SPEAR310-2 is part of STMicroelectronics’ SPEAR® family of integrated processors and is specifically designed to deliver high computing performance, rich connectivity and low power consumption, making it suitable for a wide range of industrial control applications, networks and communication gateways.This device combines an ARM-based architecture, flexible memory interfaces, and hardware acceleration modules to meet the stringent requirements of original equipment manufacturers (OEMs) and system integrators.
Technical Specifications – SPEAR310-2
Core architecture Dual-core 32-bit ARM926EJ-S RISC processor
Processor clock speed Up to 333 MHz
L1 cache memory 16 kB instruction cache + 16 kB data cache
Memory support DDR2/DDR1 and SDRAM and NOR/NAND flash and SPI flash
Ethernet interface Dual 10/100 Ethernet MAC controller
PCI interface 32-bit PCI v2.3 host/target
USB USB 2.0 host and OTG, with integrated PHY
Serial communication UART, I²C, SPI, CAN
GPIO Over 100 configurable GPIO pins
Timer/PWM Multiple 32-bit timers, watchdog
Security features AES, 3DES, SHA, secure boot support
Package PBGA package, industrial temperature
Operating temperature -40 °C to +85 °C
Key features and benefits
- Dual ARM926EJ-S core – efficient processing of multi-threaded applications.
- Broad connectivity – suitable for network devices with dual Ethernet and PCI support.
- Industrial reliability – wide temperature range suitable for demanding environments.
- Device security – integrated encryption module for secure communication.
- Flexible memory options – support for volatile and non-volatile memory for increased system flexibility.
Areas of application
SPEAR310-2 is specially designed for embedded applications that require high performance and high connectivity:
- Industrial control units – programmable logic controllers (PLCs), SCADA systems, and factory control units.
- Network gateways – VPN routers, industrial Ethernet converters, and communication hubs.
- Smart energy systems – smart meters and control units for substations and energy gateways.
- Point-of-sale (POS) devices – transaction processing supported by hardware encryption.
- Transportation systems – communication control units for rail, marine, and automotive transportation.
Unique advantages of SPEAR310-2
Compared to similar integrated processors, SPEAR310-2 offers:
- Dual-core efficiency supports multi-tasking
- Rich peripheral integration reduces material costs
- Expandable within the SPEAR® platform and supports design reuse
Related products from DRex Electronics
At DRex Electronics, we offer a comprehensive range of integrated processors, including:
- The STM32MP153 series, suitable for human-machine interface (HMI) and Internet of Things (IoT) applications
- The STM32MP157 series, supporting multimedia functions and advanced camera
- SPEAR320, suitable for high-performance networking applications
External resources
- STMicroelectronics SPEAR310 product page – official data manual and design resources
- ARM926EJ-S processor overview – technical details about the core architecture
Summary
SPEAR310-2 is a reliable, multifunctional processor that combines high performance and integrated flexibility, filling the gap between high performance and integrated flexibility, making it the ideal choice for industrial networks, automation systems, and secure communications. The dual-core architecture and industrial features ensure stability and long-term scalability for OEM customers.
