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ATSAMD21G17D-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48QFN
- Series：SAM D21G, 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, 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 ~ 3.63V
- Data Converters：A/D 14x12b; 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 ATSAMD21G17D-MU 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, 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. Connectivity options include I2C, LINbus, SPI, UART/USART, and USB interfaces. Peripheral functions encompass DMA, I2S, PWM, WDT, and power-on reset. Analog capabilities consist of 14-channel 12-bit ADCs and one 10-bit DAC. It is housed in a 48-QFN package.
Feature Summary
- Functional Safety (FuSa) certified for robust system reliability
- Integrated USB interface for communication and programming
- Advanced analog subsystem with multiple ADC channels and DAC
- Supports LINbus protocol for automotive and industrial networks
Applications
- Industrial control systems requiring functional safety compliance
- USB-enabled peripheral devices and host controllers
- Automotive applications utilizing LINbus communication
- Data acquisition systems leveraging high-resolution ADCs
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm pinout and package dimensions. Ensure compatibility with required firmware libraries for the SAM D21G family. Confirm that the Functional Safety qualification meets the target application's integrity level requirements before finalizing procurement.
Selection Notes
Select this component when Functional Safety certification is mandatory for the design. Choose over standard SAM D21 variants if LINbus support or specific FuSa documentation is required. Verify that the 48MHz performance and 128KB memory meet the application's processing and storage needs within the specified voltage range.
Part Context
This part belongs to the SAM D21G family, which extends the standard SAM D21 line with functional safety features. It shares the Cortex-M0+ architecture with other SAM D21 models but includes additional safety mechanisms and documentation. The 'D' suffix typically denotes specific temperature or qualification grades within the Microchip portfolio.
Replacement Considerations
ATSAMD21G17A-MUT: Similar specifications but may lack Functional Safety certification. ATSAMD21G17L-MNT: Extended temperature range option. ATSAMD21J17D-MU: Higher pin count variant with more I/Os.
