STA1085EOATR
| Part Description |
ARM® Cortex®-R4 Microprocessor IC - 1 Core, 32-Bit 450MHz 361-LFBGA (16x16) |
|---|---|
| Quantity | 702 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | STA1085 (Telematics) |
| Manufacturer | STMicroelectronics |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 30 Weeks |
| Datasheet |
Specifications & Environmental
| Co-Processors/DSP | ARM® Cortex®-M3 | Core Processor | ARM® Cortex®-R4 | Device Package | 361-LFBGA (16x16) | ||
|---|---|---|---|---|---|---|---|
| Display & Interface Controllers | LCD, Touchscreen | ECCN | PENDING ECCN | Grade | Automotive | ||
| Graphics Acceleration | Yes | HTS Code | 0000.00.0000 | Moisture Sensitivity Level | 3 (168 Hours) | ||
| Mounting Method | Surface Mount | Mounting Type | Surface Mount | Number of Cores/Bus Width | 1 Core, 32-Bit | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Package / Case | 361-LFBGA | RAM Controllers | SDRAM | ||
| REACH Compliance | REACH Unaffected | RoHS Compliance | ROHS3 Compliant | Speed | 450MHz | ||
| Supplier Device Package | 361-LFBGA (16×16) | USB | USB 2.0 (1) | Voltage – I/O | 3.3V |
Overview of STA1085EOATR – IC MPU 450MHZ 361LFBGA
The STA1085EOATR is an ARM® Cortex®-R4 microprocessor IC featuring a single 32-bit core clocked at 450 MHz, designed for telematics and embedded applications. It integrates display controllers, peripheral interfaces and memory controllers to support intelligent, connected systems.
Manufactured by STMicroelectronics and qualified to AEC-Q100, this automotive-grade device combines real-time processing capability with a compact 361-LFBGA (16×16) surface-mount package and an extended operating range for robust embedded deployments.
Key Features
- Core & Performance Single ARM® Cortex®-R4 32-bit core running at 450 MHz for real-time processing and control tasks.
- Co-processor Integrated ARM® Cortex®-M3 co-processor for auxiliary processing and offloading control functions.
- Memory and Display SDRAM controller support and integrated LCD and touchscreen display interface controllers to drive user interfaces and manage system memory.
- Interfaces & Connectivity Built-in USB 2.0 (1) and CAN interfaces provide peripheral connectivity and vehicle network integration.
- Graphics Acceleration On-chip graphics acceleration capability to assist with display rendering and HMI tasks.
- Power and IO 3.3 V I/O voltage to align with common embedded peripheral levels.
- Package & Assembly 361-LFBGA (16×16) supplier device package, surface-mount mounting type for compact board integration.
- Automotive Qualification & Temperature Range AEC-Q100 qualification and operating temperature from −40 °C to 85 °C for automotive-grade reliability and environmental tolerance.
- RoHS Compliance RoHS-compliant manufacturing.
Typical Applications
- Automotive Telematics Real-time processing and connectivity for telematics control units leveraging CAN and USB interfaces.
- In-vehicle Infotainment LCD and touchscreen controller support plus graphics acceleration for user interfaces and displays.
- Human–Machine Interfaces (HMI) Drive touchscreens and graphical displays with dedicated display controllers and acceleration.
- Embedded Control Systems Single-core Cortex-R4 performance and an M3 co-processor for mixed control and management tasks in embedded devices.
Unique Advantages
- Automotive-Grade Qualification: AEC-Q100 qualification and −40 °C to 85 °C operating range enable deployment in automotive environments.
- Balanced Processing Architecture: Cortex-R4 main core for real-time tasks with an integrated Cortex-M3 co-processor to offload auxiliary functions.
- Integrated Display and Graphics: On-chip LCD/touchscreen controllers and graphics acceleration reduce external components for HMI designs.
- Built-in Vehicle and Peripheral Interfaces: Native CAN and USB 2.0 (1) interfaces simplify connectivity to vehicle networks and peripherals.
- Compact, Assembly-Ready Package: 361-LFBGA (16×16) surface-mount package supports high-density PCB integration.
- Standards-Conscious Manufacturing: RoHS compliance supports regulatory and environmental requirements.
Why Choose STA1085EOATR?
The STA1085EOATR positions itself as a compact, automotive-qualified microprocessor optimized for telematics and embedded HMI applications. Its 450 MHz ARM® Cortex®-R4 core combined with an ARM® Cortex®-M3 co-processor, integrated display and memory controllers, and vehicle-grade interfaces provide a unified platform for real-time control, connectivity and user interface tasks.
Ideal for designers targeting telematics, in-vehicle infotainment and embedded control systems that require automotive qualification, integrated display support, and a compact package, the STA1085EOATR offers a balance of performance, integration and environmental robustness from a recognized semiconductor manufacturer.
Request a quote or submit a purchasing inquiry today to evaluate STA1085EOATR for your telematics or embedded HMI design needs.

Date Founded: 1987
Headquarters: Plan-les-Ouates, Geneva, Switzerland
Employees: 50,000+
Revenue: $17.24 Billion
Certifications and Memberships: ISO9001:2015, ISO14001:2015, ISO45001:2018, IATF16949:2016, ISO50001:2018