SM5903CF
SM5903CF is compression and non compression type anti-shock memory controller manufactured by Nippon Precision Circuits Inc.
NIPPON PRECISION CIRCUITS INC. pression and non pression type anti-shock memory controller
Overview
The SM5903CF is a pression and non pression type anti-shock 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 4.5 to 5.5 V supply voltage range.
Features
- 2-channel processing
- Serial data input ⋅ 2s plement, 16-bit/MSB first, rear-packed format ⋅ Wide capture function pre lim ina
(until triple speed available)
- System clock input ⋅ 384fs (16.9344 MHz)
- Anti-shock memory controller ⋅ ADPCM pression method ⋅ 4-level...