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ATSAMC21E18A-MUT64
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 32VQFN
- Series：SAM C21, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit
- 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：256KB (256K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：32K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：A/D 12x12b, 1x16b Sigma-Delta; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMC21E18A-MUT64 is a 32-bit microcontroller based on the ARM Cortex-M0+ core, part of the SAM C21 series with Functional Safety (FuSa) certification. It features 256KB of in-system programmable flash memory and 32KB of SRAM. The device operates at a maximum clock frequency of 48MHz and supports a supply voltage range of 2.7V to 5.5V. It includes advanced analog peripherals such as ten 12-bit ADC channels and one 16-bit ADC channel, alongside a 10-bit DAC. Connectivity options include CANbus, I2C, LINbus, SPI, and UART/USART interfaces. The component is housed in a 32-VQFN package.
Feature Summary
- Functional Safety (FuSa) certified for robust industrial applications
- Integrated CAN-FD controller for high-speed communication
- Advanced analog subsystem with multiple ADC resolutions
- Internal oscillator with hardware multiplier and MPU
Applications
- Industrial automation control systems
- Automotive body electronics and sensors
- Smart metering and utility infrastructure
- Consumer appliances requiring functional safety compliance
Procurement Notes
Verify the specific suffix 'MUT64' against official Microchip documentation to confirm tape-and-reel packaging specifications and temperature grade. Ensure that the Functional Safety qualification status aligns with your system's integrity requirements. Cross-reference the pinout and electrical characteristics with the latest datasheet revision to avoid integration errors during PCB design and firmware development phases.
Selection Notes
Select this model when Functional Safety certification is mandatory for the application. It is suitable for designs requiring CAN-FD support and high-precision analog input processing within a compact VQFN footprint. Compare against non-FuSa variants if safety certification is not required, or consider higher-performance cores like Cortex-M4 if computational demands exceed the M0+ capabilities.
Part Context
This component belongs to the Microchip SAM C21 family, which targets cost-sensitive embedded applications requiring enhanced reliability. The series integrates the ARM Cortex-M0+ processor with specialized peripherals for industrial and automotive markets. The ATSAMC21E18A variant specifically addresses needs for larger memory capacity and advanced connectivity compared to lower-end models in the same family.
Replacement Considerations
ATSAMC21E18A-MUT serves as a standard reel alternative. ATSAMC21E18A-MNT offers a different package option. Verify pin compatibility and software library support before substituting with other SAM C21 family members.
