STA1085EOA3TR

The STA1085EOA3TR is an ARM® Cortex®-R4 microprocessor IC in a 361-LFBGA (16×16) package featuring two 32-bit cores running at 450 MHz. It belongs to the STA1085 telematics series and integrates processing, peripheral controllers and interfaces for embedded automotive and telematics systems.

Designed for automotive-grade applications, this device combines a Cortex-R4 main processor with an ARM® Cortex®-M3 coprocessor and dedicated controllers to deliver balanced compute and system integration for in-vehicle and telematics designs.

Key Features

• Core  Dual ARM® Cortex®-R4 architecture; two 32-bit cores at 450 MHz for real-time embedded processing.
• Co-processor  Integrated ARM® Cortex®-M3 coprocessor to offload auxiliary tasks and support mixed workloads.
• Memory & Display  SDRAM controller and LCD display interface controller included to support system memory and display subsystems.
• High‑Speed USB  Two USB 2.0 ports provided for host or device connectivity and external peripheral interfacing.
• Vehicle Bus  CANbus interface for in-vehicle communications and networked system integration.
• Security & Debug  JTAG support for hardware debug and development workflows.
• Power & IO  3.3 V I/O voltage compatibility for common automotive and embedded interfaces.
• Package & Mounting  361-LFBGA (16×16) package, surface-mount mounting type for compact board integration.
• Temperature & Qualification  Automotive-grade device qualified to AEC-Q100 with an operating temperature range of −40 °C to 85 °C.
• Compliance  RoHS compliant.

Typical Applications

• Telematics units  Processing and I/O integration for vehicle telematics modules that require real-time control and communication.
• Automotive infotainment  Drive system logic, peripheral interfacing and display control using the integrated LCD controller and USB ports.
• In-vehicle networking  CANbus connectivity and dual-core processing for gateway and communication functions within vehicle networks.
• Embedded control systems  Real-time processing tasks and auxiliary control offload using the Cortex-R4 cores and Cortex-M3 coprocessor.

Unique Advantages

• Dual high-performance cores: Two ARM® Cortex®-R4 32-bit cores at 450 MHz provide real-time processing capability for demanding embedded tasks.
• Integrated coprocessor: ARM® Cortex®-M3 coprocessor enables separation of control and background tasks without adding external processors.
• Rich peripheral set: Built-in USB 2.0 (×2), CANbus, LCD controller and SDRAM controller consolidate system functions and simplify integration.
• Automotive qualification: AEC-Q100 qualification and an operating range of −40 °C to 85 °C support automotive-grade deployments.
• Development and debug support: JTAG debug interface facilitates bring-up and troubleshooting during development.
• Compact surface-mount package: 361-LFBGA (16×16) package enables high-density board designs.

Why Choose STA1085EOA3TR?

The STA1085EOA3TR delivers a balanced combination of real-time processing performance, peripheral integration and automotive-grade qualification for telematics and in-vehicle systems. Its dual Cortex-R4 cores, Cortex-M3 coprocessor and on-chip controllers for SDRAM, LCD, USB and CANbus make it suitable for designs that require integrated connectivity and deterministic processing.

This device is well suited to engineering teams building scalable automotive and telematics solutions that need a compact, surface-mount package, industry-standard debug support and compliance to AEC-Q100 and RoHS requirements.

Request a quote or submit an inquiry to receive pricing and availability information for the STA1085EOA3TR. Our team can provide lead time and ordering details to support your design cycle.