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SM5904CF
NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller
Overview
The SM5904CF 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 4M DRAM can be connected to expand the memory to 4M bits. Digital attenuator, soft mute and related functions are also incorporated. It operates from a 2.5 to 3.3 V 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.