ATSAML22N16A-AUT

Overview

The ATSAML22N16A-AUT is an ARM microcontroller from the SAML22 series, featuring an ARM Cortex-M0+ core. It operates at a maximum clock frequency of 32 MHz and includes 64 kB of Flash program memory and 8 kB of SRAM data RAM. The device supports a supply voltage range of 1.62 V to 3.63 V and functions within a temperature range of -40°C to +85°C. It provides 82 I/O pins in a TQFP-100 package and integrates interfaces including I2C, SPI, UART, and USART.

Feature Summary

• Integrates an ARM Cortex-M0+ processor core for efficient code execution.
• Includes on-chip Flash memory for non-volatile program storage.
• Supports multiple communication protocols via integrated peripheral controllers.
• Features internal oscillator capabilities for system timing.

Applications

• Low-power embedded control systems
• Industrial sensor nodes
• Consumer electronics with limited power budgets

Procurement Notes

Verify the specific suffix and package type against the manufacturer's official datasheet to ensure compatibility with design requirements. Confirm moisture sensitivity level handling procedures during assembly. Check for any recent product change notices regarding marking or packaging updates before finalizing procurement orders.

Selection Notes

Select this component when a balance of moderate I/O count and low power consumption is required. The 32 MHz speed suits applications not demanding high-performance processing. Ensure the TQFP-100 footprint fits the PCB layout constraints. Compare against other SAML22 variants if larger memory or different pin counts are needed.

Part Context

This part belongs to the Microchip SAM L22 family, designed for ultra-low power applications. The N-series typically denotes specific memory configurations within the lineup. It shares architectural similarities with other Cortex-M0+ based MCUs but offers optimized peripheral sets for energy efficiency.

Replacement Considerations

Consult the official SAM L22 family selector guide for pin-compatible or functionally equivalent alternatives. Verify memory size and package dimensions when considering substitutes from the same series.