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ATSAML21E16B-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 32TQFP
- Series：SAM L21E, Functional Safety (FuSa)
- 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：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 10x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAML21E16B-ANT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 64 kB of Flash program memory and 8 kB of SRAM data memory. The device includes a 12-bit ADC with 10 channels and a 12-bit DAC. It supports multiple communication interfaces including I2C, LIN, SPI, USART, and USB. The unit is housed in a 32-TQFP package and operates within a voltage range of 1.62 V to 3.63 V across an industrial temperature range of -40°C to +85°C.
Feature Summary
- Integrates advanced analog peripherals including a 12-bit ADC and DAC for signal processing applications.
- Supports comprehensive connectivity through integrated USB, SPI, I2C, USART, and LIN interfaces.
- Designed for low-power operation with efficient power management capabilities suitable for battery-driven devices.
Applications
- Industrial control systems requiring robust communication protocols
- Consumer electronics utilizing USB connectivity
- Battery-powered IoT sensor nodes
Procurement Notes
Verify the specific suffix 'ANT' corresponds to the 32-TQFP package and commercial/industrial temperature grade during procurement. Confirm that the ordering part number matches the exact memory configuration and interface set required for the design. Ensure compatibility with existing PCB footprints for the TQFP-32 form factor before finalizing orders.
Selection Notes
Select this component when a balance of moderate memory capacity and rich peripheral integration is needed. It is suitable for designs requiring USB connectivity alongside standard serial interfaces. Consider alternative packages if space constraints differ from the TQFP-32 dimensions. Evaluate power consumption requirements against the Cortex-M0+ efficiency specifications.
Part Context
This MCU belongs to the SAM L21 family, which focuses on low-power performance and functional safety. The series targets applications demanding high reliability and energy efficiency. The E16 variant specifically provides 64 kB of Flash, positioning it between lower-capacity and higher-capacity models in the lineup.
Replacement Considerations
Check for pin-compatible alternatives within the SAM D21 or SAM L21 families. Verify that substitute parts maintain identical memory sizes and peripheral sets. Ensure any replacement supports the same package type and operating temperature range.
