SM5903BF
SM5903BF is compression and non compression type shock-proof memory controller manufactured by Nippon Precision Circuits Inc.
NIPPON PRECISION CIRCUITS INC. pression and non pression type shock-proof memory controller
Overview
The SM5903BF is a pression and non pression type shock-proof memory controller LSI for pact disc players. The pression 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 plement, 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 pression method ⋅ 4-level pression mode...
