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ATSAML21E17B-MNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 32VQFN
- Series：SAM L21E
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, LINbus, SCI, SPI, UART/USART, USB
- Peripherals：DMA, POR, PWM, WDT
- Number of I/O：25
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 10x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°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 ATSAML21E17B-MNT is a 32-bit microcontroller from the SAM L21 series, utilizing an ARM Cortex-M0+ core operating at 48MHz. It features 128KB of Flash program memory and 16KB of RAM. The device supports a supply voltage range of 1.62V to 3.63V and operates within a temperature range of -40°C to 85°C. It includes 18 channels of 12-bit ADC and one 10-bit DAC. Connectivity options include I2C, SPI, UART/USART, and LINbus. The unit is housed in a 32-VQFN (5x5) package with 25 available I/O pins.
Feature Summary
- Ultra-low-power architecture optimized for battery-operated applications
- Integrated functional safety capabilities supporting IEC 61508 standards
- High-performance analog peripherals including multiple ADCs and DACs
- Comprehensive communication interfaces for system connectivity
Applications
- Industrial control systems requiring functional safety compliance
- Smart home appliances and IoT devices
- Portable medical equipment
- Consumer electronics with low power constraints
Procurement Notes
Verify the specific suffix 'MNT' corresponds to the 32-VQFN package and tape-and-reel packaging configuration. Confirm that the 'E' variant designation aligns with the required pin count and peripheral set for your design. Ensure compatibility with the specified voltage and temperature ranges for your target environment before finalizing procurement.
Selection Notes
Select this component when functional safety certification is required alongside ultra-low power consumption. Compare against the ATSAML21G or J variants if higher I/O counts or different connectivity options like USB are needed. Consider the 48MHz clock speed sufficient for your processing requirements while evaluating the trade-off between performance and power usage in active modes.
Part Context
This part belongs to the Microchip SAM L21 family, which focuses on security and functional safety. It shares the Cortex-M0+ core with other L21 variants but differs in memory size, package, and peripheral availability. The series is designed to meet stringent industrial and automotive safety standards while maintaining energy efficiency.
Replacement Considerations
Direct substitutes within the same package may include ATSAML21E17A-MNT or ATSAML21E16B-MNT, depending on memory requirements. Verify pin-to-pin compatibility and software register mapping before substitution.
