SAA2022

INTEGRATED CIRCUITS DATA SHEET SAA2022 Tape formatting and error correction for the DCC system Product specification Supersedes data of February 1993 File under Integrated Circuits, Miscellaneous February 1994 Philips Semiconductors Philips Semiconductors Product specification Tape formatting and error correction for the DCC system FEATURES Integrated error correction encoder/decoder function with Digital Compact Cassette (DCC) optimized algorithms Control of capstan servo during recording and after recording by microcontroller Frequency and phase regulation of capstan servo during playback Choice of two Dynamic Random Access Memory (DRAM) types operating in page mode Scratch pad RAM area available to microcontroller in system DRAM Low power standby mode I2S interface Microcontroller interface for high-speed transfer burst rates up to 170 kbytes per second SYSINFO and AUXILIARY data flags on microcontroller interface Protection against invalid AUXILIARY data +4 V operating voltage capability. ORDERING INFORMATION EXTENDED TYPE NUMBER SAA2022GP Note 1. PACKAGE PINS 64 PIN POSITION QFP (1) SAA2022 GENERAL DESCRIPTION Performing the tape formatting and error correction functions for DCC applications, the SAA2022 can be used in conjunction with the PASC (SAA2002/SAA2012), tape equalization (SAA2032), read amplifier (TDA1317 or TDA1318) and write amplifier (TDA1316 or TDA1319) circuits to implement a full signal processing system. MATERIAL plastic COD...