Delfina DSP is a multifeatured audio board containing a 40MHz Motorola 56002 Digital Signal Processor. The board is capable of 16bit stereo digitizing and playback at 48kHz, and it has 192kB of dual ported SRAM memory, high speed RS232 and Centronics interfaces.

Features:

• - 40 MHz Motorola DSP56002 processor
  • 20 MIPS
  • 24 bit data bus
  • 56 bit accumulators
  • Most instructions executed in one cycle

• 192kB (64kWords) SRAM
  • Dual ported (addressable from Amiga)
  • Zero-waitstate (15ns)
  • Expandable to 384kB (128kWords)

• Stereo multimedia codec (CS4215)
  • Sample frequencies upto 48 kHz
  • 16 or 8 bit linear, u-law or A-law audio data coding
  • Programmable gain and attenuation
  • Microphone and line level inputs
  • Headphone and line level outputs
  • On-chip anti-aliasing/smoothing filters

• High-speed RS232 interface

• High-speed bidirectional Centronics interface

• Connects to Zorro-II slot

• Fully programmable using the supplied software

• Software upgrades available for free, ftp at ftp://spot.lnet.lut.fi/pub/delfina/

Software :

DELFINA software includes the following:

• delfina.library
  • For user's own DSP software
  • Several DSP programs can be configured as interrupts
  • Audio playback and recording possible

• delfser.device (not released yet)
  • serial.device compatible
  • Minimal CPU usage on Amiga

• delfpar.device (not released yet)
  • parallel.device compatible
  • Minimal CPU usage on Amiga

• DelfPrefs
  • Utility to adjust Delfina's parameters
  • Uses MUI (Magic User Interface)

• A56
  • DSP56002 assembler
  • Allows you to write your own DSP programs

• AHI (Audio Hardware Interface) driver (beta)
  • Play&record multiple channel audio
  • AHI standard allows you to write software that works on other audio boards too.

• Many example programs including source code!

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