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.

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.