ATSAMA5D42B-CU

Microprocessors Overview

The ATSAMA5D42B-CU is a microprocessor unit from the Microchip SAMA5D4 series, featuring an ARM Cortex-A5 core. It operates at a maximum clock frequency of 600 MHz with a 32-bit data bus width. The device utilizes a 361-pin LFBGA package and supports surface-mount installation. Internal memory includes 128 kB of data RAM and 128 kB of data ROM, complemented by 32 kB instruction and 32 kB data L1 caches, plus 128 kB L2 cache. It functions within a temperature range of -40°C to +85°C and requires a 1.8 V supply voltage.

Microprocessors Feature Summary

• Integrates an ARM Cortex-A5 processor core for embedded control applications
• Includes hardware floating-point support for efficient mathematical operations
• Provides multiple serial communication interfaces including SPI, I2C, UART, and USB
• Supports flexible input/output voltage levels of 1.8 V and 3.3 V

Microprocessors Applications

• Industrial automation controllers requiring robust processing capabilities
• Human-machine interface (HMI) displays in commercial equipment
• Embedded systems utilizing Linux or RTOS operating environments
• IoT gateways and edge computing nodes

Microprocessors Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm pinout compatibility and thermal specifications. Ensure the procurement channel provides valid RoHS compliance certificates. Confirm that the component matches the exact 361-pin LFBGA package dimensions required for your PCB layout. Check for any recent product change notices regarding material composition or manufacturing site changes.

Microprocessors Selection Notes

Select this model when a balance of processing speed and peripheral connectivity is required for industrial-grade applications. The 600 MHz performance suits complex user interfaces and protocol handling tasks. Consider the 128 kB internal SRAM constraints for larger application footprints. Evaluate the available GPIO count against system interconnect requirements before finalizing the design.

Microprocessors Part Context

This component belongs to the SAMA5D4 family of microprocessors designed for high-performance embedded applications. The series integrates multimedia capabilities and security features alongside standard connectivity options. It serves as a central processing unit for devices needing reliable operation in demanding environmental conditions while supporting advanced software stacks.

Microprocessors Replacement Considerations

Consult official Microchip substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully. Generic equivalents may not match the specific cache architecture or interface configurations.