Rev. 1.0 © May 2000, Rodolphe Czuba
Déesse is a DSP + High Quality AUDIO PCI card designed for all PCI computers
It supports the PCI 2.1 protocole at 33 MHz with 3.3V I/O (LVTTL) with 5V tolerance.
It is based on two sub-systems :
- a DSP system based on the MOTOROLA DSP56301
- an AUDIO system based on the TI TLC320AD77C
The DSP56301 is based on the powerful DSP Engine DSP56301 Core capable of executing an instruction on every clock cycle, thus yielding a twofold performance increase as compared to the 56000 Core while maintaining object code compatibility with it.
The TLC320AD77C is a stereo analog-to-digital (A/D) and digital-to-analog (D/A) 24-Bit delta-sigma converter with excellent audio performances of 100dB.
It has a wide range of sampling rates starting from 16 kHz to 96 kHz with 16-, 20-, or 24-Bit input/output data.
DSP56301 at 100 MHz (100 Mips)
8KWords (24Kbytes) of internal memory (X, Y & P)
128 KWords (384KBytes) of SRAM (10ns) as external DSP memory (X,Y & P)
Stereo Audio Sampling at 22.05, 24, 32, 44.1, 48, 64, 88.2 and 96 kHz
Stereo Audio Sampling in 16-, 20-, or 24-Bit formats
High Performance: 100-dB Signal-to-Noise Ratio (SNR) (EIAJ), 100-dB Dynamic Range
Two CINCH for Stereo Audio Input with 0.7 Vrms Input
Two CINCH for Stereo Audio Output with 0.7 Vrms Output
One DSP LINK connector for external connections of hardware such like multi-CODEC, AES-EBU, S/PDIF and Data aquisition Boxes or 19 Racks. The DSP Link furnish several voltages up to 1A and protected by fuse and against the EMI.
32-Bit / 33 MHz PCI 2.1 interface
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