SPEAR310-2

The SPEAR310-2 is an ARM926EJ-S based microprocessor IC delivering a single 32-bit core at 333 MHz in a 289-LFBGA package. Designed for embedded systems, it integrates key connectivity and memory controller features for industrial applications.

With 3.3 V I/O, LPDDR and DDR2 memory controller support, multiple USB 2.0 interfaces, 10/100Mbps Ethernet and cryptography capabilities, the device targets embedded designs that require connectivity, memory flexibility and industrial temperature operation.

Key Features

• Core  ARM926EJ-S single-core, 32-bit processor running at 333 MHz for deterministic embedded processing.
• Memory  Integrated controllers for LPDDR and DDR2 memory to support a range of external memory configurations.
• Interfaces  Built-in 10/100Mbps Ethernet (10/100Mbps (5)), multiple USB 2.0 ports (USB 2.0 (3)), and additional HDLC/SDLC interfaces for serial link and network protocols.
• Security  On-chip cryptography features to support secure data handling in embedded applications.
• Power and I/O  3.3 V I/O voltage for compatibility with common peripheral voltage domains.
• Package and Mounting  289-LFBGA supplier device package, surface mount for compact board-level integration.
• Grade and Temperature Range  Industrial grade with an operating temperature range of −40 °C to 85 °C for deployment in temperature-demanding environments.
• Graphics  No graphics acceleration, focusing the device on control, connectivity and processing tasks.

Typical Applications

• Industrial Control  Utilizes the ARM926EJ-S core, industrial temperature range and cryptography features for reliable control and secure data handling in factory and process automation systems.
• Embedded Networking  10/100Mbps Ethernet and HDLC/SDLC interfaces enable implementation in networked embedded gateways, protocol converters and remote I/O modules.
• Peripheral and USB-Connected Devices  Multiple USB 2.0 interfaces and 3.3 V I/O make the device suitable for embedded peripherals, data acquisition modules and communication endpoints.
• Memory-Driven Embedded Systems  LPDDR and DDR2 controller support helps in designs that require external memory for buffering, logging or runtime data storage.

Unique Advantages

• Integrated Connectivity  On-chip Ethernet (10/100Mbps (5)), USB 2.0 (USB 2.0 (3)) and HDLC/SDLC reduce external interface components and simplify board design.
• Flexible Memory Support  Native LPDDR and DDR2 controllers provide options for memory performance and cost trade-offs.
• Industrial Readiness  Industrial-grade operation from −40 °C to 85 °C supports deployment in harsh temperature environments.
• Security Capabilities  Built-in cryptography features help protect data and support secure embedded communication.
• Compact Surface-Mount Package  The 289-LFBGA package enables dense board layouts while maintaining connectivity and I/O capability.
• Simplified Power Domain  3.3 V I/O simplifies interfacing with common industrial peripherals.

Why Choose SPEAR310-2?

The SPEAR310-2 positions itself as a capable embedded microprocessor option combining a 333 MHz ARM926EJ-S core with integrated memory controllers, multiple connectivity interfaces and hardware cryptography in an industrial-grade package. Its feature set is suited to designers seeking a compact, interface-rich MPU for networking, control and peripheral-focused embedded systems.

Manufactured by STMicroelectronics and delivered in a 289-LFBGA surface-mount package, the SPEAR310-2 provides a balance of processing, connectivity and environmental robustness for long-term embedded deployments.

Request a quote or contact sales to discuss availability, pricing and how the SPEAR310-2 can fit into your next embedded design.