ATSAM4S8BB-ANR

Overview

The ATSAM4S8BB-ANR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 120MHz. It features 512KB of in-system programmable Flash memory and 64KB of SRAM. The device includes an integrated USB OTG controller, multiple communication interfaces including SPI, I2C, and USART, and analog peripherals comprising 16-channel 12-bit ADCs and two 12-bit DACs. It operates within a voltage range of 1.62V to 3.6V and supports industrial temperature ranges.

Feature Summary

• Integrates an ARM Cortex-M4 processor with hardware floating-point unit for efficient signal processing.
• Includes a full-speed USB On-The-Go (OTG) controller for direct peripheral connectivity.
• Provides flexible DMA channels to reduce CPU overhead during data transfers.
• Features comprehensive analog conversion capabilities with multiple high-resolution ADCs and DACs.

Applications

• USB-enabled consumer electronics and peripheral devices
• Industrial control systems requiring robust communication interfaces
• Medical equipment utilizing precise analog signal acquisition
• Smart home automation hubs with embedded connectivity

Procurement Notes

Verify the specific suffix ANR indicates tape and reel packaging when sourcing components. Confirm assembly site and date codes against current production notices to ensure supply chain consistency. Cross-reference the exact part number with official Microchip documentation to validate pinout and electrical specifications before integration into design files.

Selection Notes

Select this component for designs requiring significant Flash storage combined with USB OTG functionality. Compare RAM sizes and I/O counts against alternative SAM4S variants to match system complexity. Ensure the LQFP package dimensions align with PCB layout constraints and thermal management requirements for the target application environment.

Part Context

This microcontroller belongs to the SAM4S series, designed for applications demanding high performance and rich peripheral sets. It shares architectural similarities with other SAM4S models but offers specific memory and interface configurations tailored for cost-sensitive yet feature-rich embedded solutions.

Replacement Considerations

ATSAM4S8BA-AN

FAQ

Does the ATSAM4S8BB-ANR support USB On-The-Go?

Yes, the device integrates a full-speed USB OTG controller capable of functioning as both host and device.

What is the maximum operating frequency of the Cortex-M4 core?

The core can operate at speeds up to 120MHz.