The document describes the features of the TDA7590, including 24-bit, fixed point, 120 MIPS DSP core, large on-board memory, host access to internal RAM through expansion port, 16Mw external RAM, integrated stereo, 18-bit Sigma-DELTA A/D and 20-bit D/A converters, programmable CODEC sample rate, on-board PLL for core clock and converters, external Flash/SRAM memory bank management, I2C and SCI serial interface for external control, 2 enhanced synchronous serial interface (ESSI), JTAG interface, host interface, 144-pin TQFP, 0.50 mm pitch, automotive temperature range (from -40 °C to +85 °C).
The document details the TDA7590, a fully programmable 24-bit digital signal processor (DSP) designed for real-time speech and audio processing tasks such as recognition, synthesis, compression, echo canceling, and MP3 decoding. It features an on-board 128K-word memory and supports up to 16M-words of external RAM.
Key specifications include a 24-bit fixed-point DSP core with 120 MIPS performance, integrated stereo Sigma-Delta A/D and D/A converters, and various serial interfaces including SCI, SAI, ESSI, and JTAG for system control and debugging. The device is available in an automotive-grade TQFP144 package.
| DSP Core Performance | 120 MIPS, 24-bit fixed point |
|---|---|
| On-board Memory | 128K words (24-bit) |
| External RAM Addressable | 16 Mwords |
| A/D Converter Resolution | 24-bit Sigma-DELTA |
| D/A Converter Resolution | 20-bit |
| Maximum Sample Rate | 48 kHz |
| Package Type | TQFP144 (20x20x1.0 exposed pad down) |
| Operating Temperature Range | -40 °C to +85 °C |
Yes, it features a large amount of on-chip memory consisting of 128 Kwords.
The device includes a debug/JTAG interface that permits on-chip emulation of firmware.
Yes, it is specified with an automotive temperature range from -40 °C to +85 °C.