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ATSAMC21N17A-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 100TQFP
- Series：SAM C21, 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：CANbus, I2C, LINbus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, WDT
- Number of I/O：84
- 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 20x12b, 3x16b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TQFP (14x14)
- Package / Case：100-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAMC21N17A-ANT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip SAM C21 family. It features 128 kB of Flash program memory and 16 kB of SRAM data memory. The device operates with a maximum clock frequency of 48 MHz and supports an input voltage range of 2.7 V to 5.5 V. It provides 26 I/O lines and includes a 12-bit ADC with 14 channels, a 10-bit DAC, and five timer/counters. Interfaces include LIN, I2C, PMBus, SPI, and USART. The component is housed in a TQFP-32 package, rated for operation between -40°C and +85°C, and meets AEC-Q100 automotive qualification standards.
Feature Summary
- Automotive-grade reliability compliant with AEC-Q100 standards
- Integrated analog peripherals including 12-bit ADC and 10-bit DAC
- Supports multiple communication protocols such as LIN, SPI, and USART
Applications
- Automotive body electronics modules
- Industrial control systems requiring LIN bus connectivity
- Consumer appliances with extended temperature requirements
Procurement Notes
Verify the specific suffix 'ANT' corresponds to the TQFP-32 package and tape-and-reel delivery format. Confirm that the AEC-Q100 qualification aligns with your project's automotive grade requirements. Ensure the operating temperature range of -40°C to +85°C meets environmental specifications. Cross-reference the datasheet for pinout compatibility if replacing existing components.
Selection Notes
Select this MCU when a 48 MHz Cortex-M0+ core is required alongside automotive certification. The inclusion of LIN support makes it suitable for networked applications. Consider the 128 kB Flash capacity for firmware size constraints. Verify that the 26 available I/O pins are sufficient for the target design complexity.
Part Context
This component belongs to the Microchip SAM C21 series, designed for low-power, high-performance embedded applications. The series utilizes the ARM Cortex-M0+ architecture to balance processing capability with energy efficiency. The ATSAMC21N17A variant specifically targets applications needing robust analog interfaces and automotive compliance within a compact footprint.
Replacement Considerations
Consult official substitution lists for compatible parts within the ATSAMC21 family. Verify pin-to-pin compatibility and electrical parameter alignment before integration.
