STA1085EUA3

The STA1085EUA3 is an ARM® Cortex®-R4 based microprocessor IC featuring two 32‑bit cores running at 450 MHz in a 361‑LFBGA (16x16) package. It is part of the STA1085 telematics series and targets embedded designs requiring integrated peripheral support and automotive‑grade qualification.

With on‑chip support for SDRAM controllers, LCD display interfaces, dual USB 2.0 ports and CANbus, the device is positioned for telematics and automotive embedded applications that demand integration, deterministic processing and domain‑grade qualification.

Key Features

• Core and Processing Dual ARM® Cortex®‑R4 32‑bit cores operating at 450 MHz provide deterministic processing for real‑time and control tasks.
• Co‑processor Integrated ARM® Cortex®‑M3 co‑processor for offloaded DSP or auxiliary control functions.
• Memory Interfaces SDRAM controller support simplifies external memory interfacing for system and application data.
• Display and USB LCD display interface support plus two USB 2.0 ports enable user‑interface and high‑speed peripheral connectivity.
• Vehicle Network CANbus interface support for in‑vehicle network communication and gateway functions.
• Power and I/O 3.3 V I/O voltage for compatibility with common embedded peripherals and transceivers.
• Package and Mounting 361‑LFBGA (16x16) surface‑mount package for compact board integration.
• Automotive Qualification Automotive grade with AEC‑Q100 qualification, supporting use in automotive environments.
• Operating Range Rated for industrial/automotive operating temperatures from −40 °C to 85 °C.
• Environmental Compliance RoHS compliant.

Typical Applications

• Telematics Control Units Onboard processing and connectivity for telematics systems leveraging dual cores and CANbus integration.
• Automotive Infotainment LCD interface and dual USB 2.0 ports for user interface control and multimedia peripheral support.
• Vehicle Gateways CANbus connectivity and deterministic Cortex‑R4 processing for gateway and message routing tasks.
• Embedded Data Logging USB connectivity and SDRAM interface for high‑speed data capture and buffering in embedded systems.

Unique Advantages

• Dual Real‑Time Cores: Two 32‑bit Cortex‑R4 cores at 450 MHz deliver segregated processing paths for control and application tasks, improving determinism.
• Integrated Peripheral Set: SDRAM controller, LCD interface, dual USB 2.0 and CANbus reduce external component count and simplify system design.
• Automotive‑Grade Qualification: AEC‑Q100 qualification signals suitability for automotive design processes and higher reliability requirements.
• Standard 3.3 V I/O: 3.3 V I/O compatibility eases integration with common sensors, transceivers and peripheral devices.
• Compact Surface‑Mount Package: 361‑LFBGA (16x16) enables dense PCB layouts while supporting required I/O and interfaces.
• Wide Operating Temperature: Rated from −40 °C to 85 °C for deployment across typical automotive and industrial ambient conditions.

Why Choose STA1085EUA3?

The STA1085EUA3 combines dual ARM® Cortex®‑R4 processing with an ARM® Cortex®‑M3 co‑processor and a broad set of integrated interfaces to deliver a highly integrated solution for telematics and automotive embedded designs. Its on‑chip SDRAM support, LCD interface, dual USB 2.0 ports and CANbus reduce BOM complexity while supporting common in‑vehicle functions.

With AEC‑Q100 qualification, RoHS compliance, and an industrial temperature rating, the STA1085EUA3 is suited to designs that require robust operation, integration and a straightforward upgrade path within the STA1085 telematics series.

Request a quote or contact our sales team to discuss availability, pricing and how the STA1085EUA3 can fit your next embedded or automotive telematics design.