SM5903BF
NIPPON PRECISION CIRCUITS INC.
compression and non compression type shock-proof memory controller
Overview
The SM5903BF 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).
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-level compression mode s...