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SM5902AF
NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller
Overview
The SM5902 is a compression and non compression type shock-proof memory controller LSI for compact disc players. The compression level can be set in 4 levels, and external memory can be selected from 4 options (1M, 4M, 4M × 2, 16M). Digital attenuator, soft mute and related functions are also incorporated. It operates from a 2.4 to 5.5 V wide supply voltage range.
Features
- 2-channel processing - Serial data input ⋅ 2s complement, 16-bit/MSB first, right-justified format ⋅ Wide capture function (up to 3 × speed input rate) - System clock input ⋅ 384fs (16.