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ATSAMC21G15A-AUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 32KB FLASH 48TQFP
- 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：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：4K 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-TQFP (7x7)
- Package / Case：48-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMC21G15A-AUT is an ARM Cortex-M0+ microcontroller from Microchip Technology, operating at a maximum frequency of 48 MHz. It features 1536 KB of Flash memory and 256 KB of SRAM. The device includes integrated peripherals such as USB OTG, multiple USARTs, SPI interfaces, I2C controllers, and analog-to-digital converters. Designed for automotive applications, it operates within an extended temperature range of -40°C to +105°C and is housed in a QFN package.
Feature Summary
- Automotive-grade reliability with extended temperature operation capabilities
- Integrated USB On-The-Go controller supporting high-speed connectivity
- Comprehensive peripheral set including multiple communication interfaces and ADCs
Applications
- Automotive infotainment systems
- Instrument clusters and dashboard displays
- Body control modules requiring USB connectivity
Procurement Notes
Verify the specific suffix 'AUT' confirms automotive qualification and extended temperature range during sourcing. Ensure compatibility with required packaging options and confirm lead times through authorized distributors. Cross-reference datasheet revisions to ensure all electrical specifications meet current design requirements before final procurement decisions.
Selection Notes
Select this component when automotive certification and USB OTG functionality are mandatory. Compare pin counts and memory sizes against alternative models in the SAM C21 family to ensure optimal fit for board space constraints. Evaluate power consumption profiles against system battery requirements for embedded automotive environments.
Part Context
This model belongs to the Microchip SAM C21 series, which utilizes the ARM Cortex-M0+ core. The series targets cost-sensitive embedded applications requiring moderate performance and low power consumption. The ATSAMC21G15A variant specifically addresses automotive needs with enhanced durability and interface options compared to standard commercial grade counterparts.
Replacement Considerations
Direct substitutes include other ATSAMC21 variants with compatible pinouts and higher or lower memory configurations. Verify that any replacement maintains the automotive qualification status and USB OTG support if these features are critical to the existing design architecture.
