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ATSAMC21G17A-MUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48QFN
- Series：SAM C21, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：CANbus, I2C, LINbus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, 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)：2.7V ~ 5.5V
- Data Converters：A/D 14x12b, 2x16b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMC21G17A-MUT is a 32-bit ARM Cortex-M0+ microcontroller from the SAM C21 series, manufactured by Microchip Technology. It features 128KB of in-system programmable Flash memory and 16KB of SRAM. The device operates at a maximum clock frequency of 48MHz with a supply voltage range of 1.62V to 3.6V. It includes 14-channel 12-bit ADCs and one 10-bit DAC. The component is housed in a 48-pin QFN package (7x7mm) and supports an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated functional safety capabilities compliant with IEC 61508 standards for automotive and industrial applications.
- Advanced analog subsystem featuring multiple high-resolution ADCs and a DAC for signal processing.
- Comprehensive peripheral set including USB Full-Speed interface, SERCOM modules, and DMA controller.
Applications
- Automotive body electronics and infotainment systems requiring functional safety certification.
- Industrial control devices and sensor interfaces utilizing advanced analog capabilities.
- Consumer appliances and IoT nodes needing low-power operation with USB connectivity.
Procurement Notes
Verify the specific suffix 'MUT' corresponds to the tape and reel packaging format required for automated assembly. Confirm that the 1.62V-3.6V supply voltage range aligns with your system's power design, as this differs from the 5V-tolerant variants found in other SAM families. Ensure ESD protection measures are adequate for the exposed pad QFN package during handling.
Selection Notes
Select this variant when functional safety (FuSa) compliance is mandatory, distinguishing it from standard SAM D21 or non-FuSa SAM C21 parts. Choose over the ATSAMC21G17A if the specific 48-QFN 7x7mm footprint is required. Consider the ATSAMC21J17A for higher pin counts or the ATSAMC20G17A if 5V tolerance is needed instead of the lower voltage range.
Part Context
This MCU belongs to the SAM C21 family, which extends the popular SAM D21 architecture with added functional safety features. It targets markets requiring ISO 26262 readiness. The G17 designation indicates the 128KB Flash and 16KB RAM configuration within the 48-pin package lineup.
Replacement Considerations
ATSAMD21G17A-MUT offers similar core specifications but lacks the functional safety certifications. ATSAMC21G17A-AU provides the same electrical characteristics in a TQFP-48 package for through-hole or different SMT requirements.
