The dSPACE DS1104 is a real-time research and development controller board engineered for rapid control prototyping, algorithm development, and real-time simulation. Built around a 250 MHz MPC8240 processor with 64-bit floating-point capability, it combines a master processor with a dedicated 16-bit fixed-point DSP subsystem to deliver deterministic performance across drives, robotics, aerospace, and educational applications.
## Technical Specifications
**Processor Core**
• Main processor: MPC8240 with PPC603e core, 250 MHz clock speed
• On-chip cache: 2 × 16 KB
• Global memory: 32 MB SDRAM, 8 MB Flash, 128 KB CMOS SRAM (DS1104PCIE variant)
• Slave DSP: Texas Instruments TMS320F240, 20 MHz clock rate
• DSP memory: 64 Kx16 external code memory, 28 Kx16 external data memory
**I/O Architecture**
• Analog inputs: One 16-bit ADC (4 multiplexed channels) + four 12-bit parallel ADCs
• Analog outputs: Eight 16-bit DAC channels (DACH1-DACH8), ±10 V range, ±5 mA output current, 10 μs max settling time
• Digital I/O: 20 configurable pins (I00-I019), TTL levels, ±5 mA output current
• Encoder interface: Two independent channels, 24-bit position counters, up to 1.65 MHz input frequency (6.6 MHz fourfold pulse count), 5 V/0.5 A sensor supply
• Serial UART: Single channel with FIFO, PLL-driven, RS232/RS422/RS485 compatible
**Timing & Control**
• Four general-purpose timers with 80 ns resolution
• 32-bit software-reloadable sampling rate timer
## Key Features
• PCI/PCIe host interface for flexible integration
• 16-bit fixed-point DSP co-processor for dedicated signal processing
• Software-programmable encoder input (single-ended TTL or differential RS422)
• Individually configurable digital I/O direction per bit
## Typical Applications
• Rapid control prototyping for motor drives and power electronics
• Real-time robotic control system development
• Aerospace control algorithm validation
• Educational research in control systems
## Compatibility & Integration
Connects via standard PCI slot or optional PCIe interface to host development systems. RS232/RS422/RS485 serial support enables field communication and diagnostics.
