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ATSAML21E15B-MNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 32KB FLASH 32QFN
- 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：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：4K 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 ATSAML21E15B-MNT is a 32-bit microcontroller from the Microchip SAM L21 series, featuring an ARM Cortex-M0+ core operating at up to 48 MHz. It integrates 32 KB of Flash memory and 4 KB of SRAM within a 48-VQFN package. The device supports a supply voltage range of 1.62 V to 3.6 V and operates within a temperature range of -40°C to +85°C. Peripheral interfaces include I2C, LIN, SPI, USART, and USB.
Feature Summary
- Integrates ARM Cortex-M0+ processor for efficient code execution
- Includes built-in analog-to-digital converter with 12-bit resolution
- Supports low-power operation modes for energy-constrained applications
- Features hardware security mechanisms for data protection
Applications
- Wearable electronics and health monitoring devices
- Smart home sensors and actuators
- Industrial control modules requiring low power consumption
- Battery-powered IoT nodes
Procurement Notes
Verify the specific suffix 'MNT' confirms the 48-VQFN package and tape-and-reel shipping format. Confirm the 'B' variant meets the required temperature grade and functional safety standards if applicable. Cross-reference the datasheet revision to ensure compatibility with existing design files.
Selection Notes
Select this component when a balance of moderate flash capacity and ultra-low power consumption is required. The 48-VQFN package suits compact designs. Ensure the system voltage aligns with the 1.62 V to 3.6 V operating range. Consider pin count availability against the 37 I/O limit for interface requirements.
Part Context
This part belongs to the SAM L21 family, optimized for low-power applications. It shares architectural similarities with other SAM D21 and SAM C21 variants but offers distinct power management features and peripheral sets tailored for battery-operated devices.
Replacement Considerations
ATSAML21E15A-MNT: Similar specifications but may differ in temperature grade or qualification status. ATSAMD21E15B-AUT: Different package and potentially different power characteristics. Verify pinout and register compatibility before substitution.
