SM5907AF NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller Overview The SM5907AF 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 (4M, 4M× 2, 16M, 16M× 2).
It operates from a 2.
4 to 3.
6 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.
9344 MHz) - Shock-proof memory controller ⋅ ADPCM compression method 4-bit compression mode...

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