functionality in a TQFP package. Verify pinout compatibility and thermal performance when substituting between package types.
