STA1085EUA3

Microprocessors Overview

The STA1085EUA3 is an automotive-grade microprocessor belonging to the Accordo2 family, manufactured by STMicroelectronics. It integrates a dual-core architecture comprising an ARM Cortex-R4 processor and an ARM Cortex-M3 controller. The device features embedded SRAM, an integrated DSP sound subsystem, audio ADCs and DACs, and an isolated CAN interface. Designed for car radio applications, it supports real-time vehicle interface processing and manages the entire audio chain from input to output.

Microprocessors Feature Summary

• Dual-core configuration with ARM Cortex-R4 and Cortex-M3 processors
• Integrated digital signal processing (DSP) sound subsystem
• Embedded audio analog-to-digital and digital-to-analog converters
• Isolated CAN controller for automotive communication

Microprocessors Applications

• Automotive car radio systems
• Vehicle interface processing units
• Digital audio media decoding applications

Microprocessors Procurement Notes

Verify the complete part number against official STMicroelectronics documentation to ensure correct suffix identification. Confirm package type and temperature range specifications match the intended application requirements. Cross-reference the datasheet revision date to ensure access to the most current electrical characteristics and mechanical drawings before finalizing procurement orders.

Microprocessors Selection Notes

Select this component for designs requiring high-performance audio processing combined with robust automotive connectivity. The integration of dedicated DSP cores and audio peripherals reduces external component count. Ensure the system architecture leverages the separation between the real-time Cortex-R4 tasks and the Cortex-M3 vehicle interface functions for optimal performance.

Microprocessors Part Context

This part belongs to the Accordo2 series of microprocessors designed specifically for the automotive infotainment sector. The series emphasizes cost-effective solutions for modern car radios by combining powerful processing capabilities with extensive peripheral integration, including multiple communication interfaces and dedicated audio hardware acceleration blocks.

Microprocessors Replacement Considerations

Consult official STMicroelectronics substitution guides for verified alternatives within the Accordo2 family or compatible automotive MCU series. Verify pin compatibility and software stack support before considering any cross-references.