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ATSAMC21G15A-ANT
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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 ~ 105°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-ANT is an ARM Cortex-M0+ microcontroller from the Microchip ATSAMC21 series. It features a 48 MHz maximum clock frequency, 32 kB of program memory, and 4 kB of data RAM. The device operates within a voltage range of 2.7 V to 5.5 V and supports a temperature range of -40°C to +105°C. It includes 38 I/O lines, 14 ADC channels with 12-bit resolution, and a 10-bit DAC. Interfaces include LIN, I2C, PMBus, Serial, SPI, and USART.
Feature Summary
- Supports automotive applications through AEC-Q100 qualification.
- Integrates multiple communication interfaces including LIN, I2C, SPI, and USART for versatile connectivity.
- Features high-resolution analog conversion capabilities with dual 12-bit ADCs and a 10-bit DAC.
Applications
- Automotive body electronics
- Industrial control systems
- Consumer appliances
Procurement Notes
Verify the specific suffix ANT indicates the TQFP-48 package and +105°C operating temperature range. Confirm AEC-Q100 automotive qualification status matches project requirements. Check datasheet for humidity sensitivity class and reflow soldering profile compatibility. Ensure pinout compatibility with existing PCB layouts before finalizing procurement decisions.
Selection Notes
Select this component when automotive-grade reliability is required alongside low-power ARM Cortex-M0+ performance. The 32 kB flash and 4 kB RAM suit moderate complexity firmware tasks. The wide operating temperature range and AEC-Q100 certification make it suitable for harsh environments where standard commercial parts may fail.
Part Context
This part belongs to the ATSAMC21 family, designed for cost-sensitive embedded applications requiring robust peripheral sets. The G-series variant typically offers a balance of memory and I/O count. It competes in the market for 32-bit MCUs needing automotive compliance without the overhead of higher-end cores.
Replacement Considerations
Cross-reference with other ATSAMC21G variants differing only in memory size or package type. Verify that substitute parts maintain the same AEC-Q100 qualification and temperature rating. Pin-to-pin compatibility must be confirmed for direct replacement scenarios.
