ATSAM4S4AB-ANR

Overview

The ATSAM4S4AB-ANR is a 32-bit microcontroller unit (MCU) based on the ARM Cortex-M4 core, belonging to the SAM4S series. It features 256KB of in-system programmable flash memory and 64KB of static RAM. The device operates at a maximum clock frequency of 120MHz and supports a supply voltage range of 1.62V to 3.6V. It integrates multiple communication interfaces including USB, SPI, I2C, USART, SSC, and IrDA. The component includes analog peripherals such as 11-channel 12-bit ADCs and 2-channel 12-bit DACs. It is housed in a 48-pin QFN package with an operating temperature range of -40°C to 105°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core for high-performance signal processing capabilities.
• Includes comprehensive connectivity options with built-in USB Full-Speed interface and standard serial buses.
• Features integrated analog-to-digital and digital-to-analog converters for sensor interfacing and audio applications.

Applications

• Industrial control systems requiring robust peripheral integration
• Consumer electronics utilizing USB connectivity
• Medical devices needing precise analog signal conversion

Procurement Notes

Verify the specific suffix 'ANR' against official Microchip documentation to confirm tape-and-reel packaging and exact pinout compatibility. Ensure the selected variant matches the required thermal grade and RoHS compliance status for your target market. Cross-reference the datasheet revision history for any errata affecting the silicon version you intend to procure.

Selection Notes

Select this component when a balance of moderate flash capacity and high-speed processing is required within a compact footprint. Compare against the ATSAM4S4BB series if a larger LQFP package or different I/O count is preferred. Consider the ATSAM4LS series if lower power consumption is prioritized over the 120MHz performance ceiling.

Part Context

This MCU is part of the SAM4S family, designed for applications demanding efficient code execution and rich peripheral sets. It shares architectural similarities with other SAM4 variants but distinguishes itself through its specific memory configuration and package type. The family targets cost-sensitive embedded designs without compromising on processing speed.

Replacement Considerations

ATSAM4S4AB-AUR is a direct alternative differing primarily in packaging format while maintaining identical electrical specifications and functionality.

FAQ

What is the maximum operating frequency of the ATSAM4S4AB-ANR?

The device supports a maximum system clock frequency of 120MHz.

Does this MCU include a hardware USB controller?

Yes, it integrates a USB Full-Speed device/host/OTG controller.