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Product Detailed Parameters
- Description:IC MCU 32BIT 64KB FLASH 32TQFP
- 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:26
- Program Memory Size:64KB (64K x 8)
- Program Memory Type:FLASH
- EEPROM Size:-
- RAM Size:8K x 8
- Voltage - Supply (Vcc/Vdd):2.7V ~ 5.5V
- Data Converters:A/D 10x12b, 1x16b; D/A 1x10b
- Oscillator Type:Internal
- Operating Temperature:-40°C ~ 105°C (TA)
- Mounting Type:Surface Mount
- Supplier Device Package:32-TQFP (7x7)
- Package / Case:32-TQFP
- Grade:-
- Qualification:-
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Overview
The ATSAMC21E16A-ANT is an ARM microcontroller from the Microchip ATSAMC21 series, featuring an ARM Cortex-M0+ core. It provides 64 kB of program memory and 8 kB of data RAM within a TQFP-32 package. The device operates with a maximum clock frequency of 48 MHz and supports a supply voltage range of 2.7 V to 5.5 V. It includes a 12-bit ADC with 10 channels and a 10-bit DAC. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +105°C.
Feature Summary
- Integrated AEC-Q100 qualification ensures reliability for automotive electronic environments.
- Supports robust communication protocols including LIN, I2C, SPI, and USART via SERCOM modules.
- Features advanced Peripheral Touch Control (PTC) capabilities for user interface development.
Applications
- Automotive body electronics and control systems
- Industrial motor control applications
- Commercial devices requiring robust communication interfaces
Procurement Notes
Verify the specific suffix ANT indicates tape and reel packaging when sourcing components. Confirm that the AEC-Q100 qualification aligns with target automotive or industrial requirements. Ensure the 5V operating voltage matches system power rails. Check humidity sensitivity levels for proper storage and handling procedures during assembly.
Selection Notes
Select this model when a 32-pin footprint is required alongside 64 kB of flash memory. Choose over variants with lower pin counts if additional general-purpose I/O is necessary. Consider the 5V tolerance for direct interfacing with legacy peripherals without level shifting.
Part Context
This component belongs to the ATSAMC21 family of 5V Cortex-M0+ microcontrollers designed for noisy industrial and commercial environments. The E-series variant specifically offers a balance of processing capability and peripheral count in a compact form factor suitable for space-constrained designs.
Replacement Considerations
Consult official Microchip documentation for verified cross-references. Variants such as ATSAMC21E15A or ATSAMC21G17A may offer different pin counts or memory sizes but require verification of functional compatibility before substitution.
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