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ATSAML21J16B-MUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 64QFN
- Series：SAM L21J
- 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：51
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 20x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAML21J16B-MUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48MHz. It features 64KB of Flash memory and 8KB of SRAM. 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 20-channel 12-bit ADCs and two 12-bit DACs. Connectivity options include I2C, LINbus, SPI, UART/USART, and USB interfaces. The component is housed in a 64-VFQFN package with 51 available I/O lines.
Feature Summary
- Integrates an ARM Cortex-M0+ processor for efficient code execution
- Includes multiple analog-to-digital and digital-to-analog converters
- Supports various communication protocols including USB and LINbus
- Operates across a wide industrial temperature range
Applications
- Industrial control systems requiring functional safety features
- Consumer devices utilizing low-power ARM architecture
- Embedded applications needing USB connectivity
- Sensor interfaces using high-resolution ADCs
Procurement Notes
Verify the exact part number against official Microchip documentation to ensure compatibility with specific project requirements. Confirm package type and pinout details before integration. Check for any recent product change notices or errata sheets that may impact design implementation. Ensure sourcing channels provide genuine components to avoid counterfeit risks.
Selection Notes
Select this model when a balance of processing power and peripheral richness is needed for cost-sensitive applications. Consider the 64-QFN package constraints for PCB layout. Evaluate power consumption profiles against system battery life requirements. Compare storage capacities with other SAM L21 variants if larger memory is anticipated.
Part Context
This component belongs to the SAM L21 family of microcontrollers designed by Microchip Technology. The series targets low-power applications with enhanced security and functional safety capabilities. It shares architectural similarities with other SAM D21 devices but offers specific optimizations for energy efficiency and extended temperature operation suitable for demanding environments.
Replacement Considerations
ATSAMD21J16B-MUT serves as a functional alternative within the same ecosystem. ATSAML21J17B-MUT provides increased memory capacity while maintaining similar interface configurations.
