STA1085EOA
| Part Description |
ARM® Cortex®-R4 Microprocessor IC - 1 Core, 32-Bit 450MHz 361-LFBGA (16x16) |
|---|---|
| Quantity | 694 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 STA1085EOA – IC MPU 450MHZ 361LFBGA
The STA1085EOA is an ARM® Cortex®-R4 based microprocessor IC featuring a single 32‑bit core running at 450 MHz in a 361‑LFBGA (16×16) package. It integrates display controllers, a DSP co‑processor, memory interface support and vehicle-facing communications to address telematics and embedded system needs.
Designed for telematics and automotive embedded applications, the device combines real‑time processing performance, peripheral integration and automotive qualification to provide a compact, runnable processing node for systems requiring tactile displays, network interfaces and SDRAM memory support.
Key Features
- Core and Performance ARM® Cortex®-R4 single core, 32‑bit, running at 450 MHz for real‑time embedded processing.
- Co‑processor Includes an ARM® Cortex®-M3 listed as a DSP co‑processor to complement main‑core processing tasks.
- Memory Support SDRAM memory controller support for external system memory interfacing.
- Display Subsystem Integrated LCD and touchscreen display interface controllers plus graphics acceleration to support HMI and display tasks.
- Connectivity On‑chip USB 2.0 (1) and CAN interfaces for peripheral and vehicle network connectivity.
- Power and IO 3.3 V I/O voltage for standard peripheral interfacing.
- Package and Mounting 361‑LFBGA (16×16) supplier device package; surface‑mount mounting type.
- Automotive Qualification and Temperature Automotive grade with AEC‑Q100 qualification and an operating temperature range of –40 °C to 85 °C.
- Compliance RoHS compliant.
Typical Applications
- Telematics control units Processing and I/O for telematics modules where a 450 MHz Cortex‑R4 core and vehicle interfaces are required.
- In‑vehicle HMI and displays Drives LCD and touchscreen interfaces with onboard graphics acceleration for human‑machine interfaces.
- Vehicle networking and gateway nodes Supports CAN and USB 2.0 connectivity for integration into vehicle networks and peripheral connectivity.
- Automotive embedded controllers AEC‑Q100 qualified device suitable for automotive embedded control functions within the specified temperature range.
Unique Advantages
- Real‑time processing capability: 450 MHz ARM® Cortex®-R4 core provides deterministic, 32‑bit processing for time‑sensitive embedded workloads.
- Complementary DSP co‑processor: ARM® Cortex®-M3 co‑processor available to offload auxiliary tasks and assist mixed workloads.
- Integrated display and graphics support: On‑chip LCD/touchscreen controllers with graphics acceleration simplify HMI subsystem design.
- Vehicle‑oriented interfaces: Built‑in CAN and USB 2.0 connectivity enable direct interfacing with common automotive and peripheral networks.
- Automotive qualification: AEC‑Q100 qualification and a –40 °C to 85 °C operating range provide design confidence for automotive deployments.
- Compact BGA package: 361‑LFBGA (16×16) surface‑mount package supports high‑density PCB designs.
Why Choose STA1085EOA?
The STA1085EOA positions itself as a focused, automotive‑grade microprocessor solution combining a 450 MHz ARM® Cortex®-R4 core with a Cortex®-M3 co‑processor, display subsystem, SDRAM controller and vehicle interfaces in a single 361‑LFBGA package. Its AEC‑Q100 qualification and wide operating temperature range make it suitable for telematics and other automotive embedded systems that require integrated display and network capabilities.
Engineers specifying the STA1085EOA benefit from STMicroelectronics' established semiconductor offering and a compact, integrated feature set tailored to telematics and automotive embedded application requirements.
Request a quote or submit an inquiry to start sourcing STA1085EOA for your next telematics or automotive embedded design.

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