The Emerson/Artesyn Technologies BajaPPC-750 is a PowerPC-based single-board computer engineered for compute and I/O intensive embedded applications. Built around a 375 MHz PowerPC 750 processor with superscalar architecture, it delivers capable performance for industrial control, networking, and communication systems. The board integrates 64 MB of on-board RAM, 512 Kbytes of secondary cache, and supports up to 256 MB of additional DRAM, providing sufficient memory for demanding workloads.
Technical Specifications
Processor: PowerPC 750 at 375 MHz with superscalar execution, featuring floating-point, branch processing, system register, and integer units. L2 cache support with external synchronous SRAM accessible via dedicated port.
Memory: 64 MB on-board RAM; 512 Kbytes secondary cache; up to 256 MB DRAM supported.
VMEbus Interface: VME64 with A32/A24/A16 address modes and D64(MBLT)/D32/D16/D08 data transfer modes. Master and slave operation supported. Integral write-posting FIFOs. Programmable DMA controller with linked list support. Transfer rates: 60–70 MB/sec. Full system controller functionality.
PMC Expansion: Two 32-bit expansion interfaces accommodating either two single-wide or one double-wide PMC module. I/O routable to front panel or P2 connector.
Communications: On-card Fast Ethernet interface plus two serial ports.
– Key Features
• Superscalar PowerPC architecture with multiple execution units
• Write-posting FIFOs maximize VMEbus bandwidth utilization
• Linked-list DMA for efficient data transfers
• Flexible PMC slot configuration for custom and third-party cards
• Fast Ethernet and dual serial connectivity
– Typical Applications
Telecom switching, Advanced Intelligent Network switching, network control, LAN-to-WAN bridging, video-on-demand systems, and communication switch control.
– Compatibility & Integration
Compatible with standard and custom switch interfaces via PMC slots. Recommended for deployment in 1101.1-compatible enclosures with injector/extractor handles.
