ATSAM4SA16BA-AU

Overview

The ATSAM4SA16BA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at a maximum frequency of 120 MHz. It features 1 MB of in-system programmable flash memory and 160 kB of SRAM. The device includes an internal oscillator and supports a supply voltage range of 1.08 V to 1.32 V for digital logic, with an analog supply of 1.2 V. It offers 47 general-purpose I/O pins and operates within a temperature range of -40°C to +85°C. Connectivity options include I2C, I2S, SPI, and UART interfaces.

Feature Summary

• Integrates an ARM Cortex-M4 processor core with single-precision floating-point unit support for efficient signal processing tasks.
• Provides extensive peripheral connectivity including multiple serial communication interfaces such as I2C, SPI, and UART for system integration.
• Features high-resolution analog-to-digital conversion capabilities with 11 channels for precise sensor data acquisition.

Applications

• Industrial control systems requiring robust processing and reliable communication interfaces
• Medical devices utilizing high-resolution ADCs for accurate physiological signal monitoring
• Consumer electronics employing ARM Cortex-M4 architecture for power-efficient operation

Procurement Notes

Verify the specific suffix 'A' indicates industrial temperature grade and lead-free compliance. Confirm package type is LQFP-64. Check current datasheet revisions for any pinout or electrical characteristic updates. Ensure ordering quantity matches available packaging formats. Validate supplier authorization status for genuine Microchip components.

Selection Notes

Select this component when 1 MB of flash and 160 kB of RAM are required for complex firmware applications. Choose over smaller variants if additional I/O count or memory capacity is necessary. Consider the 120 MHz clock speed for performance-intensive algorithms. Verify voltage requirements align with the 1.08 V to 1.32 V operational range.

Part Context

This part belongs to the SAM4S family of microcontrollers from Microchip Technology. It shares architectural similarities with other SAM4S devices but differs in memory size and I/O configuration. The series is designed for applications needing a balance of performance and power efficiency using the ARM Cortex-M4 core.

Replacement Considerations

ATSAM4SA16CA-AU: Similar specifications with different package or variant options. ATSAM4S16BA-AU: May differ in feature set or memory configuration. Verify exact pin compatibility and electrical characteristics before substitution.