TDA7550R

® TDA7550/R TDA7551 TDA7552 TDA7553 DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS PRODUCT PREVIEW 24-BIT, FIXED POINT, 50 MIPS DSP CORE LARGE ON-BOARD PROGRAM ROM AND DATA RAM (UP TO 16Kw ROM/RAM AND 16Kw RAM) INTEGRATED STEREO A/D AND D/A, 16-BIT SIGMA-DELTA PROGRAMMABLE CODEC SAMPLE RATE FROM 4 TO 48 kHz ON-BOARD PLL FOR CORE CLOCK AND CONVERTERS MANAGEMENT OF EXTERNAL FLASH/SRAM/DRAM MEMORY BANK I2C OR SPI SERIAL INTERFACE FOR EXTERNAL CONTROL 80-PIN TQFP, 0.65 mm PITCH AUTOMOTIVE GRADE (FROM -40° C to +85°C) DESCRIPTION The TDA755X family is a high performances, fully programmable 24-bit, 50 MIPS Digital Signal BLOCK DIAGRAM MULTIPLEXED BUS TQFP80 Processor (DSP), designed to support several speech and audio applications, as Automatic Speech Recognition, Speech Synthesis, Speaker Verification, Echo and Noise Cancellation. Software for these applications is licenced by Lernout & Hauspie and NCTI. It offers an effective solution for this kind of applications because of the A/D and D/A converters and the big amount of memory integrated on chip. I2C/SPI PORT FLASH INTERFACE SAI ROM/RAM RAM 8 FLAGS DSP CORE DAC L ANALOG OUT R L ANALOG IN R ADC PLL D99AU1020A September 1999 This is preliminary information on a new product now in development. Details are subject to change without notice. 1/12 TDA7550R - TDA7550 - TDA7551 - TDA7552 - TDA7553 APPLICATIONS Real time digital speech and audio processing: speech recognition, speech synthesis, speec...