SAA2501

INTEGRATED CIRCUITS DATA SHEET SAA2501 Digital Audio Broadcast (DAB) decoder Preliminary specification File under Integrated Circuits, IC01 January 1995 Philips Semiconductors Philips Semiconductors Preliminary specification Digital Audio Broadcast (DAB) decoder CONTENTS FEATURES 2 3 4 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 7.14 7.15 7.16 7.17 7.17.1 7.17.2 7.17.3 7.17.4 7.18 7.19 7.20 7.20.1 7.20.2 7.20.3 7.20.4 7.20.5 7.20.6 7.20.6.1 7.20.7 7.20.8 7.20.9 7.20.10 7.20.11 7.20.12 APPLICATION GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Coding system Basic functionality SAA2501 clocks Crystal oscillator Clock frequencies when using the slave input Clock frequencies when using the master input Target applications; applying the SAA2501 with 2 ISO/MPEG sources Buffered clock outputs Functionality issues Synchronization to input data bitstreams Master input bit rate selection Sample rate selection Handling of errors in the coded input data sub-band filter signals Baseband audio processing Decoding control signals Coded data interfaces The coded data master input interface The coded data slave input interface Slave input transfer speed of first frame Slave input transfer speed of subsequent frames The sub-band filter interface The baseband output interface The L3 control interface L3 signals L3 transfer types L3 interface initialization at an SAA2501 device reset L3 interface control SAA2501 status Data items Gener...