ATSAM4SD32BA-MUR

Overview

The ATSAM4SD32BA-MUR is a Microchip Technology ARM microcontroller within the SAM4S series, featuring an ARM Cortex-M4 core. It integrates 512 kB of Flash program memory and 160 kB of SRAM data RAM. The device supports a maximum clock frequency of 120 MHz with a 32-bit data bus width. It includes an 11-channel 12-bit ADC and offers 79 I/O pins. Operating voltage ranges from 1.62 V to 3.6 V, with an analog supply of 1.8 V. The unit operates between -40°C and +85°C in a QFN-100 package.

Feature Summary

• Integrates cryptographic engine for secure data processing
• Supports multiple communication interfaces including USB OTG
• Features DMA controller for efficient data transfer management

Applications

• Secure embedded control systems
• Industrial automation controllers
• Medical device instrumentation

Procurement Notes

Verify the specific suffix 'MUR' indicates tape and reel packaging configuration distinct from tray variants. Confirm RoHS compliance status through official datasheets. Ensure ESD handling protocols are followed due to moisture sensitivity classification. Validate pinout compatibility during PCB layout finalization.

Selection Notes

Select this component when high-density I/O and cryptographic capabilities are required. Compare against ATSAM4S family members for memory size variations. Consider thermal performance requirements for the QFN-100 package. Evaluate power consumption profiles against application duty cycles.

Part Context

Part of the SAM4S series offering Cortex-M4 performance with security features. Designed for applications requiring robust data integrity and processing speed. Provides extensive peripheral connectivity options for complex system integration needs.

Replacement Considerations

ATSAM4SD32BA-AU shares identical core specifications but utilizes LQFP-100 packaging instead of QFN-100. Verify footprint compatibility before substitution. Check if tape-and-reel availability is critical for assembly processes.