ATSAM4S8BA-MUR

Overview

The ATSAM4S8BA-MUR is a Microchip Technology ARM microcontroller from the SAM4S series, featuring an ARM Cortex-M4 core with DSP instructions and a 2KB cache. It operates at a maximum clock frequency of 120 MHz and includes 512 kB of Flash memory and 128 kB of SRAM. The device integrates a Full Speed USB Device port, multiple communication interfaces including SPI, I2C, and UART, and a 12-bit ADC. It supports single-supply operation via an embedded voltage regulator and is housed in a QFN-64 package.

Feature Summary

• Integrates a high-performance 32-bit ARM Cortex-M4 processor with DSP capabilities and hardware cache for efficient code execution.
• Includes a Full Speed USB Device port with an embedded transceiver for direct connectivity without external components.
• Features an External Bus Interface (EBI) supporting connection to various external memories such as SRAM, PSRAM, and NAND Flash.
• Provides comprehensive peripheral sets including multiple USARTs, SPI controllers, and a Real-Time Clock (RTC).

Applications

• USB-enabled consumer electronics and peripherals
• Industrial control systems requiring real-time processing
• Smart metering and utility applications
• Medical devices with data logging requirements

Procurement Notes

Verify the specific suffix 'MUR' indicates the tape-and-reel packaging format distinct from tray-packaged variants like 'MU'. Confirm that the operating voltage range aligns with the system's power supply design, as the device utilizes an embedded regulator. Ensure ESD handling protocols are followed during assembly due to the surface-mount nature of the component.

Selection Notes

Select this variant when a reel format is required for automated surface-mount assembly processes. Choose this model over SAM3S equivalents if DSP instruction support or higher clock speeds up to 120 MHz are necessary. Consider the pin compatibility with SAM3N and SAM3S families if migrating existing designs to enhanced performance levels.

Part Context

This component belongs to the SAM4S family of 32-bit Flash microcontrollers based on the ARM Cortex-M4 architecture. The series is designed for applications demanding high performance and low power consumption. It offers pin-to-pin compatibility with previous generations, facilitating upgrades while maintaining board layout integrity.

Replacement Considerations

ATSAM4S8BA-AU

FAQ

Does the ATSAM4S8BA-MUR include hardware cryptographic acceleration?

No, the SAM4S series does not include dedicated hardware cryptographic engines; security features rely on software implementation and secure boot routines.

What is the maximum operating speed of the core?

The ARM Cortex-M4 core operates at a maximum frequency of 120 MHz.