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ATSAML21G16B-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 48TQFP
- Series：SAM L21G
- 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：37
- 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 14x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAML21G16B-ANT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM L21 series. It features 64KB of Flash memory and 8KB of SRAM. The device operates at a maximum clock speed of 48MHz with a supply voltage range of 1.62V to 3.63V. It includes 14-channel 12-bit ADCs and one 12-bit DAC. The component is housed in a 32-TQFP package and supports interfaces including I2C, LINbus, SPI, USART, and USB.
Feature Summary
- Integrated Functional Safety (FuSa) capabilities for automotive applications
- Low-power architecture optimized for battery-operated devices
- Comprehensive analog peripherals including high-resolution data converters
Applications
- Automotive body electronics and safety systems
- Industrial control and monitoring
- Consumer electronic devices requiring low power consumption
Procurement Notes
Verify the specific suffix 'ANT' corresponds to the 32-TQFP package and industrial temperature range (-40°C to +85°C). Confirm AEC-Q100 qualification status for automotive deployment requirements. Ensure compatibility with existing PCB footprints for TQFP-32 components during procurement planning.
Selection Notes
Select this model when functional safety compliance is required alongside moderate memory capacity. Compare against ATSAMD21 variants if automotive certification is not necessary. Evaluate pin count constraints as the 32-pin package limits available I/O compared to larger packages in the same family.
Part Context
This MCU is part of the SAM L21 family designed for low-power applications with enhanced security and connectivity. It shares the Cortex-M0+ core with other Microchip MCUs but distinguishes itself through integrated FuSa features and specific analog peripheral configurations tailored for robust operation in demanding environments.
Replacement Considerations
ATSAMD21G16B-AFT offers similar specifications without automotive qualification. ATSAML21G17B-AUT provides increased memory within the same package. Verify pinout compatibility before substituting.
