STA1085ELA3S1

Microprocessors Overview

The STA1085 is an Accordo2 dual-core microprocessor designed for automotive car radio systems. It integrates an ARM Cortex-R4 processor running at up to 600 MHz and a dedicated ARM Cortex-M3 controller for real-time vehicle interface processing. The device features an embedded digital sound processing subsystem with 450 MIPS, six stereo channels hardware sample rate converters, and six audio DACs. Memory includes 1.25 MB of embedded SRAM, L1 cache, and controllers for SDRAM, NOR, and NAND/NOR flash. It supports AEC-Q100 qualification and offers interfaces such as UART, I2S, I2C, USB, and MMC.

Microprocessors Feature Summary

• Dual-core architecture combining high-performance Cortex-R4 and real-time Cortex-M3 processors
• Integrated digital sound processing subsystem with hardware sample rate conversion and multiple audio DACs
• Comprehensive peripheral set including USB, MMC, and serial interfaces for system integration
• AEC-Q100 qualified for automotive reliability standards

Microprocessors Applications

• Automotive car radio systems
• Digital audio media decoding applications
• Real-time vehicle interface processing units

Microprocessors Procurement Notes

Verify the specific suffix 'ELA3S1' against official STMicroelectronics documentation to confirm package type, temperature range, and tape-and-reel specifications. Ensure the component meets AEC-Q100 requirements for your target automotive application. Cross-reference the part number with authorized distributors to confirm current availability and authenticity before procurement.

Microprocessors Selection Notes

Select this component when a cost-effective solution for modern automotive radios is required. It is suitable for systems needing both high-performance audio DSP capabilities and real-time vehicle communication handling. Consider the integrated memory and peripherals if minimizing external components is a priority. Evaluate the software package compatibility for fast system implementation using either real-time OS or Linux.

Microprocessors Part Context

The STA1085 belongs to the Accordo2 family of microprocessors from STMicroelectronics. This family targets the automotive infotainment sector, providing a unified platform for audio processing and vehicle control. It replaces older single-core solutions by integrating DSP functions directly into the MCU, reducing board space and complexity in car radio designs.

Microprocessors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided reference material. Consult STMicroelectronics technical support for direct replacements within the Accordo2 family or compatible automotive microprocessors.