STA1090HOA3

Microprocessors Overview

The STA1090HOA3 is an Accordo2 family dual-core microprocessor IC manufactured by STMicroelectronics. It integrates a 32-bit ARM Cortex-R4 core running at up to 600 MHz and an ARM Cortex-M3 core. The device features 32 KB instruction cache, 32 KB data cache, and a 32-bit watchdog timer on the R4 core. It includes a 16-channel DMA controller and embedded SRAM with integrated DSP capabilities. The component is housed in a 361-LFBGA package measuring 16x16 mm.

Microprocessors Feature Summary

• Dual-core architecture combining high-performance ARM Cortex-R4 and efficient ARM Cortex-M3 processors
• Integrated digital signal processing (DSP) capabilities within embedded SRAM
• Hardware acceleration via a 16-channel direct memory access controller
• On-chip memory organization including L1 instruction and data caches

Microprocessors Applications

• Audio digital signal processing
• Real-time control systems requiring deterministic response
• Embedded multimedia processing applications

Microprocessors Procurement Notes

Verify the complete part number including the HOA3 suffix to ensure correct package type and temperature range. Confirm moisture sensitivity level requirements for surface-mount assembly processes. Check official STMicroelectronics documentation for specific pinout configurations and electrical characteristics relevant to the design implementation.

Microprocessors Selection Notes

Select this component when a dual-core solution is required to separate real-time control tasks from complex signal processing workloads. The integration of DSP functions reduces external component count. Ensure the design accommodates the 361-ball BGA footprint and thermal dissipation requirements associated with the 600 MHz operating frequency.

Microprocessors Part Context

This processor belongs to the Accordo2 family, designed for applications demanding high performance and low power consumption. The combination of R4 and M3 cores allows for flexible partitioning of system tasks. It serves as a specialized microprocessor for audio and control domains within STMicroelectronics' embedded processing portfolio.

Microprocessors Replacement Considerations

Consult STMicroelectronics official substitution lists for compatible alternatives. Verify functional equivalence regarding core architecture, clock speeds, and peripheral availability before replacing.