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DS1005 PPC Board

Computing power and scalability

The DS1005 processor board provides medium computation power combined with very fast I/O access. The single-slot board can also be used for in-vehicle applications and allows autonomous booting from internal flash memory.

At A Glance

Application Areas

The DS1005 PPC Board is one of dSPACE’s processor boards that form the core of dSPACE’s modular hardware. Processor boards provide the computing power for your real-time system and also function as interfaces to the I/O boards and the host PC. The DS1005 is the board of choice for applications with high sampling rates and a lot of I/O capacity. High processing power plus fast access to I/O hardware with minimum latencies make dSPACE processor boards considerably faster than solutions based on commonly available PCs.

Key Benefits

The DS1005 features a PowerPC 750GX processor running at 1 GHz, so it has ample power for the vast majority of cases. If you need even more processing power, the DS1005 PPC Board meets all multiprocessing requirements. The DS1005 is directly connectable to all dSPACE I/O boards via PHS and PHS++ bus. The PHS++ bus standard is compatible with the standard PHS bus, but allows faster communication with I/O boards supporting PHS++ bus access, such as the DS2211.

Multiprocessor Setup

The processor board can be connected to other DS1005 boards via an additional optical interface (DS910 Gigalink Module) to create DS1005 multiprocessor systems of all sizes, so that your modular hardware can be tailored exactly to your requirements. Synchronization between the boards is ensured, since interrupts can be dispatched to other DS1005 boards via hardware, with minimal latencies.

Compatibility with Earlier Versions

The DS1005 (1 GHz) is compatible with all of its earlier versions. Programs or models compiled for the older versions run on the DS1005 (1 GHz) without modifications. Multiprocessor systems can mix old and new DS1005 boards without impairing performance.

Technical Details




  • IBM PowerPC 750GX, 1 GHz
  • Up to 4 instructions in parallel
  • 32 KB L1 data cache
  • 32 KB L1 instruction cache


  • 1 MB L2 cache
  • Cache running at processor clock
  • 128 MB SDRAM global main memory for host data exchange and application
  • 16 MB flash memory for boot firmware and for user-specific applications, with flight recorder functionality for data recording
  • Full host access to global memory


  • 2 general-purpose timers
  • Synchronous time base unit (for multiprocessor systems)

Interrupt controller

  • Interrupt controller with up to 18 interrupt sources


Serial interface

  • RS232 interface with standard UART allowing transfer rates of up to 115.2 Kbaud


Connection to I/O boards

  • PHS++ bus interface
  • 32-bit I/O bus for modular I/O configuration
  • Peak transfer rate 20 MB/s, up to 30 MB/s for new I/O boards
  • Up to 64 PHS bus interrupts

Host interface


  • One full-size 16-bit ISA slot required
  • Interface via eight 16-bit I/O ports (ISA bus)
  • Bidirectional interrupt line (PPC/host PC)
  • Plug & play support

Multiprocessor systems


  • Building multiprocessor systems with further DS1005 PPC Boards
  • Up to 20 DS1005 PPC Boards
  • High-speed link via one DS910 Gigalink Module on each DS1005
  • Cable length of up to 100 m

Physical characteristics

Physical size

  • 340 x 125 x 15 mm (13.4 x 4.9 x 0.59 in)


Ambient temperature

  • 0 … 55 ºC (32 … 131 ºF)



  • Passive cooling


Power supply

  • +5 V ±5%, 4 A (without DS910 Gigalink Module)
  • +5 V ±5%, 5.2 A (with DS910 Gigalink Module)